Fujitsu AB*A30LBT User Manual

07-01
The OPERATION, TIMER and FILTER lamps operate as follows according to the error contents.
Error display
OPERATION TIMER
FILTER
(GREEN) (ORANGE)
(RED)
Error contents
:
0.5s ON / 0.5s OFF (Flash)
:
OFF
Indoor heat exchanger temperature
sensor error
Outdoor heat exchanger temperature
sensor(outlet) error
Outdoor discharge pipe temperature
sensor error
Compressor temperature sensor error
Outdoor temperature sensor error
Communication error
(Serial reverse transfer error)
Outdoor communication signal error
(Forward transfer signal error)
Trouble
shooting
Room temperature thermistor error
2
3
1
12
24
25
4
13
14
21
15
18
19
11
9
22
27
5
7
8
Discharge temperature error
Indoor fan motor abnormal
Outdoor unit fan motor error
Pressure switch error
Communication error
(Main PCB Display PCB)
Communication error
(Main PCB Display PCB)
IPM error
Compressor rotor location cannot detect
(permanent stop)
Compressor temperature error
Indoor manual auto switch error
Exessive high pressure protection on cooling
8 times
Communication error
(indoor unit remote control)
6 times
2 times
2 times
Water drain abnormal
6
6 times
2 times
3 times
2 times
2 times
3 times
3 times3 times
4 times3 times
2 times
4 times
2 times5 times
5 times5 times
6 times5 times
2 times7 times
3 times7 times
5 times7 times
28
4-way valve error
4 times7 times
6 times7 times
10
Indoor EEPROM abnormal (Model No.)
Continuous
blink
Continuous
blink
Continuous
blink
6 times
8 times
3 times
7 times
2 times
3 times
2 times
3 times
17
Active filter module (AFM) error
8 times
2 times
3 times
4 times
5 times
7. TROUBLESHOOTING
7-1 ERROR DISPLAY
7-1-1 INDOOR UNIT DISPLAY

Fujitsu AB*A30LBT Specifications

General

Brand	Fujitsu
Model	AB*A30LBT
Category	Air Conditioner
Language	English