Error Detection; Serial - Fujitsu ASU9RLS Service Manual

ERROR DETECTION

Error
Serial signal error
Indoor unit
thermistor error
Outdoor unit
thermistor error
Indoor unit control error
Outdoor unit
control error
Indoor fan motor error
Refrigerant cycle error
Optional function error
Model information error
2009.02.17
Indoor unit LED
Operation
Timer LED
LED
2 flash
3 flash
Off 4 flash
5 flash
8 flash
2 flash
2 flash
3 flash
2 flash
3 flash 3 flash
4 flash
4 flash 2 flash
2 flash
3 flash
5 flash
5 flash
6 flash
2 flash
6 flash
3 flash
2 flash
7 flash 3 flash
4 flash
2 flash
8 flash
4 flash
0.1 sec on/off 0.1 sec on/off 0.1 sec on/off
Wired
Error
remote
Coil dry
control
LED
off 01 Serial signal (reverse) error, at operation start up
off
01 Serial signal (reverse) error, during oeration
13 Serial signal (forward) error, at operation start up
off
off
13 Serial signal (forward) error, during operation
off 00 Wired remote control error
off
02 Indoor air thermistor error
off 04 Heat exchanger middle thermistor error
off Discharge pipe thermistor error
0C
Heat exchanger thermistor error
off 06
Outdoor air thermistor error
off 0A
Manual auto button welded
off
20
17 Current trip error
off
off 18 CT abnormal
1A Compressor location detection error
off
off
1B Outdoor unit fan drive system abnormal
off
12 Abnormal lock (upper fan motor)
off
12 Abnormal rotation (upper fan motor)
off
0F Discharge temperature abnormal
off
24 Cooling high pressure abnormal rise
2C
off
DC 4-way valve and expansion valve abnormal
off 19 Active filter abnormal (first time)
25
off
PFC circuit error
11 Model information error
10