Error Display; Indoor Unit Display - Fujitsu AB 14LBAJ Series Service Instruction

2. TROUBLESHOOTING

2-1 ERROR DISPLAY

2-1-1 INDOOR UNIT DISPLAY

1. ERROR DISPLAY
Please refer the blinking pattern as follows.
For AS*7/ 9/ 12LMACW
Large division indication
Error contents
Thermistor error Red lamp
(indoor unit) Green lamp
Control unit error Red lamp
(indoor unit) Green lamp
Red lamp
Serial error
Green lamp
Fan motor error Red lamp
(indoor unit) Green lamp
Thermistor error Red lamp
(outdoor unit) Green lamp
Pressure switch Red lamp
error Green lamp
Control unit error
Red lamp
(outdoor unit)
Green lamp
Red lamp
Inverter error
Green lamp
Red lamp
Indoor EEPROM
abnormal error
Green lamp
When an error occurs, "Large division indication" is indicated first.
Secondly, "Small division indication" is indicated by pushing "Test run" button of remote controller.
LED indication
Room temperature thermistor error
(2 times)
Indoor heat exchanger temperature
thermistor error
Forced auto switch error
(4 times)
Power supply frequency detection error
Communication error
(Serial reverse transfer error)
(5 times)
Outdoor communication signal error
(Forward transfer signal error)
Indoor fan motor lock error
(6 times)
Indoor fan motor speed error
Outdoor discharge pipe temperature
thermistor error
Outdoor heat exchanger temperature
thermistor error
Outdoor temperature thermistor error
(2 times)
Compressor temperature
2-way valve temperature
3-way valve temperature
Pressure switch error
(3 times)
Connected indoor unit error
(4 times)
Outdoor unit fan motor error
IPM error
(5 times)
Compressor rotor location cannot detect
(permanent stop)
Indoor EEPROM abnormal
(Model No.)
Operation lamp : Red lamp
Timer lamp
Small division indication
Error contents
thermistor error
thermistor error
thermistor error
02-01
: Fast flashing
: Slow flashing
: Green lamp
LED indication
Red lamp
Green lamp (2 times)
Red lamp
Green lamp (3 times)
Red lamp
Green lamp (2 times)
Red lamp
Green lamp (4 times)
Red lamp
Green lamp (2 times)
Red lamp
Green lamp (3 times)
Red lamp
Green lamp (2 times)
Red lamp
Green lamp (3 times)
Red lamp (2 times)
Green lamp
Red lamp (4 times)
Green lamp
Red lamp (6 times)
Green lamp
Red lamp (8 times)
Green lamp
Red lamp (9 times)
Green lamp
Red lamp (10 times)
Green lamp
Red lamp (2 times)
Green lamp
Red lamp (2 times)
Green lamp
Red lamp (3 times)
Green lamp
Red lamp (2 times)
Green lamp
Red lamp (5 times)
Green lamp
Red lamp (2 times)
Green lam
Trouble
shooting
3
4
25
26
2
11
10
8
5
7
12
21
22
13
23
18
14
17
9