AirStage AO54FJ, Service Manual

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Forecast of Cause Forecast of Cause:
1.Check Remote controller / Address 4.Check EEV-KIT
1)Check Wireless Remote controller 5.Relation of outdoor unit
2)Check Wired / Simple remote controller 1)Check EEV1
2.Check operating Condition
3. Relation of Indoor unit
1)Check Fan motor
2)Check each thermistor
Check the response sound from Indoor unit with Remote control operation.(Remote control receiving Check)
NG Check the wiring of the cable between Remote control Main unit – Receiver Unit
Check custom code setting (Check custom code)
NG Refer to custom code setting procedure.
Check address setting (Address Duplication check)
Press Manual AUTO for 3 SEC. Operation LED lighting ,Timer LED flashing time = It indicates Current Address
NG It address is duplicated, perform address setting once again.
3HT or 3ST(Pressure Balance operation : OUTDOOR UNIT : LED 5 1time blink)
Oil recovery or Defrost MODE : INDOOR UNIT Operation LED 3 times blink
TEST RUN MODE :Operation LED and Timer LED Blinking at the sametime
Thmo-Control
Cold Air prevention Operation mode is wrong.
Check Point 2 : Check operating Condition (Normal function) Check Point 2 : Check operating Condition (Normal function)
Check Point 1 Check Point 1 - - 1 : Incase of Wireless Remote Controller 1 : Incase of Wireless Remote Controller
Check the Indoor unit operation by the remote control operation.(Remote control receiving
Check)
NG Check the wiring of the cable between Remote control Main unit – Control PCB
Check address setting (Address Duplication check)
press (START/ STOP) at the some time Current Address indicate
NG If the address is duplicated, conduct the address setting once again.
Check Point 1 Check Point 1 - - 2 : Incase of Wired / Simple Remote Controller 2 : Incase of Wired / Simple Remote Controller
Check Point 3 Check Point 3 - - 2 : Check Indoor unit Thermistor 2 : Check Indoor unit Thermistor
Check Room temp. Thermistor (TROUBLE SHOOTING 11) (TROUBLE SHOOTING 11)
Check Heat exchanger Temp. thmistor (TROUBLE SHOOTING 12) (TROUBLE SHOOTING 12)
Check heat exchanger temp. center thermistor (TROUBLE SHOOTING 13) (TROUBLE SHOOTING 13)
Check Point 4 : Check EV - KIT Check Point 4 : Check EV - KIT
Check EV- KIT
Check if Strainer is clogged
Check EV- KIT (PARTS INFORMATION 11) (PARTS INFORMATION 11)
Check Point 5: Check Point 5:
Relation of outdoor unit Relation of outdoor unit
Check Outdoor unit EEV1
Check EEV1 (PARTS INFORMATION 10) (PARTS INFORMATION 10)
Check Point 3 Check Point 3 - - 1 : 1 :
Check Indoor unit Fan motor Check Indoor unit Fan motor
Check if Fan motor can e rotated by hand.
Check FAN / Motor
Check FAN MOTOR ( PARTS INFORMATION 13 PARTS INFORMATION 13 15) 15)
3. INDOOR UNIT DOES NOT
OPERATE
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