background image

Fig.8

6) The process of removing the inner air-duct board A(upper, middle, lower)

Remove the shelves

( 6.1.1)

remove the air-duct board A(upper, middle, lower)

( 6.1.3)

remove the inner air-duct

board (upper, middle, lower).

After removing any one air-duct board A, remove the inner air-duct board fixing screws

(Fig.9)

pull the inner air-duct board A out.

Fig.10)

Fig.9

Fig.10

6.1.4

How to remove the heater

The process of removing the heater

Remove the shelves

( 6.1.1)

remove the air-duct board

A(upper,

lower)

( 6.1.3)

remove the inner air-duct board (upper, lower)

( 6.1.3)

remove the heater

(upper, lower).

After removing the inner air-duct board,disconnect the heater connector,remove two heater fixing

screws.the process used for both heaters

Fig.10

.

Screws

Screws

Screws

Upper air-duct A

Middle air-duct A

Lower air-duct A

Sensor and cover

Fan

Fan

connector

Sensor

connector

Evaporator

Heater

Upper inner

air-duct board

Wiring

clamp

Screws

Sensor

and cover

Screws

螺钉

Summary of Contents for WC177

Page 1: ...WC177 Caple in column wine cabinet Technical information Technical information ...

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Page 4: ...115 Foam 2 18 DG22 3266 Upper and middle air deflector 2 19 DG19 6 Fan cover 2 20 DG22 3268 Upper air duct board A 1 21 DG22 3270 Middle air duct board A 1 22 DG22 3269 Lower air duct board A 1 23 DG22 3259 Air duct board B 1 24 DG18 111 Foam 2 25 DG22 3260 Air duct board C 1 26 DG22 3261 Air duct board D 1 27 DG22 3262 Air duct board E 1 28 DG22 3281 Track 20 29A DG15 246 Wooden shelf 8 29B DG15 ...

Page 5: ... DG8 10 Sensor 3 40 DG13 198 Sensor cover 2 41 DG19 2 Fan cover 1 42 DG22 3265 Lower air deflector 1 43A DG7 48 Fan 1 43B DG17 145 1 Wire 1 44A DG7 41 BH Fan 1 44B DG17 144 1 Wire 1 45 DG14 235 R Low right hinge 1 46 DG13 3116 LED light cover 1 47 DG3 14 W LED light 1 g 48 DG13 6 15 Cabinet leg 4 49 DG12 110 2 Air circulating pipe for lower compartment 1 50 DG12 110 Air circulating pipe for upper ...

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Page 7: ...WC177 Caple in column wine cabinet Service Manual Service Manual ...

Page 8: ...e Statement Fig 4 shows the reference figure Fig 4 6 1 6 shows the reference item 6 1 6 Warning To prevent electrical shock before attempting any cleaning or maintenance this unit MUST be disconnected from the electrical supply Tools Plier Phillips head screwdriver Process pipe Electrical Multimeter Amp meter 5A caliper cable type Spanner Electrical soldering iron Wire stripper Seal plier Protecti...

Page 9: ... 1 Safety rules on operation of repairing Rules must be obeyed 3 2 Electrical circuit diagram 5 3 Cooling system diagram 5 4 Name and function on control panel 5 5 How to diagnose the fault Error Code E1 E2 E7 E8 E5 E HI LO 7 6 Gist on disassembly 11 7 How to maintain the default 21 ...

Page 10: ...ake sure to discharge the rest refrigerant in the parts When discharging refrigerant make sure that it never go to the fire place and drain to outdoors Tell the customers that they never close to the discharge place and the fire is forbidden Take apart the pipe by cutter Never take apart the part by soldering otherwise it will fire the rest refrigerant in the systems and cause blast Exhaust the re...

Page 11: ...without fire The maximum weight of the refrigerant bottle loaded in the vehicle should be comply to stated the bottle should be place upright the maximum leaning angle is 40 Do use the appointed part otherwise it have chance to smoke fire or default Please put the default compressor into plastic bag and seal the peristome then pack it with strip as the rest compressor oil may leak in the vehicle a...

Page 12: ...Attention the fins of the evaporator The fins of the evaporator may hurt the hand Drive up the wine cooler when moving it Pushing it may damage the floor Cover a protector board on the easy damage floor 2 Electrical circuit diagram See attachment 1 3 Cooling system diagram 4 Name and function on control panel 4 1 Name and function on upper and middle compartment control panel ...

Page 13: ... light illuminates to signify the cooling mode is currently in operation Notice after compressor off it can be on only after 3 minutes later so the indicator light as also on after 3 minutes 6 Middle compartment display Middle compartment inner temperature readout 7 Middle compartment upper button Used to raise warm the middle compartment temperature in 1 ºC increments 8 Middle compartment DOWN BU...

Page 14: ...any doubt about the fault of the control system please apply the self examination system The method is following 1 Press up and down at the same time turn the power enter the self examination system after hearing three beeps 2 The normal self examination phenomenon as following a No answer after pressing key b The display tune show setting temperatures c The compressor works non stop and the induc...

Page 15: ...y gas leakage Replace the compressor start or protector or repair the leakage 7 1 7 2 7 3 2 Display on single compartment a Check if the valve normal If the valve fail replace it 6 2 4 b Check if the capillary block If the capillary block replace it 6 2 5 c Check if the inner fan normal If the fan fail replace it 6 1 5 LO Low temperature warning Inner temperature too low Display on any one of uppe...

Page 16: ...on Check the power source power cord Display err code Refer to 5 2 The starter have power input The protector have power input Check the current of the compressor The starter failed The protector failed Compressor fault If the inner light can be turn on Simple way to check the power If the display have power input Display PCB failed Check the Main PCB and display PCB circuit Check the power source...

Page 17: ...et The door gasket is airproof Cooling system default No No Yes Take the hot goods away Repair or replace the door gasket Yes No Display HI Main PCB fail replace it If any hot thing near the sensor If the door can properly closed If the door opened frequently If the valve normal has power input Yes Yes Take the hot thing away Yes Yes Yes No No No No Repair the door or gasket Don t open the door fr...

Page 18: ...it as arrow B direction Fig 1 Push the end of the shelf to the side stoppers corresponding to the notches and take it out as directions C and D show Fig 2 If the lower compartment fan run normal No Check if the wiring and connection are normal Yes Replace the lower compartment fan After the wine cooler power on for 1 hour the inner temperature is lower than setting temperature range Check the PTC ...

Page 19: ...ss of removing the air duct board B Remove the shelves 6 1 1 remove the air duct board B Remove two fixing screws pull the air duct board B out Fig 4 Fig 4 2 The process of removing the air duct board C Remove the shelves 6 1 1 remove the air duct board B 6 1 3 remove the air duct board C Remove the air duct board B disconnect all connectors Fig 5 Remove the other four fixing screws pull the air d...

Page 20: ...e air duct board D disconnect all connectors Fig 7 Remove the other four fixing screws pull the air duct board E out Fig 6 The process is similar with removing the air duct C Fig 7 5 The process of removing the air duct board A upper middle lower Remove the shelves 6 1 1 remove the air duct board A upper middle lower Remove four fixing screws one any air duct board A pull the air duct board As out...

Page 21: ...o remove the heater The process of removing the heater Remove the shelves 6 1 1 remove the air duct board A upper lower 6 1 3 remove the inner air duct board upper lower 6 1 3 remove the heater upper lower After removing the inner air duct board disconnect the heater connector remove two heater fixing screws the process used for both heaters Fig 10 Screws Screws Screws Upper air duct A Middle air ...

Page 22: ...emove the sensor The process of removing the sensor on the air duct A Remove the shelves 6 1 1 remove the air duct board A 6 1 3 remove the sensor After removing the air duct board A press out the fixing nails from the back with hard tool remove the sensor cover remove the sensor from the air duct board and cover Fig 11 Fig 11 Fig 12 The process of removing the sensor on the inner air duct Remove ...

Page 23: ... How to remove the display PCB The process of removing the display PCB on air duct board C or E Remove the shelves 6 1 1 remove the air duct board B or D 6 1 3 Remove the display PCB 1 After removing the air duct board B or D disconnect the display PCB connector remove four screws under the air duct board B or D pull it outward for a certain distance and push the display PCB fixing part to the sid...

Page 24: ...CB Fig 21 Fig 22 Fig 21 Fig 22 6 2 2 How to remove the Main PCB The process of removing the Main PCB Remove the Cover of PCB 6 2 1 Disconnect the connectors Remove the Main PCB After removing the Cover of PCB disconnect all connectors press the head of the nails one by one and pull the PCB at the same time remove the PCB Fig 23 Fig 24 Air duct board C or E Dual temperature installation Display PCB...

Page 25: ... fan F2 5 Upper compartment fan F1 6 Lower compartment sensor T3 7 Middle compartment sensor T3 8 Upper compartment sensor T3 9 Door switch MKG 10 Lower display PCB one readout 11 Upper and middle display PCB two readouts 12 Condenser fan F5 13 Power L 14 Lower heater PTC2 15 Compressor COMP 16 Valve 17 Upper heater PTC1 18 Power N Nails Main PCB ...

Page 26: ...pe solder joint D Connecting pipe and compressor solder joint E Process pipe joint F Connecting pipe and upper compartment suction pipe solder joint G Lower compartment s capillary and valve solder joint H Upper compartment s capillary and valve solder joint I Valve and filter solder joint J Connecting pipe and anti dew solder joint K Condenser and filter solder joint 6 2 4 How to remove the valve...

Page 27: ...aporator or A G for lower evaporator and separate the pipe by using the plier then remove the six fixing screws of evaporator and remove the evaporator from inner cabinet Fig 10 Fig 26 6 2 6 How to remove the condenser The process of removing the condenser Disconnect the joints of condenser Fig 26 remove the condenser Notice Operate cooling pipes and compressor evaporator condenser should be in pl...

Page 28: ... minuets in order to avoid suck moist air 7 2 Check the cooling system 1 When it is sure that the compressor is working normally and the cooling system s fault is concentrating on the cooling system pipe Check following below a Cut off the discharge pipe Fig 26 item C of the compressor and infuse 0 8 1 5 MP nitrogen per process pipe and put the hand close to the cut kerf If there is a little gas l...

Page 29: ...pe of the filter Keep the vacuum running while soldering this joint 2 Fill Cooling system with refrigerant via the process pipe of the compressor Fig 26 item E Regarding refrigerant quantity Please refer to the instruction at back label of wine cooler Then solder the compressor process pipe after the system is charged with refrigerant 7 4 Running test After the procedures above finish turn the uni...

Page 30: ...oard then when refrigerant is jetting Solutions 1 Refer to 7 6 2 If the capillary touch the inner cabinet and the air duct panel adjust the position of the capillary and add the damping block 7 8 Oil jammed noise Fault intermittent and deep jet noise coming from inside of the capillary Cause Compressor oil flowing into the cooling system pipe work probably due to the capillary slightly out of alig...

Page 31: ...he compressor is running the fan should be running if the fan stop check the whether is any fault in the fan or fan connection If the fan is broken replace it with the fan of the same model 6 1 5 7 11 The digital display s missing stroke fault This malfunction is caused by the display panel s default replace with the same model s display panel 6 1 8 ATTACHEMENT 1 ...

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