service/parts manual garland fondant warmer model efw800
Contents
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10. 6 SEQUENCE OF OPERATION 7 TROUBLESHOOTING 8 SERVICING 9 9 System Block Diagram 9 Service 9 11 5 9 System lt 9 SENSOR DATA 10 Temperature Resistance Voltage Table 10 Sensor Diagnostic Procedure 11 Part 4 4521056 Rev 2 02 21 12 PARTS REPLACEMENT 11 To Access 11 11 High Limit 11 12 12 Thermistor Sensor 12 UPDATING PROGRAMS 13 MAINTENANCE CLEANING 13 WIRING DIAGRAM 15 EFW800 PARTS BREAKDOWN 16 EFW800 PARTS 5 17 Page 3 DIMENSIONS AND SPECIFICATIONS 305mm 24 11 612mm 13 55 5 21 56 344mm Pp 7 42 189mm 8 34 MIN 219mm 24 75 8 78 MAX 223mm 629mm Nominal 6 w NEMA 5 15 plug Shipping 15 8 13 55 2916 401mm 344mm 13 2kg Page 4 Part 4521056 Rev 2 02 21 12 GENERAL INFORMATION Users are cautioned that maintena
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24. of the old adhesive from the tank with a sharp blade Usea 150 200 grit water paper to take off any remaining adhesive It is important to remove the old adhesive Installing the new heater without removing the old adhesive will reduce the heat transfer to the tank and reduce the life of the heater Clean the area with isopropyl alcohol Clean any lint or fibers from the surface Replace the Bracket Spacer This is to ensure the heater is placed so it does not interfere with the bracket Part 4 4521056 Rev 2 02 21 12 3 Check sensor resistance and compare with the sensor temperature 4 Check the power supply voltage It must be 12 0V DC 5 Check the voltage at the control input Does it match the above table 8 Peel the protective liner from the heater Carefully align the heater making sure it is square and even with one edge of the tank Start applying the heater from the narrow edge ina slightly curved manner Press the heater to the tank applying from one side to the other Applying the heater in this manner will reduce the chance of trapping air between the heater and the tank Press the heater down across the entire surface of the heater This helps to set the adhesive 9 Replace the high limit bracket If must make contact with both heaters The bracket may have to be bent slightly toward the heaters 10 Connect the wires one to the high limit and the other to the red wire 11 Test and re asse
25. required fondant temperature Operating Procedure 1 Fill the tank with water so that the level is between the minimum and maximum embossed lines on the inside wall of the tank 2 Insert pans with a maximum depth not exceeding 4 102mm 3 Plug appliance into electrical outlet 4 Turnon the appliance by pressing the switch marked ON OFF in the ON position 5 Lamp Test After the control has initialized the amber WARNING indicator will illuminate for 10 seconds This lets the operator know the lamp is functioning 6 The appliance will initially heat the bath of water to temperature of 145 F 63 C then maintain it at 122 F 3 F 50 C 2 C Temperatures are measured with a lid or pans in covering the tank Page 6 READY WARNING PRET ATTENTION Indicators 1 The power switch is illuminated when the switch is in the ON position and power is applied to the appliance 2 The green READY lamp indicates the water bath has reached its normal operating temperature Fresh cold fondant may take longer to heat See the section Fondant Heating Hints for more details in the Operating Manual 4521055 3 The amber WARNING lamp has multiple functions A flashing WARNING lamp indicates a low water condition If the amber lamp is illuminated continuously it indicates a temperature sensor failure and service personnel should be contacted NOTE Periodic checks should be made during operation to ensure th
26. 2 self threading 1 4 20NC KEP nut 6 2635401 1 4520612 Thermistor Probe Assembly ___1 8 3103102 Thermostat 185 Degree F High Limit 2 F312 10 24NC KEP Nut F519 ___ 4 40NC KEP Nut 1472206 Insulation Bottom 12 3099400 Thermostat Bracket OoOo O 3084900 Silicon Rubber Heater 120V 2 4523400 Power Cord 6 3 18GA 10AMP SJOOW 4520635 Bracket Spacer 3100300 90 Degree Strain Relief 4520619 Body Back Assembly 4520752 Insulation 1 2IN 5 x 20 25 ___2 4520753 Insulation 1 2IN 5 x 13 25 SE a 4520616 Tank Assembly ca 4520972 _ Fuse 0 75 Amps AGC ___1 2320700 Fuse Holder 1 Pole oa 4520614 _ Power Supply 12VDC 7 5W 4520627 Power Supply Mount ___1 158 Washer 203 687 ___ 4 4521319 Electronic Control ___1 4520969 Illuminated Power Switch G01296 3 Pilot Light Green ___1 G01296 2 Pilot Light Amber ___1 4520751 _ Overlay EFW800 Screw 10 24NC x 5 8 ___2 4521154 Wire Harness AC Power 4521156 Wire Harness Assembly DC Includes Items 34 35 36 ___1 OE 1425041 20K Resistor ___1 1425023 _ 11 Resistor 1427213 Capacitor 22 25 Volt i 4521057 Label Instruction Notice 3099300 Warning Label 452129 WiringDiagram __ _ 452105 OperatingManual __ _ 4521056 Service PartsManual 4521056 2 02 21 12 17 Garland Pub
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31. Garland SERVICE PARTS MANUAL GARLAND FONDANT WARMER MODEL EFW800 Q 05 PLEASE READ ALL SECTIONS OF THIS MANUAL FOR YOUR SAFETY AND RETAIN FOR FUTURE REFERENCE DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS OR THIS PRODUCT HAS BEEN CERTIFIED AS LIQUIDS IN THE VICINITY OF COMMERCIAL COOKING EQUIPMENT AND THIS OR ANY OTHER MUST INSTALLED BY PROFESSIONAL APPLIANCE PERSONNEL AS SPECIFIED WARNING INSTALLATION AND ELECTRICAL CONNECTION IMPROPER INSTALLATION ADJUSTMENT MUST COMPLY WITH CURRENT CODES ALTERATION SERVICE OR MAINTENANCE IN CANADA THE CANADIAN ELECTRICAL CAN CAUSE PROPERTY DAMAGE INJURY CODE PART 1 AND LOCAL CODES OR DEATH READ THE INSTALLATION IN USA THE NATIONAL ELECTRICAL CODE OPERATING AND MAINTENANCE ANSI CURRENT EDITION INSTRUCTIONS THOROUGHLY BEFORE INSTALLING OR ENSURE ELECTRICAL SUPPLY CONFORMS WITH SERVICING THIS EQUIPMENT ELECTRICAL CHARACTERISTICS SHOWN ON THE RATING PLATE Users are cautioned that maintenance and repairs must be performed by a Garland authorized service agent using genuine Garland replacement parts Garland will have no obligation with respect to any product that has been improperly installed adjusted operated or not maintained in accordance with national and local codes or installation instructions provided with the product or any product that has its serial number defaced obliterated or removed or which has been modified or rep
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33. SSIBLE DESCRIPTION OF PROBLEM CAUSE WHAT TO DO Warning indicator lamp is Water in tank is low Fill with cold water flashing Warning indicator lamp The water was not cold The lamp will automatically turn off in 10 minutes flashes after filling with water enough to reset the low Replacing the water in the tank with cold water will reset water condition the low water condition immediately Warning indicator lamp is Sensor could be shorted or Is water bath above 180 F 82 C Yes sensor may be on continuously and water the temperature abnormally shorted or control relay shorted temperature is high high 15 water bath above 150 F 65 C but below 180 F 82 C Sensor or circuit out of calibration Check sensor resistance check control output relay for shorts Replace sensor or control if necessary Warning indicator lamp 15 Sensor could be open or Check sensor resistance and replace if necessary continuously temperature is shorted but the control normal is functioning in a timed heating cycle mode Water temperature and Calibration adjustment is Verify power supply is adjusted to 12 0V DC Moving jumper fondant temperature 15 high required may not be necessary by 2 to 4 F 1 to 2 5 C Moving the calibration jumper from input terminal 15 to 14 reduces the temperature by 4 F 2 5 C or to 13 reduces the temperature by 2 F 1 C Water temperature and Calibration adjustment is Verify power supply is adjus
34. a qualified person DO NOT operate without reading this manual Part 4 4521056 Rev 2 02 21 12 DO NOT operate this appliance unless all service and access panels are in place and fastened properly DO NOT attempt to repair or replace any part of this appliance unless all main power supplies have been disconnected DO NOT clean this appliance unless the power supply is disconnected DO NOT immerse appliance in water WARNING To avoid serious personal injury USE EXTREME CAUTION when setting up operating and cleaning these appliances to avoid coming into contact with hot surfaces Suitable protective clothing should be worn or proper utensils should be used to prevent the risk of burns NOTE all warning labels and markings on this appliance which call attention to further dangers and necessary precautions Wall Clearances Back 0 Sides 0 Electrical Rating 6 7 NEMA Amps 5 15P 120VAC 800 60HZ Watts Page 5 OPERATING INSTRUCTIONS This appliance requires water in the tank for even heating Before first use it is recommended that the inside of the tank be cleaned with a detergent soaked cloth to remove fabricating and protective oils Rinse with clean water and dry with a clean cloth The EFW800 is a full size 12 x 20 305mm x 508mm capacity fondant warmer It is designed to maintain fondant temperature at 115 F 46 C To achieve this the appliance heats a water bath slightly higher than the
35. aired using unauthorized parts or by unauthorized service agents For a list of authorized service agents please refer to the Garland web site at http www garland group com The information contained herein including design and parts specifications may be superseded and is subject to change without notice GARLAND COMMERCIAL RANGES LTD 1177 Kamato Road Mississauga Ontario L4W 1X4 CANADA 70 Phone 905 624 0260 I Ww Fax 905 624 5669 Part 4521056 Rev 2 02 21 12 2012 Garland Commercial Ranges Ltd IMPORTANT INFORMATION WARNING This product contains chemicals known to the state of California to cause cancer and or birth defects or other reproductive harm Installation and servicing of this product could expose you to airborne particles of glass wool ceramic fibers Inhalation of airborne particles of glass wool ceramic fibers is known to the state of California to cause cancer Page 2 Part 4521056 Rev 2 02 21 12 5 IMPORTANT INFORMATION 2 DIMENSIONS AND SPECIFICATIONS 4 GENERAL INFORMATION 5 Serial Plate 5 SALLY eo see sagan se ees ten 5 Wall 5 Electrical 5 OPERATING INSTRUCTIONS 6 Operating Procedure 6 Take
36. at the water level does not fall below the lower embossed line Should it do so top up with fresh cold water We recommend cleaning the tank and filling with clean cold water to the embossed line after a low water condition IMPORTANT After a low water condition fill with cold water Only cold water will reset the flashing lamp Adding hot water will not reset the low water condition immediately The lamp will continue to flash if the water temperature does not drop below 100 F 38 C Part 4521056 Rev 2 02 21 12 SEQUENCE OF OPERATION Turn on Power Contol initializes delay Warning Lamp test illuminates for 10 seconds Timed heater output and illuminate warning indicator Yes Initiate fast heating set point water will heat to 145F then go to normal set point Timed heater output and illuminate warning indicator Initiate normal set point nominal 122F input selects calibration offset Part 4 4521056 Rev 2 02 21 12 Every heat cycle check for a low water condition Continue normal operation Yes Set low water condition flash warning indicator for 10 minutes reduce heating power to 50 Add cold water reduce sensor temperature to 100F to reset low water condition or reset if the condition is corrected after 3 heating cycles Low Water condition reset Continue normal No operation Keep warning indicator flashing Page 7 TROUBLESHOOTING PO
37. loosening the 2 nuts that attach the front section to the tank e Check for a green indicator on the power supply If there is no indicator on check input voltage to the power supply If there is 120V AC present at the input terminals and no output the power supply must be replaced There are no serviceable components in the power supply Check the output of the power supply It should be 12 0V 0 1V DC There is a voltage adjustment potentiometer next to the green indicator If the power supply cannot be adjusted to 12 0V DC 0 1V DC it could indicate there is a problem either with the power supply or the load attached to it the controller or sensing circuit Typically if a voltage regulator is defective the voltage error will be greater than 2 volts e Check the voltage between 12 volt terminal and the load side of fuse FS1 12 volts should be present e Check the indicator lamp on the electronic control In normal conditions it will be green If it appears red the control has malfunctioned If the indicator is red the control must be replaced Page 9 SENSOR DATA The sensor used on the model is an NTC negative Temperature Resistance Voltage temperature coefficient thermistor This is a sensor whose Temperature Resistance Voltage In Circuit Out Of Resistance In Circuit Circuit 18 to resistance decreases with an increase in temperature The sensing circuit is arranged as a voltage di
38. mble the unit High Limit Thermostat 1 Remove the electrical connections 2 Remove 2 4 40 nuts from the old thermostat 3 Verify the part number and temperature value is correct Component identification varies with manufacturer The Honeywell version is marked L215 opens at 215 F 102 C The Selco version is marked OA 220 open at 220 F 104 C 4 Install the new thermostat 5 Replace the 2 4 40 nuts Do not over tighten 6 Replace the electrical connections 7 Test and re assemble the unit Page 11 PARTS REPLACEMENT continued Power Supply 1 5 6 Remove the defective power supply and mounting bracket from the main component bracket Remove the power supply from the mounting bracket by pulling out the retaining tab Disconnect the electrical connections and place them on the new power supply one at a time This will reduce the chance of making a wiring error When all the electrical connections have been made mount the power supply on the bracket Push in the retaining tab to secure the power supply Replace the bracket on the main component mount Test and re assemble the unit Control 1 2 4 Remove the defective control from the main component bracket To reduce the chance of miss wiring try to exchange one wire at a time Examine and make sure there is no damage to the resistors and capacitors that are crimped in the wire harness If there is any damage the wire harness
39. nce and repairs should be performed by a Garland authorized service agent using genuine Garland replacement parts Garland will have no obligation with respect to any product that has been improperly installed adjusted operated or not maintained in accordance with national and local codes or installation instructions provided with the product or any product that has its serial number defaced obliterated or removed or which has been modified or repaired using an authorized parts or by unauthorized service agents For a list of authorized service agents please refer to the Garland web site at www garland group com or www garlandcanada ca The information contained herein including design and parts specifications may be superseded and is subject to change without notice It is essential that the instructions in this manual be strictly followed for the safe and economical operation of this equipment If it is known or suspected that a fault exists on an appliance the appliance must not be used until a competent person has rectified the fault Service personnel should refer to the service manual supplied with the appliance Serial Plate Location Electrical rating is shown on the serial plate and is readily visible on the rear of the unit next to the power supply cord inlet Safety A qualified person must make the installation in accordance with the authority having jurisdiction and local codes This unit must only be operated by
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41. ry steel scrapers or knives as particles of iron may become embedded and rust NEVER USE STEEL WOOL Page 13 14 Part 4521056 Rev 2 02 21 12 WIRING DIAGRAM Page 15 ORVLNO VONWSSISSIN j5 GALINIT SSONVY 9 5110 OVA 021 008 43 THAOWN 9 008 WOLLOS B HOLIMS Y3MOd 1 N3389 0 YOLVOIGNI SNINYVM YOLVOIGNI AGVAY ZL 6 149 LO l 1 1 90 001 19056 gt 1 ma 30 218 0174 a 719056 LNaWusnray A sn A 2 OL 1 4 1 22 HOIH 154 61 29 9 0 9Z01 4S1Z HOIH vv VV LUA TYH OALL KARN 19 oe ae ASZ 0702 Part 4 4521056 Rev 2 02 21 12 EFW800 PARTS BREAKDOWN MODEL EFW800 S 5 5 2 21 12 2 0 EFW800 PARTS LIST ITEM PART DESCRIPTION 120 Volt 4520621 Front Assembly 4520626 Component Bracket 4520628 Screw 8 3
42. should be replaced The temperature sensing circuit will not function correctly if one of these components is damaged or has a poor electrical connection Mount the new control Page 12 5 When the control is powered up the indicator on the front will be red until the control initializes and will then turn green The control will not function if the indicator remains red 6 Test and re assemble the unit 7 When a control or any temperature sensing component has been replaced fill the tank with cold water to the upper embossed line and monitor the temperature in the water The water should heat to 145 F 63 C then regulate at 122 F 50 C Temperatures are measured with a lid or pans in covering the tank Thermistor Sensor 1 Remove the 10 24 nut that secures the sensor to the tank 2 Disconnect the sensor wires for the control 3 Replace in the reverse order Always route the sensor wires apart from the heater wires This helps to reduce electrical noise at the sensor input and ensures reliable readings 4 Test and re assemble the unit 5 When acontrol or any temperature sensing component has been replaced fill the tank with cold water to the upper embossed line and monitor the temperature in the water The water should heat to 145 F 63 C then regulate at 122 F 50 C Temperatures are measured with a lid or pans in covering the tank Part 4521056 Rev 2 02 21 12 UPDATING PROGRAMS The control has
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44. ted to 12 0V DC Moving jumper fondant temperature is low required may not be necessary by 2 to 4 F 1 to 2 5 C Moving the calibration jumper from input terminal 15 to 11 increases the temperature by 2 F 1 C or to 12 increases the temperature by 4 F 2 5 C Heaters are not heating No Red light on controller Replace controller indicators come on No lights on power supply Replace power supply Green indicator does not Indicator lamp is defective Replace lamp illuminate but unit works Amber warning indicator Indicator lamp is defective Replace lamp does not illuminate for 10 fall Page 8 Part 4521056 Rev 2 02 21 12 SERVICING Introduction Although this appliance has only an on off switch and two indicating lamps there is a computerized control to provide accurate temperature control fault diagnostics and low water detection In most cases of component failure the control is designed to allow the appliance to continue operating in a service mode It is important to understand the operation of the control and how it reacts to faults in order to properly diagnose and correct faults In order to maintain the safety and accuracy of the appliance it is also important to closely follow the parts replacement procedures and inspection guidelines For safety and optimum performance use only parts obtained through Garland or an authorized service agency System Block Diagram Power Suppl
45. the ability to upgrade programs This feature is available to provide system growth and there is currently no upgrade available MAINTENANCE AND CLEANING Empty the water from the tank and clean any lime deposit with a non metallic scouring pad To remove heavy lime deposits from the tank fill the tank with a solution of 3 parts water and 1 part white vinegar Heat for 30 minutes then rinse with clean water Clean with a cloth soaked in a mild detergent and hot water Rinse with a sponge dipped in clean hot water dry with a clean cloth Part 4 4521056 Rev 2 02 21 12 Control programs are updated by installing a memory cartridge The memory cartridge contains the new operating program When new memory cartridge is installed and power is applied the memory located in the control will be erased The control program will operate from the memory cartridge If the memory cartridge is removed there will be no operating program in the control and it will not function Stainless steel should be cleaned using a mild detergent a soft cloth and hot water If it is necessary use a non metallic scouring pad to remove stubborn grime Always rub in the direction of the grain in the metal to prevent scratching Wash small area at a time and rinse the washed area with a clean sponge dipped into a disinfectant and wipe dry witha soft clean cloth Use only stainless steel wood or plastic tools to scrape off heavy deposits Do not use ordina
46. vider circuit shown below The data chart shows the thermistor resistance out of the circuit in the circuit and voltage measured at the input if the circuit is energized versus temperature 5 716 lt gt internal 65 2087 2152 37 16 12V 3604 10k temperature sense 20k 1 6530 4623 27 8056 5339 34 10000 6129 03 Temperature Resistance Voltage Table 12500 Temperature Resistance Voltage 15720 798823 Resistance Voltage 12220 1 In Circuit Out Of In Circuit 25440 9759 33 F ireu Resistance 97820 13627 55 131700 14134 09 10 Part 4521056 Rev 2 02 21 12 SENSOR DATA continued Sensor Diagnostic Procedure 1 Visual inspection is sensor mounted correctly Is there any visible damage to the sensor wires Check sensor resistance for open or short circuit conditions PARTS REPLACEMENT To Access Components 1 2 3 4 Unplug the unit Drain the liquid from the tank Turn the unit over and remove the bottom 10 screws Access front controls by removing 4 screws from the sides and loosen 2 nuts securing the front section to the tank Heater 1 2 Remove the High Limit Bracket Remove the Bracket Spacer The heater is attached to the tank bottom with a pressure sensitive adhesive To remove the old heater disconnect the heater electrical connections Peel the old heater away from the tank Scrape as much
47. y Computer Control Sensor Input Service Procedure When performing any service operations on this equipment it is important to perform the following inspections to maintain the performance and safety of the appliance Visual Inspection 1 Unplug the unit 2 Drain the liquid from the tank 3 Turn the unit over and remove the bottom 4 Examine the insulation It should not be moist or wet Wet insulation could indicate the unit has been immersed in water Assess any potential damage Part 4 4521056 Rev 2 02 21 12 5 Remove the bottom insulation Examine the silicon heaters There should be no staining or delamination from the tank 6 Examine the high limit thermostats and the position of the high limit bracket The bracket is positioned so both limit thermostats are over the heaters There should be no gap between the bracket and the heater If there is remove the bracket and bend it slightly so it makes contact with the heaters 7 Look for any loose or damaged wiring 8 Check fuse FS1 System Checks Check the Following in Powered State Warning before applying power make sure the components are located in a safe manner Always perform the visual inspection described above before applying power Do not apply power if there is any damage to heaters wiring or any components that might compromise safety The front control section can be removed from the body by removing the 4 screws on the sides and
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