Fujitsu General AOH12LFBC, Service Manual

Page: 9 / 16

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Outdoor unit 0.5sec 0.1sec Current trip 0.1sec 0.5sec Current trip error is 2nd time within
start up
control error 5 times blinking blinking 2 times
>>Permanent stop
CT abnormal 0.1sec 0.5sec
Current detection value is 0A for more
than 1 sec when compressor is operated
at more than 56rps
blinking 3 times
>>Automatic release after 3 min. ST
Compressor rotation
error 0.1sec 0.5sec Compressor location detection error (incl.
failed start up) for 3 times
blinking 5 times
>>Permanent stop
Indoor fan 0.5sec 0.1sec Abnormal lock 0.1sec 0.5sec
Detected rotation is 0 r.p.m. at start up or
at 56 secs after Fan mode is selected
motor error 6 times blinking blinking 2 times
>>Permanent stop
Abnormal rotation 0.1sec 0.5sec
Detected rotation is 1/3 of target r.p.m. at
start up or at 56 secs after Fan mode is
selected
blinking 3 times
>>Permanent stop
Refrigerant 0.5sec 0.1sec Discharge temperature
abnormal 0.1sec 0.5sec
Discharge Temperature protection
(Discharge temperature is 110degC)
operated 2 times
>>Permanent stop
cycle error 7 times blinking blinking 2 times
Cooling high pressure
abnormal rise 0.1sec 0.5sec
High pressure rise protection (Outdoor
heat exchanger temperature is 65degC)
operated
>>Comp. OFF (releases after 3min.ST)
Error is indicated while 3 min.ST
blinking 3 times
Optional 0.5sec 0.1sec Active filter voltage
abnormal (3rd time) 0.1sec 0.5sec
Active Filter voltage error operated 3 times
function 8 times blinking blinking 2 times
error
>>Permanent stop
PFC circuit
abnormal 0.1sec 0.5sec
blinking 4 times
>>Permanent stop
Active filter foltage
abnormal (1st time) 0.1sec 0.5sec
Active Filter Module error or open
detection protection operated
blinking
3 times
>>Automatic release after 3 min. ST
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Outdoor unit fan drive
system abnormal 0.1sec 0.5sec When outdoor fan abnormal fan motor
duty abnormal operated 5 times
blinking 6 times
>>Permanent stop
Error Operation Timer Error Operation Timer
Trouble Display (primary) Detailed Trouble Display (by Test Button)
Detailed Error Item
2005.02.18 8