Error Contents - Fujitsu AOYS18LDC Service Manual

ERROR CONTENTS

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
2006.06.23
Display
Operation
Timer LED
LED
2 flash
3 flash
Off
4 flash
5 flash
2 flash
2 flash
3 flash
2 flash
3 flash 3 flash
4 flash
2 flash
3 flash
4 flash 4 flash
7 flash
8 flash
2 flash
3 flash
5 flash
5 flash
6 flash
2 flash
6 flash
3 flash
2 flash
7 flash
3 flash
8 flash 4 flash
0.1 sec on/off 0.1 sec on/off
Error
Serial signal (reverse) error, at operation start up
Serial signal (reverse) error, during operation
Serial signal (forward) error, at operation start up
Serial signal (forward) error, during operation
Indoor temperature thermistor open / short
Heat exchanger middle thermistor open / short
Discharge thermistor open / short
Heat exchanger thermistor open
Outdoor temperature thermistor open / short
Forced automatic SW welded
Main relay welded
Power interruption error
VDD permanent stop protection
reverse VDD permanent stop protection
Current trip error
CT abnormal
Compressor location detection error
Outdoor unit fan drive system abnormal
Abnormal lock
Abnormal rotation
Discharge Temperature abnormal
Cooling high pressure abnormal rise
PFC circuit error
Model information error
10