Error Display Mode - Fujitsu AJ*A72LALH Series Installation Manual

10. 2.

Error display mode

Mode Code
E 1 3. 1 Communication error between Outdoor unit
Communication E 1 4. 1 Outdoor unit network communication 1 error
error E 1 4. 2 Outdoor unit network communication 2 error
E 1 4. 5 The number of indoor unit shortage
Function setting E 2 8. 1 Auto address setting error
error E 2 8. 4 Signal amplifi er auto address error
Indoor unit actuator
E 5 U. 1 Indoor unit error
error
E 6 1. 5 Outdoor unit reverse phase wire error
E 6 2. 3 Outdoor unit EEPROM access error
E 6 2. 6 Inverter communication error
E 6 2. 8 EEPROM data corrupted error
Outdoor unit PCB/
E 6 3. 1 Inverter error
Electrical compo-
E 6 7. 2 Inverter PCB short interruptions detection
nent/ Switch error
E 6 8. 1 Magnetic relay error
E 6 8. 2 Rush current limiting resistor temp rise protection
Outdoor unit transmission PCB Parallel
E 6 9. 1
communication error
E 7 1. 1 Discharge Temp Sensor1 Error
E 7 1. 2 Discharge Temp Sensor2 Error
E 7 2. 1 Compressor Temp Sensor1 Error
E 7 2. 2 Compressor Temp Sensor2 Error
E 7 3. 3 Outdoor unit Heat Ex. liquid temp. sensor error
E 7 4. 1 Outdoor Temp Sensor Error
E 7 5. 1 Suction Gas Temp Sensor Error
E 7 7. 1 Heat sink temp. sensor error
Outdoor unit sensor
E 8 2. 1 Sub-cool Heat Ex. gas inlet temp. sensor error
error
E 8 2. 2 Sub-cool Heat Ex. gas outlet temp. sensor error
E 8 3. 1 Liquid pipe temp. sensor1 error
E 8 3. 2 Liquid pipe temp. sensor2 error
E 8 4. 1 Current sensor error
E 8 6. 1 Discharge pressure sensor error
E 8 6. 3 Suction pressure sensor error
E 8 6. 4 High pressure switch 1 error
E 8 6. 5 High pressure switch 2 error
7 segment LED display:
Description
Outdoor unit actua-
tor error
Refrigerant system
abnormal
Mode Code
E 9 2. 1 Compressor 2 error
E 9 2. 2 Compressor 2 overcurrent error
E 9 3. 1 Inverter compressor start up error
E 9 4. 1 Trip detection
E 9 5. 5 Compressor motor loss of synchronization
E 9 7. 1 Outdoor unit fan motor lock error
E 9 7. 4 Outdoor unit fan motor undervoltage
E 9 7. 5 Outdoor unit fan motor
E 9 U. 2 Slave unit error
E A 1. 1 Discharge temperature 1 abnormal
E A 2. 1 Discharge temperature 2 abnormal
E A 3. 1 Compressor1 temperature abnormal
E A 3. 2 Compressor2 temperature abnormal
E A 4. 1 High pressure abnormal
E A 4. 2 High pressure protection1
E A 4. 3 High pressure protection2
E A 5. 1 Low pressure abnormal
E A C. 4 Heat sink temperature abnormal
Description
En-43