service manual 9. maintenance...discharge temperature sensor is open/short circuited f5 ¿ ¿ during...

44 Installation and Maintenance

Service Manual

9. Maintenance9.1 Precautions before Maintenance

-pacitor after power off.

-

--

nance safely.

A

B

AB

discharge resistance orplug of soldering iron

45Installation and Maintenance

Service Manual

9.2 Error Code List

NO.MalfunctionName

Display Method of Indoor Unit

Display Method of Outdoor Unit

(Indicator has 3 kinds of display status and they will be displayed circularly every 5s.) A/C status Possible Causes

Dual-8Code

Display

Indicator Display (during blinking, ON 0.5s and OFF 0.5s)

□OFF■Illuminated Blink

OperationIndicator

CoolIndicator

HeatingIndicator

D5(D40)

D6(D41)

D16(D42)

D30(D43)

1

High pressureprotection of system

E1

During cooling and dryingoperation, except indoor fan operates, all loads stop operation.During heating operation, the complete unit stops.

Possible reasons: 1. Refrigerant was superabundant; 2. Poor heat exchange (including

and bad radiating environment );Ambient temperature is too high.

2 Antifreezingprotection E2

During cooling and dryingoperation, compressor andoutdoor fan stop while indoor fan operates.

1. Poor air-return in indoor unit;2. Fan speed is abnormal;3. Evaporator is dirty.

3

High dischargetemperatureprotection ofcompressor

E4

During cooling and dryingoperation, compressor andoutdoor fan stop while indoor fan operates. During heatingoperation, all loads stop.

Please refer to the malfunction analysis (discharge protection, overload).

4 Overcurrentprotection E5

During cooling and dryingoperation, compressor andoutdoor fan stop while indoor fan operates. During heatingoperation, all loads stop.

1. Supply voltage is unstable;2. Supply voltage is too low and load is too high;3. Evaporator is dirty.

5Communi-cationMalfunction

E6

During cooling operation,compressor stops while indoor fan motor operates. During heating operation, the complete unit stops.

Refer to the corresponding malfunction analysis.

6

Hightemperatureresistantprotection

E8

During cooling operation:compressor will stop while indoor fan will operate. During heating operation, the complete unit stops.

Refer to the malfunction analysis (overload, high temperature resistant).

7

PG motor (indoor fan motor) doesnot operate

H6

I n d o o r f a n , o u t d o o r f a n , compressor and electric heat tube stop operation. Horizontal louver stops at the current position.

1. The feedback terminal of PG motor is not connected tightly.2. The control terminal of PG motor isnot connected tightly.3. Fan blade rotates unsmoothly.4. Malfunctionof moto.r5. Controller is damaged.

8Malfunctionprotection ofjumper cap

C5

Operation of remote controller or control panel is available, but the unit won't act.

1. There's not jumper cap on the controller.2. Jumper cap is not inserted properly and tightly3. Jumper cap is damaged.4. Controller is damaged.

9

Indoor ambienttemperaturesensor isopen/shortcircuited

F1

During cooling and dryingoperation, indoor unit operateswhile other loads will stop; during heating operation, the complete unit will stop operation.

1. The wiring terminal between indoor ambient temperature sensor and controller is loosened or poorly contacted;2. There's short circuit due to trip-over of the parts on controller;3.Indoor ambient temperature sensor is damaged(Please check it by referring to the resistance table fortemperature sensor) 4. Main board is broken.


Service Manual

NO. MalfunctionName




Dual-8Code

Display



OperationIndicator

CoolIndicator

HeatingIndicator

D5(D40)

D6(D41)

D16(D42)

D30(D43)

10

Indoorevaporatortemperaturesensor isopen/shortcircuited

F2

The unit will stop operation as it reaches the temperature point. During cooling and drying operation, except indoor fan operates, other loads stop operation; During heating operation, the complete unit stops operation.

1. The wiring terminal between indoor evaporator temperature sensor and controller is loosenedor poorly contacted;2. There's short circuit due to the trip-over of the parts on controller;3.Indoor evaporator temperature sensor is damaged (Please check it by referring to the resistance table for temperature sensor)4. Main board is broken.

11

Outdoor ambienttemperaturesensor isopen/shortcircuited

F3

During cooling and dryingoperating, compressor stops while indoor fan operates; During heating operation, the complete unit will stop operation

Outdoor temperature sensor hasnt been connected well or is damaged. Please check it by referring to the resistance table for temperature sensor)

12

Outdoorcondensertemperaturesensor isopen/shortcircuited

F4

During cooling and dryingoperation, compressor stops while indoor fan will operate; During heating operation, the complete unit will stop operation.

Outdoor temperature sensor hasnt been connected well or is damaged. Please check it by referring to the resistance table for temperature sensor)

13

Outdoordischargetemperaturesensor isopen/shortcircuited

F5

During cooling and dryingoperation, compressor will sopafter operating for about 3 mins,while indoor fan will operate;During heating operation, thecomplete unit will stop afteroperating for about 3 mins.

1.Outdoor temperature sensor hasnt been connected well or is damaged. Please check it byreferring to the resistance table for temperature sensor)2.The head of temperature sensor hasnt been inserted into the copper tube

14

Limit/decreasefrequency due tooverload

F6

All loads operate normally, whileoperation frequency forcompressor is decreased

Refer to the malfunction analysis (overload, high temperature resistant)

15Decreasefrequency due toovercurrent

F8All loads operate normally, whileoperation frequency forcompressor is decreased

The input supply voltage is too low;System pressure is too high and overload

16

Decreasefrequency due tohigh airdischarge

F9


Overload or temperature is too high;

Malfunction of electric expansion valve (EKV)

17Voltage for DC bus-bar is too high

PH

During cooling and dryingoperation, compressor will stopwhile indoor fan will operate;During heating operation, thecomplete unit will stop operation.

1. Measure the voltage of position L and N on wiring board (XT), if the voltage is higher than 265VAC, turn on the unit after the supply voltage is increased to the normal range.2 . I f the AC input is normal , measure the voltage of electrolytic capacitor C on control panel (AP1), if its normal, theres malfunction for the circuit, please replace the control panel (AP1)

18Malfunction of complete units current detection

U5

During cooling and dryingoperation, the compressor willstop while indoor fan will operate; During heating operating, the complete unit will stop operation.

Theres circuit malfunction on outdoor units control panel AP1, please replace the outdoor units control panel AP1.

19

Overcurrentprotection ofphase current for compressor

P5


Refer to the malfunction analysis (IPM protection, loss of synchronism protection and overcurrent protection of phase current for compressor.


Service Manual

NO. MalfunctionName




Dual-8Code

Display



OperationIndicator

CoolIndicator

HeatingIndicator

D5(D40)

D6(D41)

D16(D42)

D30(D43)

20 Defrosting

Defrosting will occur in heatingmode. Compressor will operatewhile indoor fan will stopoperation.

Its the normal state

21Overloadprotection forcompressor

H3


1. Wiring terminal OVC-COMP is loosened. In normal state, the resistance for this terminal shouldbe less than 1ohm. 2.Refer to the malfunction analysis ( discharge protection, overload)

22 IPM protection H5



23 PFC protection HC


Refer to the malfunction analysis

24Desynchron-izing of compressor

H7



25 Failure start-up LC


Refer to the malfunction analysis

26

Malfunction of phase currentdetection circuit for compressor

U1

During cooling and dryingoperation, compressor will stopwhile indoor fan will operate;During heating operation, thecomplete unit will stop

Replace outdoor control panel AP1

ON 10s and OFF 0.5s


Service Manual

NO. MalfunctionName




Dual-8Code

Display



OperationIndicator

CoolIndicator

HeatingIndicator

D5(D40)

D6(D41)

D16(D42)

D30(D43)

27 EEPROMmalfunction EE



28Chargingmalfunction of capacitor

PU


Refer to the part three—charging malfunction analysis of capacitor

29Malfunction of moduletemperaturesensor circuit

P7



30Module hightemperatureprotection

P8

During cooling operation,compressor will stop while indoor fan will operate; During heating operation, the complete unit will stop

After the complete unit is de-energized for 20mins, check whether the thermal grease on IPM Module of outdoor control

whether the radiator is inserted tightly. If its no use, please replace control panel AP1.

31Malfunction of voltagedropping forDC bus-bar

U3


Supply voltage is unstable

32Voltage of DC bus-bar is too low

PL


1. Measure the voltage of position L and N on wiring board (XT), if the voltage is higher than 150VAC,turn on the unit after the supply voltage is increased to the normal range.2.If the AC input is normal, measure the voltage of electrolytic capacitor C on control panel (AP1), if its normal, theres malfunction for the circuit, please replace the control panel (AP1)

33

Limit/decreasefrequency due to hightemperature of module

EU


Discharging after the complete unit is de-energized for 20mins, check whether the thermal grease onIPM Module of outdoor control

whether the radiator is inserted tightly.If its no use, please replace control panel AP1.

34The four-wayvalve isabnormal

U7

If this malfunction occurs duringheating operation, the completeunit will stop operation.

1.Supply voltage is lower than AC175V;2.Wiring terminal 4V is loosened or broken;3.4V is damaged, please replace

.

35

Limit/decreasefrequency due toantifreezing

FH


Poor air-return in indoor unit or fan speed is too low


Service Manual

9.3 Troubleshooting for Main Malfunction

1. Malfunction of Temperature Sensor F1, F2

Troubleshooting for F1,F2 malfunction

Isthe wiring terminal between the

temperature sensor and the controllerloosened or poorly contacted?

Insert the temperaturesensor tightly

yes

Is malfunctioneliminated

Is there short circuit due to trip-over ofthe parts?

Make the parts upright

yes


Replace the mainboard with the same model.

End

no

no

Is the temperature sensor normal according

to the ResistanceTable?

no

Replace it with atemperature sensorwith the same model

no

yes

yesIs malfunctionremoved

no

yes

yes

no


Service Manual

2. Malfunction of Blocked Protection of IDU Fan Motor H6

interface terminal 2 and 3 is 15VDC

interface terminal 2 and 4

interface terminal 1 and 2 within


Service Manual

Appearance ofthe jumper cap

Troubleshooting for C5malfunction

Is there jumper cap on themainboard?

Isthe jumper cap inserted

correctly and tightly?

Replace the jumper capwith the same model

End

yes

yes

Assemble the jumpercap with the samemodel

no

Is malfunctioneliminatedno

yes

Insert thejumper cap

tightly


no

no yes


no

yes

Replace the mainboard with the same model.

3. Malfunction of Protection of Jumper Cap C5


Service Manual

4. Communication malfunction E6

Start

Cut off power, check if the wire between indoor unit and outdoorunit, and the wire inside electric box are connected correctly

Connected correctly? No

No

No

No

NoNo

No

End

Yes

Yes

Yes

Yes

Yes

Yes

Malfunction is eliminated




Replace outdoormainboard

Replace indoormainboard

Communication wire connection is broken?

Replace the wire

Is there incorrectmatch between the mainboardand the display panel or between

the indoor and outdoor mainboards?

Match them according tothe requirement

Reconnect the wire according towiring diagram

Yes


Service Manual

Test1

Test2Test3 Test4

Test5

E

G

I

H

FD

B

A

C

L

Test9

Test6

KJ

Tset7

M

N

Test11

Test10Test8

S

TTest12

1.Key detection point

Test NO Test point Corresponding component conditionTest 1 Between A and C 160V~265VTest 2 Between B and C 160V~265VTest 3 Between D and E DC 180V~380V Test 4 Electrolytic capacitor of power DC 180V~380V Test 5 Two ends of diode D15 DC 14.5V~15.6V

Test 6 Two ends of electrolytic capacitor C715 DC 12V~13V

Test 7 Two ends of electrolytic capacitor C710 DC 5V

Test 8 Two ends of electrolytic capacitor C226 DC 3.3V

Test 9 C912 DC 15V~18V

Test 10 Between M to GNDTest 11 Between N to GNDTest 12 Between S and T DC 56V


Service Manual

2.Capacity charging malfunction (outdoor unit malfunction) (AP1 below is control board of outdoor unit)

Main detection point:

N

Y

N

Y

N

Y

N

Y

N

Y

Turn on the unit and wait 1 minute

Use DC voltmeter to measure the

voltage on the two ends of electrolytic

capacitor

Voltage higher than 200V?Fault with the voltage

testing circuit on control panel AP1

Replace the control panel AP1

Measure the AC voltage between terminalL andN on wiring boardXT(power supply)

Voltage within 210VAC~250VAC?

Shut down the powerand repair the powersupply to restore therange210VAC~250VAC

power on andrestart the unit

If the fault iseliminated?

Shut down the power and wait 20 minutes; oruse DC voltmeter to measure the voltage on the two ends of capacitor (test3), until the voltage is lower than 20V

Check the connection of reactor(L in the Electrical Wiring Diagram)

If the wiring of reactor L is normal?

Connect the reactorLaccording to Elec-trical Wiring Diagr-am correctly

Re-energize andturn on the unit

If the fault iseliminated?

End



Service Manual

3.IPM protection, desynchronizing malfunction, phase current of compressor is overcurrent (AP1 below is control board of outdoor unit)



Service Manual

Energize and switch on

IPM protection occurs after the

machine has run for a period of time?

Use AC voltmeterto measure the voltage betweenterminal L and N on the wiring board XT)

If the voltage between terminal L and N on wiringboard XT is within 210VAC~250VAC?

Check the supply voltage and restore it to

210VAC~250VAC

Voltage between the two ends of celectrolytic

capacitor (test3) is

Restart theunit. Beforeprotection occurs,use DC voltmeter tomeasure the voltage

between the two ends of electrolyticcapacitor on control

panel AP1 (test3)

If the unit can work

normally?

Please confirm: 1. If the indoor and outdoor heatexchangers are dirty? If they are obstructed by other

objects which affectthe heat exchange of indoor andoutdoor unit. 2. If the indoor and outdoor fans are working normally?

3. If the environment temperature is too high, resulting inthat the system

pressure is too high and exceeds the

permissible range? 4. If the chargevolume ofrefrigerant is too much, resulting in that the systempressure is too high?

5. Other conditionsresulting in that the system pressurebecomes too high.

The connectionof capacitor C2

is loose.

Reconnect the capacitor C2 according to Electrical WiringDiagram. Then,Restart theunit.

Stop the unit and disconnect the power supply. Wait 20 minutes, or use DC voltmeter tomeasure the voltage

between the two ends ofcapacitor C2, until the

voltage is lower than 20V

Replace the capacitor C2. Then, energize and start the unit.


Take corrective actions according to TechnicalService Manual, and

then energize and start the unit.

If there is any abnormality

described above?


If the connection between AP1 and COMP is unsecure or the connection order is wrong?

Connect the control panelAP1 and compressorCOMP correctly according to the Electrical WiringDiagram. Then, energizeand start the unit.

Use ohmmeter tomeasure the resistancebetween the three terminals on compressorCOMP, and compare the measurements with the

compressor resistance on Service Manual.

If the resistance is

normal?

Use ohmmeter tomeasure the resistancebetween the two

terminals of compressorCOMP and copper tube.

Replace the compressor

COMP

Resistance higherthan 500MΩ?

Replace the control panel

AP1

END

Y N

YN

Y

N

Y

If the unit can work normallv? Y

If the unit can work normally? Y

N

N

Y

N

If the unit can worknormally? YY

N N

If the unit can work

normally?Y

Y

N

Y

N

N

Y

higher than 250V

Remove the wires on the two ends ofcapacitor C2. Then,use capacitancemeter to measurethe capacitor C2.Verify as per theParameters Sheet.

Stop the unit and disconnect the power supply. Then, check the connection ofcapacitor C2according to ElectricalWiring Diagram.

If capacitorC2 is failed?

Refer to the Electrical Wiring Diagram and check if the connectionbetween AP1 andCOMP is loose and ifthe connection orderis correct.


Service Manual

4.Diagnosis for anti-high temperature, overload protection (AP1 below is control board of outdoor unit)


1. Check if fan terminalOFAN is connected well2. Test if resistance value of any two terminals is less than 1k with ohmic meter

If the indoor and outdoorfan work well?

After the unit de-energized for 20min

Replacecontrol board

AP1

If the radiating of outdoor and indoor unit is well?

Improve theradiating

environment ofunit

Replaceoutdoor fan

Y

Replace fan capacitor C1

Anti-high temperature,overload protection

Normal protection, please use it after improve the outdoor

ambient temperature

If the outdoor ambient temperature is higher than 53 ºC?

N

Y

N

Y

N

End


Service Manual

5.Diagnosis for failure start up malfunction (AP1 below is control board of outdoor unit)


Energize the unit and start it

If the compressor wire COMP(UVW) iswell connected and connection sequence

is correct

Replace control board AP1

Replace the compressor

If malfunction is removed?

If the stop time of compressor is more than 3min?

N

If the stop time is not enough and the high and low pressure of system is not balance , please start it after 3min

Improve the connection situation of control board AP1 and compressor COMP, connect itwith wiring diagram

N

Y

N

If the refrigerant charging is too much?

Y

Does the unit start up normally?

N

Charge the refrigerant accordingto service manual

Y

Does the unit start up normally?

N

Y

End


Service Manual

6. Diagnosis for compressor synchronism (AP1 below is control board of outdoor unit)


If the compressor wire COMP(UVW) is well connected, the connection sequence

forwards to clockwise direction?

Check if the fan

terminal OFAN is

connected well

Replacecompressor

If the outdoor fan works normally?

If the stop time ofcompressor is more than

3min

Synchronism afterenergize the unit

and start it

Connectwire well

Synchronismoccurred during

operation


AP1

If the radiating of unit is well?

Remove

malfunction?

Improve the radiating of unit (clean heatexchanger and increase ventilation)

Replace fan capacitor C1

Replace

outdoor fan

Y

N

N

N

Y

Y

N

Replace

control board

AP1

Remove

malfunction?

Replacecompressor

Y

N

N

Y

If the input voltage of unitis normal?

Start to run until thepower resume normalvoltage

N

If the refrigerant is too much?

Charge the refrigerant withservice manual

Y

Y

N

YEnd

End


Service Manual

7.Diagnosis for overload and discharge malfunction (AP1 below is control board of outdoor unit)


Connect wirewell with wiring diagram

Replace EKV coil of electron

expansion valve

If the wiring terminal FA of electron expansion is well connected?

Removemalfunction?

The resistance value offirs t 4 l ead fo ot an d th e

fif th lead foot is similar,

less than 100

After the unit de-energized

for 20min

Removemalfunction?

Y

N

N

N

If the overload protector SAT is well connected?

N

Under ambient temperature, test the resistance of overload protector with ohmic

Y

Y

Replaceoverload

protector SAT

N

Y

Check refrigerant, if there isleakage, please refer to

specification


AP1

End


Service Manual

8.PFC (correction for power factor) malfunction (outdoor unit malfunction) (AP1 below is control board of outdoor unit)


Start

If the resistance value is 0

Remove PFC capacityand test resistance of

two terminals

Capacity isshort

circuit and replace it

YRe-energizethe unit and

start it

Cut the terminal of reactor,test the resistance

between two terminals ofreactor with ohmic meter

Replace the reactor

Re-energize

the unit and start it

Check the connection wireof reactor (L) ofoutdoor unit and

PFC capacity

If there is damaged short circuit

Replaceconnection

wire with circuitdiagram


AP1

Y

N

N

Y

N

N

N

N

If there is damaged short circuit

If the malfunction isremoved?



Y

Y

Y

End


Service Manual

9.Communication malfunction (AP1 below is control board of outdoor unit)


-aged

Start

Check communication circuit of outdoor unit

Problem ofcommunication

circuit

Check built-in wiring ofindoor and

outdoor unit

Connectioncorrect?

Malfunction ofcircuit is

detected withcontrol board AP1 voltage

Check connectionwire of indoor and outdoor unit withcircuit diagram

Check connectionwire of indoor and outdoor unit withcircuit diagram

If the unit is operation normal before malfunction

Y

N

Y

N

If the wiring is damaged?

If the malfunction is removed?

N

Y

N

If the malfunction is removed?

N

Replace indoor board

Replace outdoormainboard AP11

If the malfunction is

removed?

Y

N

Y

N

Y

YEnd


Service Manual

10.Diagnosis process for outdoor communication circuit

Start

Test voltage value with Test10 position indiagram withvoltage meter

Number jumping

Outdoor unit malfunction


Number jumping


Number jumping


Y

Y

Y

Y

Number jumping

The circuit ofoutdoor unit

communicationis normal

Y

N

N

N

N

End


Service Manual

motor is set too low Small wind blow

conditioner

range

Add refrigerant.

details

details

Compressor can't operate details

9.4 Troubleshooting for Normal Malfunction1. Air conditioner can't be started up

2. Poor cooling (heating) for air conditioner

3. Horizontal louver can't swing

connected well. Wrong wire connection between

or poor connection for wiring terminals

once

reliably

correctly

improper

Replace batteries for remote controllerRepair or replace remote controller

Wrong wire connection, or poor connection diagram

Connect wires according to wiring diagram to

Stepping motor is damaged Stepping motor can't operate Repair or replace stepping motor

Main board is damaged can't operate


Service Manual

7. Abnormal sound and vibration

conditioner

damping plaster between connected parts

coil Replace magnetic coil

compressor

6. Air conditioner is leaking

pipeReplace drain pipe

5. Compressor can't operate



Capacity of compressor is damaged

fan capacitor.

between compressor terminals and it's 0 Repair or replace compressor

Compressor can't operate Repair or replace compressor

4. ODU fan motor can't operate



damagedfan capacitor.

is bad and ODU compressor generates a lot of


Service Manual

10. Exploded View and Parts List10.1 Indoor Unit

18K Unit

12

34

56

78

10

9

21

11

12

13

14

15

16

1718

2019

2223

24

2526

2728

30

29

31 32 33


Service Manual

NO.Description

Part CodeQtyGWH18TC-K3DNA1B/I

CB148N031011 20012820K 1

2 Display Board 30565141 1

3 1112209105 2

4 24252016 3

5 20012821 1

6 10512225 1

7 1051222601 1

8 2611236701 1

9 1051203701 2

10 Step Motor 1501208603 1

11 7651205102 1

12 Ring of Bearing 26152025 1

13 10352045 1

14 24212139 1

15 0100238601 1

16 1252123 1

17 Motor Press Plate 26112330 1

18 1501212701 1

19 Drainage Hose 523001406 1

20 Pipe Clamp 26112188 1

21 Rear Case assy 22202361 1

22 Step Motor 1501208602 1

23 Step Motor 1521212901 1

24 10542036 2

25 Electric Box 20112181 1

26 Terminal Board 42011233 1

27 Main Board 30138000314 1

28 4202300111 1

29 20122142 1

30 2012240901 1

31 Connecting Cable 4002052317 0

32 Connecting Cable 4002054027 0

33 Remote Controller 30510137 1


Service Manual

24/28K Unit

44

4241

43

1 2 3 4 5 6 78

9

10

1112

13

14 15 16

171819

2223

24

272829303132

3334

35

3637

38 39 40

26 25

45 47

2120

46


Service Manual

NO.Description

Part CodeQtyGWH24TD-K3DNA1C/I GWH28TD-K3DNA1B/I

CB148N04101 CB148N034011 20012894U 20012894U 12 11122136 11122136 23 242520053 242520053 44 20022004 20022004 15 10512236 10512236 16 1051223701 1051223701 17 1058211601 1058211601 18 10512252 10512252 159 1051203701 1051203701 2

10 Water Tray Assy 20182148 20182148 111 22202092 22202092 112 10352420 10352420 113 76512203 76512203 114 24212041 24212041 115 01002000041 01002000013 116 01252398 01252398 117 Sensor Insert 390000451 / 118 2421204201 2421204201 119 15012134 1501213401 120 26112324 26112324 121 26112325 26112325 122 Pipe Clamp 26112071 26112071 123 2112009 02112009 124 Drainage Hose 0523001403 0523001403 125 76712012 76712012 126 Step Motor 1521212602 1521212602 127 Step Motor 1521240208 1521240208 128 73012021 73012021 229 Step Motor 1521212301 1521212301 130 Motor Holder 26152046 26152046 131 1058211501 1058211701 132 1058211501 1058211501 133 Terminal Board 42011233 42011233 134 10542036 10542036 335 Main Board 30138000314 30138000314 136 2012214209 20122142 137 Display Board 30565141 30565141 138 1592108 01592108 139 2012216401 20122164 140 1592107 01592107 141 Electric Box 2012216401 20112140 142 Electric Box Assy 2012214209 10000200218 143 Connecting Cable 4002052330 4002052330 044 Connecting Cable 4002054026 4002054026 045 390000451 390000451 146 390000598 390000598 147 Remote Controller 30510137 30510137 1


Service Manual

10.2 Outdoor Unit

GWH18TC-K3DNA1B/O(DRED) GWH24TD-K3DNA1C/O(DRED)


Service Manual

NO.Description Part Code

QtyGWH18TC-K3DNA1B/O(DRED) GWH24TD-K3DNA1C/O(DRED)CB148W03101 CB148W04101

1 15015064 15015063 1

2 01413148 / 1

3 Terminal Board 42010194 42010194 1

4 Electric Box 20113015 20115002 1

5 Radiator 49010252 49015215 1

6 Main Board 30138000287 30138000285 1

7 01413150 20125002 1

8 Electric Box Assy 10000100025 10000100026 1

9 Left Handle 26235401 26235401 1

10 Left Side Plate 01305093P 01305093P 1

11 01705259 01705125 1

12 / 01795031 1

13 01255005P 01255005P 1

14 Reactor 43130021 43130024 1

15 01232902 01235081 1

16 Condenser Assy 1163449 01163617 1

17 Rear Grill 01473043 01475020 118 Wiring clamp 26115004 71010102 1

19 3900030901 3900030902 1

20 Capacitor CBB65/CBB61 33000065 33010012 1

21 1413098 / 1

22 Handle 26235254 26235254 1

23 07133157 07133844 1

24 07130239 07130239 1

25 01713098P 01705046P 1

26 01305094P 01305090P 1

27 3063929 03163054 1

28 3123664 03073159 1

29 Magnet Coil 4300040045 4300040078 1

30 / / /

31 00103807 0010505701 1

32 0280306203P 01205816P 1

33 Drainage Connecter 06123401 06123401 1

34 6813401 06813401 3

35 10335008 10335008 1

36 20113003 / 1

37 1535013 01535013P 1

38 22415002 22415002 1


Service Manual

GWH28TD-K3DNA1B/O(DRED)


Service Manual

NO.Description Part Code

QtyGWH28TD-K3DNA1B/O(DRED)CB148W03401

1 22415003 1

2 15014034 1

3 01413426 1

4 Radiator 49010252 1

5 Main Board 30138000286 1

6 Electric Box Assy 10000100031 1

7 01715016 1

8 Terminal Board 42010194 1

9 Left Handle 26235401 2

10 Left Side Plate 01305043P 1

11 01255006P 1

12 01705437 1

13 01175092 1

14 Clapboard Assy 01233138 1

15 Condenser Assy 01163274 1

16 Rear Grill 01475013 1

17 Wiring Clamp 26115004 1

18 3900030901 1

19 Reactor 43130183 1

20 Capacitor CBB65 3300008107 2

21 01305044P 1

22 Big Handle 26235001 1

23 07133157 1

24 01715020P 1

25 01365435P 1

26 03063736 1

27 03123843 1

28 Magnet Coil 4300040045 1

29 76715022 3

30 00105051 1

31 Drainage Connecter 06123401 1

32 02803016P 1

33 6813401 3

34 10335014 1

35 01305086P 1

36 Cabinet 01435004P 1

service manual 9. maintenance...discharge temperature sensor is open/short circuited f5 ¿ ¿ during...

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