EdgeStar CWF340DZ Service Manual Download Page 26

Page: 26 / 29

- 26 -

4. TROUBLESHOOTING

4-4

REFRIGERATING CYCLE

▼

Troubleshooting Chart

LEAKAGE

PAR TIAL

LEAKAGE

Low flowing sound of

Refrigerant is heard and

frost forms

A little high -

more than

ambient room

temperature.

WHOLE

LEAKAGE

Flowing sound of Refrigerant

is not heard and frost isn't

formed.

CLOG

IN CAPILLARY

Flowing sound of Refrigerant

is heard and frost forms

A little high -

more than

ambient room

temperature.

A little high -

more than

ambient room

temperature.

A little high -

more than

ambient room

temperature.

Flowing sound of Refrigerant

is not heard and frost isn't

formed.

YES

No frost or forms

in inlet only

Faulty

Normal amount

Inject Refrigerant to

Observe the discharging

amount of Refrigerant.

No or not much

YES

Compressor.

Compressor and check

cooling operation.

Check Compressor

Clogged or restricted

Normal formed

frost in Evaporator

Find and Repair Leak

Appliance does

not get cold

enough

Appliance does

not get cold at all

Does compressor

turn on?

Is gas leak detected?

Observe refrigerant disharging point. Oil dishcharge/stain is often best indicator. indicator. Use bubbles to locate hole in line,

evaporator or condensor.

No cooling

Is oil leak detected?

• No discharging of refrigerant

• The capillary tube is faulty.

• The filter dryer is faulty.

• The condensor is faulty.

• The evaporator is faulty.

• No discharging of refrigerant

• A little refrigerant discharges

• Normal cooling is possible when

charging refrigerant of regular amount

stated on specification plate / rating

label.

• A little refrigerant discharges

• Normal cooling is possible when

charging refrigerant of regular amount

stated on specification plate / rating

label.

Does frost form on

the evaporator?

Appliance does

not get cold

enough

PARTIAL

RESTRICTION

CAUSE

STATE OF UNIT

STATE OF EVAPORATOR

TEMPERATURE

OF COMPRESSOR

COMMENTS

WHOLE

RESTRICTION

Appliance does

not get cold

Summary of Contents for CWF340DZ

Page 1: ...anty service should be performed by an authorized service representative only Document Type Service Manual Version 1 1 10162017 SERVICE MANUAL CAUTION READ ALL SAFETY PRECAUTIONS IN THIS MANUAL BEFORE SERVICING THE UNIT Multi Zone Cooler MODEL CWR461DZ CWR262DZ CWF340DZ CWR1101DZ CWR1551DZ CWR1551DD CWR1431TZ ...

Page 2: ... leakage occurs in the set 2 To prevent electric shock unplug prior to servicing 3 In case of testing with power on wear rubber gloves to prevent electric shock 4 If you use any appliances check regular current voltage and capacity 5 Don t touch metal products in cold freezer with wet hand It may cause frostbite 6 Prevent water flowing to electric elements in mechanical parts 7 When sloping the se...

Page 3: ... 3 2 PARTS IDENTIFICATION Model CWR461DZ Models CWR262DZ ...

Page 4: ... 4 2 PARTS IDENTIFICATION Models CWF340DZ Models CWR1101DZ ...

Page 5: ... 5 2 PARTS IDENTIFICATION Models CWR1551DZ ...

Page 6: ... 6 2 PARTS IDENTIFICATION Models CWR1551DD ...

Page 7: ... 7 2 PARTS IDENTIFICATION Models CWR1431TZ Seamless Stainless Door Light Carbon Filter Internal Fan Shelf Door Lock Lower control Panel Upper Control Panel Front Vent Leveling foot Door Handle ...

Page 8: ... completely If necessary make sure you remove all the contents sitting on the shelf Pull the shelf forward until the notch aligns with the plastic post on each side of the shelf track Lift the shelf until both notches pass through the posts Continue to pull the shelf forward until it is completely removed from the inner compartment Figure 4 Figure 4 WIRES SHELVES Models CWF340DZ Open the door comp...

Page 9: ...t connector figure 8 connector Figure 8 4 Pull out the LED light The LED light is like below figure 9 Figure 9 LED light in lower zone 1 Loosen one screws figure 10 Figure 10 2 Unplug the led light connector figure 11 Figure 11 5 Loosen two screws figure 12 Screw Figure 12 6 Pull out the LED light The LED light is like below figure 13 Figure 8 Figure 13 Models CWF340DZ LED Light in upper zone 1 Lo...

Page 10: ...he led light connector figure 19 Figure 19 7 Loosen two screws figure 20 Screw Figure 20 Models CWR1551DD LED Light in upper zone 1 Loosen four screws figure 21 Figure 21 Screw 2 Pull out the electrical box figure 22 Figure 22 3 Unplug all cable connectors figure 23 4 Press the plastic nail supporting the control board with forefinger and thumb figure 24 Figure 23 Figure 24 5 The LED light is like...

Page 11: ...ht connector figure 29 Light connector Figure 29 5 Loosen the LED light five fixer Take out the LED light figure 30 Figure 30 6 The LED light is like below figure 31 Figure 31 Models CWR1431TZ LED light in upper zone 1 Loosen one screws figure 32 Figure 32 2 Unplug the led light connector figure 33 Figure 33 3 Loosen two screws figure 34 Screw Figure 34 4 The LED light is like below figure 35 Figu...

Page 12: ...s CWR461DZ CWR262DZ CWR1101DZ CWR1551DZ 1 Loosen four screws figure 41 2 Pull out the electrical box Figure 41 Screw 3 Unplug all cable connectors figure 42 4 Press the plastic nail supporting the control board with forefinger and thumb Figure 42 5 The control board is like below figure 43 Figure 43 6 Disassemble the display board figure 44 Figure 44 7 The display board is like below figure 45 Fig...

Page 13: ...ws 7 Press the plastic nail supporting the control board with forefinger and thumb figure 51 Figure 51 8 Unplug all cable connectors 9 The control board is like below figure 52 Figure 52 Models CWR1551DD 1 Loosen four screws figure 53 Figure 53 Screw 2 Pull out the electrical box figure 54 Figure 54 3 Loosen the two fixer from PCB board Take out the PCB board figure 55 Figure 55 3 The display boar...

Page 14: ...six screws from Air duct board C figure 61 Figure 61 6 Loosen the display PCB board connector Pull out the air duct board C Take out the front display PCB board cover from left side figure 62 Figure 62 7 Loosen the display PCB board fixer and take out the PCB board figure 63 Figure 63 8 The display board is like below figure 64 Figure 64 Display PCB board in upper zone 9 Remove the screws form air...

Page 15: ... display PCB board figure 69 Figure 69 14 The display board is like below figure 70 Figure 70 3 5 POWER BOARD TRANSFORMER Models CWR262DZ 1 Remove the screws from the box near compressor figure 71 Figure 71 2 The power board transformer as below figure 72 Figure 72 Models CWR461DZ CWR1101DZ CWR1551DZ 1 Loosen three screws figure 73 Figure 73 2 The power board transformer are like below figure 74 F...

Page 16: ...igure 78 Figure 78 Models CWR1431TZ 5 Loosen three screws figure 79 Figure 79 6 The power board transformer are like below figure 80 Figure 80 3 6 SENSOR FAN Models CWR262DZ 1 Loosen six screws Pull out the rear air duct cover figure 8 1 fan Screw Sensor Figure 81 2 Loosen screw You can replace the sensor heater fan figure 82 heater wire housing screw evaporator defrost sensor Figure 82 ...

Page 17: ...crews Pull out the rear air duct cover figure 8 6 screw sensor fan Carbon Filter sensor fan Figure 86 2 Loosen screw You can replace the sensor heater fan figure 87 defrost sensor evaporator screw wire housing heater Figure 87 Models CWR1551DZ 1 Loosen screws Pull out the rear air duct cover figure 8 8 screw sensor fan Carbon Filter sensor fan Figure 88 2 Loosen screw You can replace the sensor he...

Page 18: ...re housing screw Figure 91 Models CWR1551DD 1 Loosen screws Pull out the rear air duct cover figure 9 2 screw fan sensor fan sensor Figure 92 2 Loosen screw You can replace the sensor heater fan figure 93 screw wire housing heater evaporator screw wire housing heater evaporator Figure 93 Models CWR1431TZ 1 Loosen screws Pull out the rear air duct cover figure 9 4 fan screw sensor fan sensor sensor...

Page 19: ...CTOR Models CWR262DZ 1 Remove the clamp that is used to fix the compressor junction box figure 96 Figure 96 2 Remove the compressor junction box figure 97 Figure 97 3 Dismantle the compressor PTC starter and overload protector figure 98 Figure 98 4 The compressor PTC starter and overload protector is like below figure 99 Figure 99 Models CWR461DZ 1 Loosen one screw figure 100 Figure 100 ...

Page 20: ...load protector figure 102 Figure 102 4 The compressor PTC starter and overload protector is like below figure 103 Figure 103 Models CWR1101DZ 1 Loosen one screw figure 104 Figure 104 2 Remove the compressor junction box figure 105 Figure 105 3 Dismantle the compressor PTC starter and overload protector figure 106 Figure 106 ...

Page 21: ...or take out the box figure 108 Figure 108 2 Remove the compressor junction box figure 109 Figure 109 3 Dismantle the compressor PTC starter and overload protector figure 110 Figure 110 4 The compressor PTC starter and overload protector is like below figure 111 Figure 111 Models CWF340DZ 1 Opne the box newr compressor and take out the box figure 112 Figure 112 ...

Page 22: ...arter and overload protector is like below figure 114 Figure 114 Models CWR1431TZ 1 Open the box near compressor and take out the box figure 115 Figure 115 2 Dismantle the compressor PTC starter and overload protector figure 116 Figure 116 3 The compressor PTC starter and overload protector is like below figure 117 Figure 117 ...

Page 23: ...eck the resistance of PTC Starter Check the resistance among M C S C and M S in Motor Compressor If its normal Check the resistance of two terminals in PTC Starter If its normal YES NO Replace Compressor YES NO 2 2 3 3 Replace PTC Starter 3 Check OLP Check if applying a regular OLP NO Replace OLP ...

Page 24: ...w voltage Raise the voltage Check if current flows to starting devices Poor contacting and broken Replace each component Check current flowing in coil of Compressor Shorted Check capacity of OLP Lack of capacity The items described above are normal Coil of motor Compressor Replace the compressor Cooling ability is poor Fan motor doesn t run Check Control PCB Check current flowing in the Fan Motor ...

Page 25: ...nd expansion of the inside walls may cause popping and crackling noises The Wine Chiller is not level The door will not close properly The Wine Chiller is not level The door was reversed and not properly installed The gasket is dirty The shelves are out of position Display error code E1 The air sensor is open circuit failed Connection main control PCB is with yellow color wires Check the circuit i...

Page 26: ...ed frost in Evaporator Find and Repair Leak Appliance does not get cold enough Appliance does not get cold at all Does compressor turn on Is gas leak detected Observe refrigerant disharging point Oil dishcharge stain is often best indicator indicator Use bubbles to locate hole in line evaporator or condensor No cooling Is oil leak detected No discharging of refrigerant The capillary tube is faulty...

Page 27: ... 27 5 DESCRIPTION OF PCB Models CWR461DZ CWR262DZ CWR1101DZ CWR1551DZ Figure 55 Models CWF340DZ Figure 57 ...

Page 28: ... 28 5 DESCRIPTION OF PCB Models CWR1551DD Models CWR1431TZ ...

Page 29: ...tin TX 78754 support edgestar com service edgestar com edgestar com Warranty service should be performed by an authorized service representative only DATE REVISION NOTES 9 22 2017 Initial Document 10 16 2017 Minor Text and Title Revision ...

Search results

Summary of Contents for CWF340DZ

Reviews:

Related manuals for CWF340DZ

Brands by name

Popular brands

EdgeStar CWF340DZ, Service Manual

Search results

Summary of Contents for CWF340DZ

Reviews:

Related manuals for CWF340DZ

Brands by name

Popular brands