Service Manual
Contents
1. 2 3 2 1 1 Replacing built in optical sensor Pull off PCB connection from lighting panel Slightly pressing with fingertips the button head ends of the sensor elements push out the sensor from its casing hold it by its wire end remove Fig 37 Insert new sensor in the casing push in place with fingernails Fig 38 Push PCB connection onto panel 11 Figure 37 Figure 38 Upon finishing the actions snap lighting panel back into its casing adjust wires Insert light cover in groove of inner chamber snap in Fig 33 Screw back mounting screw of lighting cover Fig 32 Testing of electrical insulation resistance is not necessary after disrupting this electrical part After finishing the installation connect the appliance to the mains and check its operation based on the self test by the electronics see 2 3 1 3 2 3 2 1 2 1 Replacing fan Until prod date 11 02 2009 Remove light cover see 2 3 2 1 Pull fan PCB connector off lighting panel Remove thermal sensor from fan casing Fig 39 Screw off fan casing remove it from interior chamber Fig 40 Figure 39 Figure 40 Place thermal sensor in fan casing Fig 41 Screw back on fan casing checking the positions of fan wire and plastic duct Fig 42 Connect fan PCB connector to lighting panel Remount light cover see 2 3 2 1 Figure 41 12 Figure 42 Make sure that the fan operates appropriately To check2. 47 Slightly pressing the locking tab lift out printed circuit board from the base board Fig 49 Figure 49 Figure 50 After finishing the actions re assembly is carried out in reverse order paying attention to the positioning of the wires and to the fitting of the aggregate unit cover and the foot frame In each case after disrupting the electrical circuit test electrical insulation resistance with a 1000 V electrical insulation resistance meter The insulation resistance is Rszic 2Mohm 2 3 2 2 1 Testing the assembled thermo fuse The thermal limiter starts operating if the aggregate should overheat and breaks the electric circuit of heating The thermal limiter switches back after the aggregate has cooled off If the thermal limiter malfunctions the appliance can only be repaired by replacing the thermal limiter see 2 4 1 In case the thermal limiter circuit should be broken it is replaceable as a service part In the event of suspecting this error the thermal fuse can be tested with a break detecting device as follows Disconnect the ends of the thermal fuse wire from the PCB board and from the heating element wires Connect break detecting device on the free wire ends test connection 14 On the device the faulty thermal fuse indicates a break the faultless indicates short circuit Decide on the further procedure of repair depending on the result of the test If the appliance cannot be repaired by
3. 8 i FEET o nmm je G I H x5 Ld i 1 T X10 X3 5 an i Ica i 6 o K9 i 9 P Ju XI aS it il mm 8 G 20 J szber ny 19 03 2009 Compiled by K roly Szil gyi Product Development Engineer Rev1 2009 07 21 Norbert Szab Product Development Engineer 21
4. foot frame and aggregate unit casing position foot Figure 15 Figure 16 Place refrigerator in upright position make sure of unhindered operation of the door and complete sealing 2 2 2 Replacing lock Open refrigerator door Pull key from the lock remove lock cover from rosette using 2 standard screwdrivers Fig 17 d v Figure 17 Remove mounting screws from forehead panel remove forehead panel by slightly pulling Fig 18 19 Figure 18 Figure 19 Remove locking plugs from bores of lock mounting screw Fig 20 Loosen and remove lock mounting screws Fig 21 Figure 20 Figure 21 Lift out lock Fig 22 Detach lock mounting plate from rosette using 2 standard screwdrivers place on new lock Fig 23 Figure 22 Figure 23 Reassembly is done in reverse order Test locking opening adjust locking plate as necessary Fig 24 Figure 24 2 2 3 Replacing door panel Remove mounting screw of forehead panel and lock cover see 2 2 2 Slightly pull forehead panel remove Pull out door panel from groove of doorframe facilitating the pull by slightly bending the door panel Insert new door panel max panel thickness 2 mm into door push in place Fig 25 Figure 25 Reinsert forehead panel secure with screws Push lock cover in place 2 2 4 Mounting and dismounting the handle Handle as option is available How to mount and dismount the h
5. replacing the thermal limiter or if the thermal limiter switches off repeatedly several hours or days later the appliance must be replaced 2 3 2 2 2 1 Replacing temperature sensor Until prod date 11 02 2009 Dismount electric cover see 2 3 2 2 Pull PCB connector of thermal sensor off the control electronics panel X9 loosen clamp Fig 51 m V Figure 51 Turn back refrigerator in vertical position Remove fan see 2 3 2 1 2 Screw off digital thermometer sensor clip Fig 52 Figure 52 Figure 53 Snap out digital thermometer sensor from clip Fig 53 Pull off thermal sensor from the cabinet toward back panel then pull off digital thermometer wire as well Make sure you do so in the above order Clean sealant from sensor wire duct Reinstall new sensor with wire of the other sensor in the cabinet place the sensor tip of digital thermometer in its fastening pocket Reinstall thermal sensor to fan casing Screw off digital thermometer sensor clip Screw back on fan see 2 3 2 1 2 Seal transfer channel on back panel Fig 54 Figure 54 15 On the back side pull back on sensor connector to control electronics panel and fasten the wire of thermal sensor with wire clip Reinstall electrical cover aggregate unit casing see 2 3 2 2 Place refrigerator in upright position Test electrical insulation resistance with a 1000 V electrical insulation resistanc
6. this connect appliance to the mains open door and cover the optical sensor Now the fan should be operating Fig43 Figure 43 n each case after disrupting the electrical circuit test electrical insulation resistance with a 1000 V electrical insulation resistance meter The insulation resistance is Rszic gt 2Mohm 2 3 2 1 2 2 Replacing fan From prod date 11 02 2009 Remove light cover see 2 3 2 1 Pull fan PCB connector off lighting panel Remove thermal and thermometer sensor from fan casing Fig 44 45 v Thermal sensor Thermometer sensor Figure 44 Figure 45 Screw off fan casing remove it from interior chamber Fig 44 45 Place thermal and thermometer sensor in fan casing Fig 44 45 Screw back on fan casing checking the positions of fan wire and plastic duct Fig 42 Connect fan PCB connector to lighting panel Remount light cover see 2 3 2 1 Make sure that the fan operates appropriately To check this connect appliance to the mains open door and cover the optical sensor Now the fan should be operating Fig43 13 2 3 2 2 Testing and replacing the parts connecting to the control electronics PCB These elements become accessible as follows Lay refrigerator on door Unscrew restraining screws from aggregate unit casing remove aggregate unit casing Fig 46 47 48 Figure 46 Figure 47 Figure 48 Unscrew screws from electrical cover remove cover Fig
7. Service Manual DS301H DS601H Absorption Refrigerators for Storing Pharmaceutical Products Dometic Publication number 599720783 Table of Contents 2 3 1 2 3 1 1 2 3 1 2 2 3 1 3 2 3 2 2 3 2 1 2 3 2 1 1 2 3 2 1 2 1 2 3 2 1 2 2 2 3 2 2 2 3 2 2 1 2 3 2 2 2 1 2 3 2 2 2 2 2 3 2 2 3 2 3 2 2 4 2 3 2 2 5 2 4 2 4 1 2 5 The applianee uai e e E IRI UR RR S maet ae ieee 3 Specification S dis codi intet o whee bak ean cn aano eoo undae Teu ts konk ATERA 3 li r uplo 3 Spare parts electrical wiring diagram sssssss 3 Installation and repair Operations esseeeeeeeeese 4 Ri qe 4 Cabinet GOO oaa ttt niet m 5 Adjusting right and left hand swing door 5 Replacing lock dic 7 Replacing door panel ER cr MES 8 Mounting and dismounting the handle 9 Electrical COIT BOHeliLs tes idee etta Decus bie ee reps 10 ODE atio eate ose iste edd estet mus iu sc e uut dc 10 Specifications MEM ROREM p 10 Operation of built in safety features ssessusssss 10 SETS zen oc tue ei epitome iba ueste E 10 Lr stallatlOEbo oe ossoseorteteri peter trit bceetuscet dest ezt Sz Duc nra 11 Replacing the elements under the light cover 11 Replacing built in optical sensor ssssseeeessssssss 11 Rep
8. andle The handle can be found in accessories or it can be ordered as an options It can be mount and unmount according to the following instruction Mounting Pick the handle hole cover from the forehead panel Take care not to damage the part Fig 26 27 Figure 26 Figure 27 Place stud of the handle into the slot of forehead panel Figure 28 Figure 28 Figure 29 Turn the handle into direction of final position place the locating pin of the handle into the groove of the forehead panel and snap the claw placed at end of the handle into edge of the door Fig 29 Dismounting Press together the door and the forehead panel by one of your hand and unhook the claw from edge of the door by the other one and hold away a little bit Fig 30 Fiaure 30 Fiaure 31 Take off the handle from the slot by turning it out Fig 31 2 3 Electrical component 2 3 1 Operation 2 3 1 1 Specifications The appliance is furnished with integrated electronic control The electronics include the control of interior temperature the control of the built in fan and light and supervises the door signals when left open in which case it warns the user with a beep sound The lighting unit consists of 2 pcs of LED light sources which along with lighting the interior also indicates the result of the self test executed by the electronics when voltage is applied to the appliance The switching of the light is controlled by a
9. e Pz 1 fitting strip X10 fitting strip 1X15 fitting strip TX20 fitting strip Special bit marked TX 15 see Figure 6 Standard screwdriver 120 5 Standard screwdriver 100 4 1000 V electrical insulation resistance meter Electrical break detecting device 2 2 Cabinet door 2 1 1 Adjusting right and left hand swing door Lay refrigerator on its aggregate unit side Loosen up foot frame s screws 7 pc remove foot frame 2 pcs out of these have specially designed slots Fig 2 3 4 5 6 PAL Figure 2 Figure 3 Figure 4 Figure 5 Place refrigerator in upright position on workbench open cabinet door to 180 degrees Snap out the fixing tab of the upper hinge pin by the help of a screwdriver and push out the pin carefully so that the door does not fall off Fig 7 8 Figure 6 Figure 7 Figure 8 Lift off door from bottom hinge pin remove hinge washer Fig 9 Figure 9 Remove bottom hinge pin and lower and upper hinge plug in the same way as in case of the upper hinge pin Install bottom hinge pin on opposite side snap in place Fig 10 Figure 10 Pull spacer on bottom hing A e pin then place door on hinge pin Fig 11 12 CH Figure 11 Figure 12 Snap in upper hinge pin lower and upper hinge plug Fig 13 Figure 13 Lay refrigerator on aggregate unit casing Lead feed cable through foot frame Fig 14 Figure 14 Attach grooves of
10. e meter The insulation resistance is Rszig gt 2Mohm f results are satisfactory connect to the mains check its operation based on the self test by the electronics 2 3 2 2 2 2 Replacing temperature sensor From prod date 11 02 2009 Dismount electric cover see 2 3 2 2 Pull PCB connector of thermal sensor off the control electronics panel X9 loosen clamp Fig 51 Turn back refrigerator in vertical position Remove temperature sensor from the fan casing see 2 3 2 1 2 2 Pull off thermal sensor from the cabinet toward back panel then pull off digital thermometer wire as well Make sure you do so in the above order Clean sealant from sensor wire duct Reinstall new sensor with wire of the other sensor in the cabinet place the sensor tip of digital thermometer in its fastening pocket Reinstall thermal sensor to fan casing Seal transfer channel on back panel Fig 54 2 3 2 2 3 Replacing heating element Lay refrigerator on door Remove aggregate unit casing foot frame electrical cover see 2 3 2 2 2 2 1 Disconnect themal fuse from heating element Bend out cover locking tabs of boiler insulation Fig 55 56 Remove upper lower boiler cover Fig 97 aus Y Figure 56 Figure 57 16 Turn insulation detach rims apart by slightly pressing the casing Turn out boiler insulation together with casing from under the boiler Fig 58 59 Pf Figure 58 Fig
11. ep sound 2 3 1 3 Self test When plugging in the appliance the built in electronics performs a self test The system checks the status of the peripheries The result is indicated by the varying number of flashes of the illuminating LED s 0 5Hz The evaluation is contained in the table below Number of flashes Error status N 0 General error N 1 Diagnosis O K Upon detecting failures thermal sensor failure control panel failure the LEDs flash continuously at a higher frequency 10 If no error is detected by the electronics one flash then after two seconds it turns on the feed voltage for the heating element and the normal regulated operation begins 2 3 2 Installation The electrical component of the appliance is divided between two major connection points 1 The lighting panel under the light cover with fan 2 Control electronics PCB under the electrical cover 2 3 2 1 Replacing the elements under the light cover Unscrew cover mounting screw Fig 32 Snap out the light cover by slightly pulling it forward Fig 33 Figure 32 Figure 33 Figure 34 Snap out lighting panel by pushing the locking tab aside Fig 34 35 Figure 35 Figure 36 When replacing the panel pull off the PCB printed circuit board connections from the faulty panel push back on the new panel to the same position according to wiring diagram Snap lighting panel back in light casing Fig 36
12. lacing fan until prod date 28 02 2009 12 Replacing fan from prod date 28 02 2009 13 Testing and replacing the parts connecting to the control electronics PCB 2 22 22 13 Testing assambled thermal fuse essssssssse 14 Replacing temperature sensor until prod date 11 02 2009 15 Replacing temperature sensor from prod date 11 02 2009 16 Replacing heating element seseeesessss 16 Replacing main cable eseeeeeeeeseeeseeeeeeee 19 Replacing BUZZGr ccs uico crai ha ho ode a aequoe cauda ode tectae qu tee 19 Cooling aggregate tens a eee arai 19 Replacing thermo USE ec iecore timc toon ecio or aieo Ud Ro Pedes 20 Electrical wiring diagram sess 20 1 The appliance 1 1 Specifications The appliance is a free standing fluid absorption cooling system refrigerator for the storage of pharmaceutical products with a capacity of 30 or 60 liters The temperature of the internal container is maintained at a value between 2 C and 8 C by the automatic thermoregulator at an environmental temperature between 10 C and 32 C The appliance is furnished with integrated electronic control including the control of interior temperature as well as fan and light control A 1 2 Warning Do not repair or clean the applia
13. n infrared optical sensor operated by the door Temperature control of the internal container is performed automatically A thermal fuse is also fitted in the electrical circuit to prevent the aggregate from overheating Should it detect any malfunctions during self test the electronics shuts down the appliance and the lighting LEDs start blinking continuously If you encounter this make sure that the appliance is not overloaded that it is level that the door was closed and that the ventilation of the cooling unit is appropriate If you find these in order unplug the appliance from the wall Socket for at least 10 seconds then re plug it in the mains The appliance then initiates basic status and starts operating 2 3 1 2 Operation of built in safety features Open door warning This omits a beep sound warning the user to close the door 20 seconds after opening the door there is an interrupted sound 1Hz 1 minute from opening the door the interrupted beep sound is faster 2Hz Fan failure warning The fan secures the circulation of air inside the refrigerator It operates when the door is closed and stops when the door is opened Door opening and closing are signaled to the control electronics by the optical sensor It warns the user with a beep sound if the fan should stop failure while the door is closed The control electronics checks potential fan failure every 20 seconds In case of error the buzzer provides a continuous be
14. nce with the power supply cord plugged in The appliance may only be operated by adults All instructions in the operating manual must be followed when operating the appliance Any repair or service of the appliance that involves disassembling electrical parts may be carried out by authorized service technicians only Certain parts of the aggregate remain hot for a while after shutdown service must be carried out with caution After any repair that involves disrupting the electrical circuit an electrical insulation resistance test must be carried out at all times see 2 3 2 2 Only appliances with compliance qualifications may be connected to the mains t is recommended to wear protective gloves for operations with possible hand injuries n order to avoid damage to the appliance the cabinet must be placed on a soft padding felt sponge 1 3 Spare parts electrical wiring diagram The lists of spare parts and electrical wiring diagrams by Product numbers can be found on the web page http www electrolux ti com A Attention Any parts that need to be replaced during repair may only be replaced by parts identical to the originals and which were chosen based on the list of spare parts Using parts other than original DOMETIC parts will result in lost warranty 2 Installation and repair operations 2 1 Tools Recommended tools Figure 1 Universal pliers 160 mm 2 pc Magnetic screwdriver handl
15. s may be installed Resistance approx 3 6 Ohm 19 2 5 Pull apart the heating cartridge and thermal limiter connector pull PCB connectors off control electronics panel X3 loosen clamp Fig 73 Secure temperature controller on boiler tube of aggregate with 2 screws Pull protecting socket onto the end of outer securing screw of temperature controller because the sharp end of screw can cause an accident Figure 74 75 Figure 75 Figure 74 Electrical wiring diagram I NY K LAP SZARA Y Z 1 PCB CONTROLLER 2 NYAK LAP VIL G T S 2 PCB LIGHTING 3 OPTIKAI SZENZOR 3 OPTICAL SENSOR 4 HOMERSEKLET RZ KEL 4 TEMPERATURE SENSOR 5 H L ZATI CSATLAKOZ 5 POWER SUPPLIER 2 6 FUTOPATRON 6 HEATING ELEMENT a 1 HOMERSEKLET KORL TOZ 7 THERMOFUSE i EH 8 NYAK LAP HANGJELZ S 8 PCB BUZZER zs e 9 VENTILATOR 9 VENTILATOR z 3 8 WITH ALARM SIGNAL Er 2 FOR SPEED MONITORING za 2 ld ERSZINEK KEK COLOURS BLUE 2 FEHER 2 WHITE 3 101 3 GREEN 4 SZ RKE 4 GRAY 5 FEKETE 5 BLACK 6 S RGA 6 YELLOW 7 BARNA 7 BROWN 43 261 8 Z LD S RGA 8 GREEN YELLOW C5 9 PIROS 9 RED 9j 4 3 1 i 5 ak
16. tion resistance meter The insulation resistance is Rszig gt 2Mohm 18 2 3 2 2 4 Replacing main cable Lay refrigerator on its door Remove aggregate cover and light cover see 2 3 2 2 Pull the PCB connector of the malfunctioning main cable off the control electronics panel X1 loosen ground loosen relieving clamp Fig 70 After replacing the main cable remounting is performed in reverse order Figure 70 Test electrical insulation resistance with a 1000 V electrical insulation resistance meter The insulation resistance is Rszig gt 2Mohm 2 3 2 2 5 Replacing buzzer Sound apparatus Lay the refrigerator on its door Remove aggregate cover and light cover see 2 3 2 2 Pull the PCB connector of the malfunctioning Buzzer off the control electronics panel X10 Fig 71 Screw off buzzer motherboard from electronic cover Fig 72 After replacing buzzer re mounting is performed in reverse order Make sure the buzzer is working appropriately After connecting the refrigerator to the mains opening the door and leaving it open for 20 25 seconds you should hear a beep sound see 2 3 1 2 Figure 71 Figure 72 2 4 Cooling aggregate Attention Not possible to replace the cooling aggregate The appliance is manufactured by integral foam molding 2 4 1 Thermo fuse mounting dismounting on from the aggregate Only thermal limiters tested with continuity tester apparatu
17. ure 59 Mark mounting position of heating element on the boiler with a permanent marker to help reinstallation Fig 60 Figure 60 Figure 61 Turn heating element toward back panel Fig 62 Push down clamp of heating element using 2 universal pliers Fig 63 Figure 63 Figure 62 Pull up clamp to about halfway on new heating element 45 mm from upper edge Fit upper edge of heating element to the marking that indicates the positioning With a firm press on the clamp push heating element onto the boiler Fig 64 Figure 64 17 Position element adjust its seating in all types the upper edge of the element has to be 13 mm from the mid section of the boilers lowest indention Turn element so that it faces the opposite way from the intake tube Figure 65 Reinsert boiler insulation snap together turn into position Reinsert boiler covers secure by bending in the casing tabs Fig 66 67 68 1 MA m i Figure 66 Figure 67 Figure 68 Thread the wire clamp of heating element onto the element wire snap clamp onto the fluid heat exchange pipe Fig 69 Figure 69 Push together the electrical connection of the heating element wire and the thermal fuse wire adjust wires Reinsert electrical cover foot frame aggregate unit casing secure with screws see 2 3 2 2 2 2 1 Place refrigerator in upright position Test electrical insulation resistance with a 1000 V electrical insula
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