Fujitsu AB*14LBAJ Service Instruction page 47

2-1-4 WIRED REMOTE CONTROLLER DISPLAY (For AR*F09 - 22L)
1. SELF - DIAGNOSIS
When "EE" in Temperature Display is displayed, inspection of the air conditioning system is necessary.
Please consult authoilzed servise personnel.
Unit number (usually 0)
SU MOTU WETH FR SA
ex. Self-diagnosis check
Error code
Communication error
Communication error (Serial reverse transfer error)
Room temperature sensor error
Indoor heat exchanger temperature sensor error
Outdoor heat exchanger temperature sensor(outlet) error
Water drain abnormal
Outdoor temperature sensor error
Outdoor discharge pipe temperature sensor error
Discharge temperature error
Indoor fan motor abnormal
Outdoor communication signal error (Forward transfer signal error)
Compressor temperature sensor
Pressure switch error
IPM error
CT error
Compressor rotor location cannot detect
Outdoor unit fan motor error
2-way valve temperature
3-way valve temperature
Main CPU - sub CPU communication error
Connected indoor unit error
Indoor manual auto switch error
Exessive high pressure protection on cooling
Communication error
Communication error
4-way valve error
If "CO" appears in the unit number display, there is a remote controller error.
Refer to the installation instruction sheet included with the remote controller.
Error code
Error contents
(indoor unit remote control)
error
thermistor error
thermistor error
(Main PCB Display PCB)
(Main PCB Display PCB)
(permanent stop)
02-09
Trouble
shooting
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30
10
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