User Manual - Spectra Services
Contents
1. 99 9 0 2 digital LED 0 1 PID1 2 0 1 0 35x27 14 5 14 40x32x28 40x32x44 8 9 5 40 190 253 50 60 8 103 127 50 60 TW20 20 99 9 0 2 digital LED 0 1 PID1 2 0 1 0 50x30 18 8 26 50x35x32 50x35x49 14 2 5 40 190 253 50 60 8 103 127 50 60 All measurements have been carried out at rated voltage and frequency ambient temperature 20 C operating temperature 70 C Technical changes without prior notification reserved bath fluid water Water Baths Safety installations according to IEC 61010 2 010 Excess temperature protection 105 C fixed value Classification according to DIN 12876 1 class Alarm message optical audible permanent Environmental conditions according to EN 61 010 part 1 Use only indoor Altitude up to 2000 m normal zero Ambient temperature 5 40 C for storage and transportation Air humidity Max rel humidity 80 for temperatures up to 31 C linear decrease down to 50 relative humidity at a temperature of 40 C Max mains fluctuation of 10 are permissible Protection class according to EN 60 529 IP43 The unit corresponds to Class Overvoltage category II Pollution degree 2 Caution The unit is not for use in explosive environment Standards for interference resistance according to EN 61326 1 This unit is an ISM device classified in Group 1 using high frequency for internal purp2. SHALL SELLER BE LIABLE FOR BUYER S MANUFACTURING COSTS LOST PROFITS GOODWILL OR ANY OTHER SPECIAL INDIRECT PUNITIVE INCIDENTAL OR CONSEQUENTIAL DAMAGES TO BUYER OR ANY THIRD PARTY AND ALL SUCH DAMAGES ARE HEREBY DISCLAIMED 6 Assignment Buyer shall not assign any of its rights or obligations hereunder without the prior written approval of Seller provided however that if Buyer is a distributor of Seller the rights and obligations of Buyer under these Warranty Provisions shall inure to the benefit of and be binding upon Buyer s customers who provide the product s proof of purchase to Seller pursuant to the terms set forth herein Seller may assign any or all of its rights or obligations hereunder without Buyer s prior consent 7 Governing Law The Warranty Provisions and all questions relating to their validity interpretation performance and enforcement shall be construed in accordance with and shall be governed by the substantive laws of the Commonwealth of Pennsylvania without regard to its principles of conflicts of law 8 Waiver Any failure of the part of Seller to insist on strict compliance with the Warranty Provisions shall no way constitute a waiver of such right No claim or rights arising out of a breach of the Warranty Provisions by Buyer may be discharged in whole or in part by a waiver of the claim or right unless the waiver is in writing signed by an authorized representative of Seller Seller s waiver or acceptance o
3. Water Baths Filling e Recommended maximum filling level is 25 mm below the tank rim e Minimum filling level approx 1 cm above the perforated stainless steel base plate Note The working filling level depends on size and number of the items fixtures to be placed inside The recommended procedure is to fill the water bath only partially place the items fixtures inside and then correct the filling level adding or removing liquid as required Draining e Press the mains switch to turn the water bath off e TW2 Take the water bath in both hands and pour out the bath liquid into a suitable vessel e TW8 TW12 TW20 Place a suitable collecting bucket or tub underneath the unit for draining the used bath liquid e To drain the liquid open the drainage screw 11 on the side of the water bath e After the liquid has been fully drained securely tighten the drainage screw 11 again There are thermal dangers when opening the bath cover Burn scald hot steam hot parts and surfaces that can be touched gt Do not drain the bath fluid while it is hot gt Check the temperature of the bath fluid prior to draining by switching the unit on for a short moment for example Recommendation Use the water bath cover to keep temperature losses to a minimum This is especially important for working temperatures above 60 C 15 Preparations 5 4 Maintaining a constant water level Counter cooling For cool
4. English Operating manual Water Baths TW2 TW8 TW12 TW20 PI Julobo THE TEMPERATURE CONTROL COMPANY JULABO USA Inc 884 Marcon Boulevard Allentown PA 18109 Phone 1 610 231 0250 Fax 1 610 231 0260 info julabo com www julabo com SrA o mini 98 19536062 _a doc Version 02 05 11 Congratulations You have made an excellent choice JULABO thanks you for the trust you have placed in us This operating manual has been designed to help you gain an understanding of the operation and possible applications of our circulators For optimal utilization of all functions we recommend that you thoroughly study this manual prior to beginning operation The JULABO Quality Management System Temperature control devices for research and industry are developed produced and distributed according to the requirements of ISO 9001 2008 Certificate Registration No 01 100044846 Ntug T VRheinland A CERT TOVAhsinland ISO 9001 tl KA KO 2 3 t CA 910500 gt tiy Unpacking and inspecting Unpack the water bath and accessories and inspect them for possible transport damage Damage should be reported to the responsible carrier railway or postal authority and a damage report should be requested These instructions must be followed fully for us to guarantee our full support of your claim for protecting against loss from concealed damage The form required for filing such a claim will b
5. Temperature indication Resolution Temperature control Heater wattage at 230 V kW Heater wattage at 115V kW Bath opening WxL cm Bath depth cm Filling volume liters Overall dimensions WxDxH cm with Makrolon cover Weight Ambient temperature Mains power connection 230 V 50 60 Hz at 230 V Mains power connection 115 V 60 Hz at 115 V Current input Current input TW2 20 99 9 0 2 digital LED 0 1 PID1 1 0 1 0 15x13 11 a 17x16x26 17x16x37 3 5 5 40 190 253 50 60 4 103 127 50 60 TW8 20 99 9 0 2 digital LED 0 1 PID1 2 0 1 0 23x27 14 3 08 29x32x28 29x32x44 8 5 5 40 190 253 50 60 8 103 127 50 60 All measurements have been carried out at rated voltage and frequency operating temperature 70 C ambient temperature 20 C bath fluid water Technical changes without prior notification reserved Operator responsibility Safety instructions Water Bath Working temperature range Temperature stability Temperature selection Temperature indication Resolution Temperature control Heater wattage at 230 V kW Heater wattage at 115V kW Bath opening WxL cm Bath depth cm Filling volume liters Overall dimensions WxDxH cm with Makrolon cover Weight Ambient temperature Mains power connection 230 V 50 60 Hz at 230 V Mains power connection 115 V 60 Hz at 115 V Current input Current input TW12 20
6. ates of America all 3 warning labels must be affixed to the housing of the unit prior to use Directions for the positioning of the individual warning labels are enclosed with the warning labels included in the delivery Warning labels must be easily visible to users 1 Warning label WOO Colors yellow black Danger area Attention Observe instructions operating manual safety data sheet 2 Mandatory label M018 Colors blue white Carefully read the user information prior to beginning operation Scope EU or 2 Semi S1 0701 Table A1 2 9 Carefully read the user information prior to beginning operation Scope USA NAFTA 3 WARNING This product contains Warning label Proposition 65 chemicals known to the state of California to cause cancer birth defects or other reproductive harm Particular care and attention is necessary because of the wide operating range There are thermal dangers Burn scald hot steam hot parts and surfaces that can be touched Warning label W26 Colors yellow black Hot surface warning The label is put on by JULABO 2 1 Disposal Do not dispose of the unit with household waste However over the long operating period of the unit disposal rules may change Therefore only qualified personnel should handle the disposal Water Baths 2 2 Technical specifications Water Bath Working temperature range Temperature stability Temperature selection
7. ce personnel authorized by JULABO gt Always turn off the unit and disconnect the mains cable from the power source before performing any service or maintenance procedures or before moving the unit gt Prevent humidity from entering into the water bath gt Do not use alcohol based or solvent based cleaning agents These cleaning agents will result in damage and cracks in the Makrolon cover Cleaning For cleaning the bath tank and the immersed parts of the water bath use low surface tension water e g soap suds Clean the outside of the unit using a wet cloth and low surface tension water The JULABO Water Baths are designed for continuous operation under normal conditions Periodic maintenance is not required The tank should be filled only with a bath fluid recommended by JULABO To avoid contamination it is essential to change the bath fluid from time to time Repairs Before asking for a service technician or returning a JULABO instrument for repair please contact an authorized JULABO service station Returning a unit When returning the unit e Clean the unit and if necessary decontaminate the unit in order to avoid endangering service personnel e Attach a short fault description e During transport the unit has to stand upright Mark the packing correspondingly e When returning a unit take care of careful and adequate packing e JULABO is not responsible for damages that might occur from insufficient pack
8. d the product or anything in its surroundings can be damaged 4 2 Explanation of other notes T Note Draws attention to something special Important Indicates usage tips and other useful information 4 3 Safety recommendations gt Follow the safety recommendations to prevent damage to persons or property Further the valid safety instructions for working places must be followed e ConnOnly connect the unit to a power socket with earthing contact PE protective earth e The power supply plug serves as a safe disconnecting device from the line and must always be easily accessible e Operation is permitted with non flammable liquids only e Place the instrument on an even surface on a pad made of non inflammable material e Do not stay in the area below the unit 11 Safety notes for the user 12 gt gt Make sure you read and understand all instructions and safety precautions listed in this manual before installing or operating your unit Check the filling level of the bath fluid from time to time The heater must always be fully covered with the bath fluid Never operate the unit without bath fluid in the bath Do not drain the bath fluid while it is hot Check the temperature of the bath fluid prior to draining by switching the unit on for a short moment for example Never operate damaged or leaking equipment Always turn off the unit and disconnect the mains cable f
9. e provided by the carrier 1 953 6062 04 11 Printed in Germany Changes without prior notification reserved Important keep operating manual for future use Water Baths TABLE OF CONTENTS Operating Maal RR RR RA A IE e 4 Ae olntended USE aan ana aaa aeree erano 4 ele Description tree Reena Renee RE Rn RE n ARAN REA 4 2 Operator responsibility Safety iNStructions ii 4 2 Disposal aira aa ah e yds ila pdl lst lol last ae 6 2 2 Technical SPECIHCAHONS orrore eee 7 Operalingrinsiriclioni appro anioni nin aaa 10 3 Operating controls and functional elements ii 10 4 Safety notes for the User Rao enel e 11 4 1 Explanation of safety Notes le ridi alli ilaele nile ila iola lia lalaliizina 11 4 2 Explanation of other NOVES ssr cassa i i A SARAI SAR Siti 11 4 3 Safety recommendations az aporia fata Ain 11 5 Preparations oa cect ust soccer crass ce ia cir stre re eda da ato ee sec 13 DA ISAM Ott LI teat tied eek stet coed teeta bast ied rat tied adh thas tie derit edt 13 5 2 Badia 14 53 FIINGDARNNgstotoeteliaiatene oddio 15 5 4 Maintaining a constant water level Counter cooling 16 5 5 ICCC OSUINGS Sie ceed A ode ae eee 17 6s Operating PYOCCOUNES wes ma a ced eadeapcbees vated E A 18 6 1 Power connection 2a ra ire aaa bacia eine iii 18 6 2 Switching on Start Sopra leon Aa 19 6 3 Seliiigihnetemperatiros sggi or sii ai le eee ee 19 7 Troubleshooting gu
10. essoires Water Baths Lift up Makrolon covers Order numbers TW2 TW8 TW12 TW20 8 970 289 8 970 286 8 970 287 8 970 288 The lift up Makrolon covers are supplied with pre assembled hinges Screw the hinges with the included screws to the rear side of the bath by means of a screwdriver Insert capacity for test tube racks to 100 C stainless steel TW2 1 Order No Test tube rack 8970330 for 24 test tubes 16 17 mm dia TW8 Insert capacity for test tube racks to 100 C stainless steel ee TW8 TW12 TW20 TW20 2 3 4 Order No _ Test tube racks 8970 344 for 50 test tubes 16 17 mm dia 8970 345 for 90 test tubes 12 13 mm dia 8970 346 for 90 microliter tubes 16 17 mm dia 8970 347 for 21 test tubes 30 mm dia TW8 Insert capacity for test tube racks to 80 C Polypropylene ee TW8 TW12 TW20 TW20 2 3 4 Order No Test tube racks 8 970 380 for 60 test tubes 16 17 mm dia 8 970 381 for 90 test tubes 12 13 mm dia 8 970 382 for 90 microliter tubes 16 17 mm dia 8 970 383 for 21 test tubes 30 mm dia 17 Operating procedures Cooling installation continuo water supply Recommendation for model TW8 TW12 TW20 For continuous water supply and counter cooling Order No Description 8970415 Liquid level cooling set 8970416 Cooling coil 6 Operating procedures 6 1 Power connection gt Only connect the unit to a power socket with earthing contact PE protective earth gt The power supply plug
11. f any breach by Buyer of any provisions of the Warranty Provisions shall not constitute a waiver of or an excuse for nonperformance as to any other provision of the Warranty Provisions nor as to any prior or subsequent breach of the same provision 9 Freight Buyer will arrange and pay for shipping and handling charges for the unit to be returned to the Seller Seller will arrange and pay for shipping and handling for the return of the unit to the Buyer 23
12. ide Error Messages i 20 9 Gieaning Tepalincine Uli iii 21 9 WABRANFERROVISIONS 0 ELIO AAA 22 Operating manual Operating manual 1 Intended use JULABO water baths have been designed for temperature application to specific fluids in a bath tank JULABO water baths are not suitable for direct temperature control of foods semi luxury foods and tobacco or pharmaceutical and medical products Direct temperature control means unprotected contact of the object with the bath 1 1 Description M The water baths are operated via the splash proof keypad The implemented microprocessor technology allows to set and to store the setpoint that can be indicated on the LED temperature display LL LO LO al M The PID temperature control adapts the heat supplied to the thermal D gt requirements of the bath M The water baths conforms to the relevant requirements specified by PID1 European guidelines M The models TW8 TW12 TW20 provide a drain screw and handles for easy relocation 2 Operator responsibility Safety instructions The products of JULABO ensure safe operation when installed operated and maintained according to common safety regulations This section explains the potential dangers that may arise when operating the circulator and also specifies the most important safety precautions to preclude these dangers as far as possible The operator is responsible for the qualification of the pers
13. ing 21 WARRANTY PROVISIONS 9 WARRANTY PROVISIONS The following Warranty Provisions shall apply to products sold in North America by Julabo Seller to the entity shown as buyer Buyer on Seller s invoice 1 Initial Warranty Upon Seller s receipt of payment in full for the products and subject to Buyer s compliance with the terms of sale and any other agreement with Seller relating to the products Seller warrants to the Buyer that the products manufactured by the Seller are free from defects in material and workmanship for a period not to exceed two 2 years or ten thousand 10 000 hours of operation whichever comes first from the date the product is shipped by Seller to Buyer the Initial Warranty 2 EXCLUSION OF ALL OTHER EXPRESS WARRANTIES EXCLUSION OF ALL IMPLIED WARRANTIES OTHER THAN THE INITIAL WARRANTY NO OTHER EXPRESS WARRANTIES ARE MADE ALL IMPLIED WARRANTIES OF EVERY TYPE AND KIND INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR USE ARE EXCLUDED IN ALL RESPECTS AND FOR ALL PURPOSES SELLER DISCLAIMS AND MAKES NO IMPLIED WARRANTIES WHATSOEVER 3 Exclusions The Initial Warranty does not include damage to the product resulting from accident misuse improper installation or operation unauthorized or improper repair replacement or alteration including but not limited to repairs replacements or alterations made or performed by per
14. ing tasks near the ambient air temperature the liquid level cooling set can be used for counter cooling By special pipe routing cool faucet water is continuously supplied to the water bath while at the same time the heated water is drained via the overflow connection of the Level Cooling set DA specific water flow rate of 100 ml minute is sufficient to compensate for the characteristic temperature Securely attach all tubing to prevent slipping Observe the laws and regulations of the water distribution company valid in the location where the unit is operated Use of the liquid level cooling set for a continuous supply of faucet water 1 to keep the water level constant especially for applications up to the boiling point supply of faucet water only in the amount of evaporation losses 2 for counter cooling of cooling tasks near the ambient surrounding temperature cool faucet water is continuously supplied to the water bath while at the same time the heated water is drained via the overflow connection of the liquid level cooling set Liquid level cooling set Order number 8 970 415 11 drainage screw on water bath 20 compensation reservoir 21 connecting sleeve 22 supply drainage sleeve 23 overflow sleeve 24 adaptor screw for constant liquid level function 25 adaptor screw assy for counter cooling function and simultaneous constant liquid level control 26 adjuster screw for filling level adjustment a 16 Acc
15. n in a controlled electromagnetic environment This means that transmitting devices e g cellular phones should not be used in the immediate vicinity Magnetic radiation may influence other units with components susceptible to magnetic fields e g a monitor We recommend to keep a minimum distance of 1 m Permissible ambient temperature max 40 C min 5 C Permissible relative air humidity 50 40 C Do not store in an aggressive atmosphere Protect from contaminations Do not expose to sunlight VV V V Appropriate Operation Only qualified personnel is authorized to perform configuration installation maintenance and repairs of the water bath Routine operation can also be carried out by untrained personnel who should however be instructed by trained personnel Use Insufficient ventilation may result in the formation of explosive mixtures Only use the unit in well ventilated areas The unit is not for use in explosive atmosphere JULABO water baths have been designed for temperature application to water in a bath tank The bath may not be filled with flammable materials Fire hazard Only use non acid and non corroding bath fluids Operator responsibility Safety instructions When using hazardous materials or materials that could become hazardous the operator must affix the enclosed safety labels to the front of the unit so they are highly visible If this unit is intended for use within the United St
16. onnel operating the units gt The personnel operating the units should be regularly instructed about the dangers involved with their job activities as well as measures to avert these dangers gt Make sure all persons tasked with operating installing and maintaining the unit have read and understand the safety information and operating instructions gt When using hazardous materials or materials that could become hazardous the unit may be operated only by persons who are absolutely familiar with these materials and the unit These persons must be fully aware of possible risks Water Baths If you have any questions concerning the operation of your unit or the information in this manual please contact us Contact JULABO USA Inc Phone 1 610 231 0250 884 Marcon Boulevard Fax 1 610 231 0260 Allentown PA 18109 info julabo com www julabo com Safety recommendations for the operator gt You received a product conceived for industrial use Nevertheless avoid strikes to the housing vibrations damages to the keypad foil keys display or contamination gt Make sure the product is regularly checked for proper condition Regularly check at least every 2 years the proper condition of the mandatory warning prohibition and safety labels gt Take care that the mains supply features a low impedance to avoid any negative affects on the instrument being operated in the same mains gt This unit is designed for operatio
17. oses Class A industrial and commercial range Operating instructions Operating instructions 3 Operating controls and functional elements Front view Rear view 12 11 WEA Example TW8 Mains power switch illuminated O l on O off 2 VA Edit keys increase decrease setting 3 lt Enter key store 4 SG LED temperature display menu indication 5 SS Control indicator Heating 6 ake Control indicator Cooling without function 7 A Control indicator Alarm 10 Mains power cable with plug 11 Drainage screw Connector for liquid level cooling set accessory 12 Handle Water Baths 4 Safety notes for the user 4 1 Explanation of safety notes A gt gt In addition to the safety warnings listed warnings are posted throughout the operating manual These warnings are designated by an exclamation mark inside an equilateral triangle Warning of a dangerous situation Attention Please follow the documentation The danger is classified using a signal word Read and follow these important instructions for averting dangers Describes a possibly highly dangerous situation If these instructions are not followed serious injury and danger to life could result Describes a possibly dangerous situation If this is not avoided slight or minor injuries could result A warning of possible property damage may also be contained in the text Describes a possibly harmful situation If this is not avoide
18. r flasks or other containers for the purpose of controlling their temperature We do not know which substances are contained within these vessels Many substances are gt inflammable easily ignited or explosive gt hazardous to health gt environmentally unsafe i e dangerous The user alone is responsible for the handling of these substances gt Always properly seal all sample containers There is a danger of electrochemical oxidation or corrosion when using test tube racks or samples made of non ferrous metal gt Avoid using these types of racks or samples gt Use only original JULABO test tube racks 13 Preparations 5 2 Bath fluids Recommended bath fluids soft decalcified water 14 A Poor water quality may result in corrosion in the bath Water The quality of water depends on local conditions e Due to the high concentration of lime hard water is not suitable for temperature control because it leads to calcification in the bath e Ferrous water can cause corrosion even on stainless steel e Chloric water can cause pitting corrosion Distilled and deionized water is unsuitable Their special properties cause corrosion in the bath even in stainless steel JULABO takes no responsibility for damages caused by the selection of an unsuitable bath fluid Please contact JULABO before using other than recommended bath fluids Do not use flammable bath fluids 5 3 Filling Draining
19. r s facility in which case Buyer shall pay Seller s travel living and related expenses incurred by Seller in performing the repairs or replacements at Buyer s facility As a condition precedent to Seller s obligation to repair or replace a product part under the Initial Warranty Buyer shall i promptly notify Seller in writing of any such defect ii shall have returned the product s record of purchase to Seller or to one of Seller s authorized representatives within thirty 30 days of the date the product is delivered to Buyer and iii assist Seller in all respects in its attempts to determine the legitimacy and basis of any claims made by or on behalf of Buyer including but not limited to providing Seller with access to the product to check operating conditions If Buyer does not provide such written notice to Seller within the Initial Warranty period or fails to return the product s record of purchase as set forth above Seller shall have no further liability or obligation to Buyer therefore In no event shall Seller s liability under the Initial Warranty exceed the original purchase price of the product which is the subject of the alleged defect 22 Water Baths 5 THE REMEDIES PROVIDED IN THE INITIAL WARRANTY ARE THE SOLE AND EXCLUSIVE REMEDIES AVAILABLE TO THE BUYER NOTWITHSTANDING ANYTHING TO THE CONTRARY CONTAINED HEREIN AND EVEN IF THE SOLE AND EXCLUSIVE REMEDIES FAIL OF THEIR ESSENTIAL PURPOSE FOR ANY REASON WHATSOEVER IN NO EVENT
20. rom the power source before performing any service or maintenance procedures or before moving the unit Transport the unit with care Sudden jolts or drops may cause damage in the interior of the unit Always empty the bath before moving the unit Never operate equipment with damaged mains power cables Observe all warning labels Never remove warning labels Condensation that could appear in and on other units near the water bath may result in reduced operating safety Be careful when setting up and operating the water bath Always turn off the unit and disconnect the mains cable from the power source before cleaning the unit Repairs are to be carried out only by qualified service personnel Some parts of the bath cover may become extremely warm during continuous operation When lifting the bath cover pay attention to hot steam Be careful when touching these parts Use safety glasses WARNING This product contains chemicals known to the state of California to cause cancer birth defects or other reproductive harm Water Baths 5 Preparations 5 1 Installation A The unit is not for use in explosive environment Place the water bath in an upright position gt 80 mm Keep a wall distance of minimum 80 mm A Potential hazards from the samples Proper use of water baths includes immersion of samples contained in test tubes Erlenmeye
21. serves as safe disconnecting device from the line and must be always easily accessible gt Never operate equipment with damaged mains power cables gt Regularly check the mains power cables for material defects e g for cracks gt Wedisclaim all liability for damage caused by incorrect line voltages Check to make sure that the line voltage matches the supply voltage specified on the identification plate Deviations of 10 are permissible Water Baths 6 2 Switching on Start Stop e Switching on gt Turn on the mains power switch 1 O A i The unit performs a self test All segments of the 4 digit LED temperature DISPLAY and all indicator lights will illuminate Then the software version example n 11 0 appears Together with the display of the water bath temperature the operating state is also displayed Example 18 5 C The heat up phase is indicated by the yellow heating control light 222 which will blink in regular intervals when the selected temperature has been attained e Switchingoff Turn the unit off with the mains power switch 6 3 Setting the temperatures Setting can be carried out in the start stop condition 4 Press one of the keys W for a short moment The setpoint value instead of the actual value is indicated on the display for about 8 seconds The value can now be changed 2 Change value Press A to set a higher value Press W to set a lower value Keep the ke
22. sons other than Seller s employees or authorized representatives failure to provide or use of improper maintenance unreasonable use or abuse of the product or failure to follow written installation or operating instructions Buyer must return the product s record of purchase to the Seller or one of Seller s authorized representatives within thirty 30 days of the date the product is shipped by Seller to Buyer in order to make a claim under the Initial Warranty Notwithstanding anything contained herein to the contrary all glassware including but not limited to reference thermometers are expressly excluded from the Initial Warranty 4 Buyer s sole remedies Limitations on Seller s Liability Buyers sole and exclusive remedy under the Initial Warranty is strictly limited in Seller s sole discretion to either i repairing defective parts or ii replacing defective parts In either case the warranty period for the product receiving a repaired or replaced part pursuant to the terms of the Initial Warranty shall not be extended All repairs or replacements performed by Seller pursuant to these Warranty Provisions shall be performed at Seller s facility in Allentown Pennsylvania U S A or Vista California U S A or at the facility of an authorized representative of Seller which location shall be determined by Seller in its sole discretion provided however that Seller may in its sole discretion perform such repairs or replacements at Buye
23. ys depressed for the value to change fast 3 Press enter H to store the value A When the working temperature is higher than 50 C it might happen that due to strong production of steam there is considerable dripping on the inside of the lift up Makrolon cover Some drops may fall directly into the material to be tempered gt Always properly seal all sample containers 19 Troubleshooting guide Error messages 7 Troubleshooting guide Error messages Whenever the microprocessor electronics registers a failure a complete shutdown of the heater and circulating pump is performed AN The alarm light illuminates and a continuous signal tone sounds The LED temperature display indicates the cause for the alarm in form of a code fe ee e Safety sensor or working temperature sensor e The water bath is operated without bath fluid or the liquid level is insufficient Replenish the bath tank with the bath fluid e Cable of the working temperature sensor interrupted or short circuited After eliminating the malfunction press the mains power switch off and on again to cancel the alarm state If the unit cannot be returned to operation contact an authorized JULABO service station 20 Water Baths 8 Cleaning repairing the unit Caution Improper maintenance or repair can result in electric shock or damage to the unit gt Repairs and any other work are to be carried out only by qualified servi
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