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Coil 1 (Expansion valve ) Error
OK
OK
Indoor unit controller PCB
When the EEV1 drive circuit is open circuit
Check Point 1 : Check the connection of EEV1 connector
Check if the wire of EEV1 has damege or not
(Slash, Braking of wire, Pinching, etc. )
Check Point 4 : Check the output of EEV1 on the Main PCB
Check Point 2 : Check the EEV1 wire
Check If the connector CN10 is lose connection or not
Indoor Unit : Operation LED 5 times Flash, Timer LED 2 Times Flash,
Filter LED Continuous Flash.
Outdoor Unit : E.5U.1
Error Code : 5 2
1. EEV1 coil lose connection 2. EEV1 wire(s) cut or pinched 3. Defective EEV1 coil
4. Controller PCB (DC 12V) output abnormal
5. Noise momentary open, voltage drop
Trouble shooting 25 E52. 1
Indicate or Display:
Detective Actuators:
Detective details:
INDOOR UNIT Error Method:
Forecast of Cause :
Check if the DC 12 is on between the pin No.1 of CN10 and
Pin No.6 of CNB01 (GND)
(Disconnect the wire of EEV1 when you check the output of EEV1 )
OK
Check if the circuit of EEV coil winding is good or not
(Refer to the service parts Information 13 )
Check Point 3 : Check the EEV1 Coil
Check Point 5 : Noise, momentary open, voltage drop
Check if temporary voltage drop was not generated.
Check if momentary open was not generated.
Check if ground is connection correctly
or there are no related cables near the power line.
OK
Replace EEV1 coil
NG
Replace EEV1 coil
NG
Replace Main PCB
NG
04-35
Summary of Contents for AB* A12GATH
Page 5: ...1 TEST RUN ...
Page 28: ...2 OUTDOOR UNIT OPERATION CONTROL ...
Page 52: ...3 INDOOR UNIT OPERATION ...
Page 75: ...4 TROUBLE SHOOTING ...
Page 203: ...5 APPENDING DATA UNIT ...
Page 210: ...05 07 LOW STATIC PRESSURE DUCT TYPE MODEL ARXB24GALH ARXB30GALH ARXB36GALH MODEL ARXB45GALH ...
Page 213: ...05 10 MODEL ARXC36GBTH MODELS ARXC72GBTH ARXC90GBTH ...
Page 214: ...FLOOR CEILING TYPE MODELS AB A12GATH AB A14GATH AB A18GATH AB A24GATH 05 11 ...
Page 215: ...CEILING TYPE MODELS AB A30GATH AB A36GATH AB A45GATH AB A54GATH 05 12 ...
Page 217: ...05 14 WALL MOUNTED TYPE MODELS AS A04GACH AS A07GA H AS A09GA H AS A12GA H AS A14GA H ...
Page 218: ...05 15 MODELS AS A18GA H AS A24GA H AS A30GA H ...
Page 219: ...05 16 MODEL ARXH054GTAH OUTDOOR AIR UNIT MODEL ARXH072GTAH ...
Page 220: ...05 17 MODEL ARXH096GTAH ...
Page 221: ...MODELS AJ 072LALBH AJ 090LALBH AJ 072LATBH AJ 090LATBH 05 18 5 2 2 Outdoor Unit ...
Page 225: ...6 DISASSEMBLY PROCESS ...
Page 226: ......