Fujitsu ASY9LSBCW User Manual

Self-diagnosis function table (Flashing LED Display)
Applicable model : ASY9LSBCW, ASY12LSBCW
* Detailed Trouble Display (secondary level) can be indicated by pressing Test Operation button.
ERROR CONTENTS
Error Operation Timer Error Operation Timer
Serial signal Normal 1 sec Serial reverse signal error 0.1sec 0.5sec When a signal is not read continuously for 10 secs
from power relay ON immediately after operation starts
>>Cooling 0 code transmission, automatic reset
When a signal is not read for 20 secs thereafter
>>Trouble display continues and power relay OFF
>>Permanent stop
When a signal is not read continuously for 10 secs
from power relay ON immediately after operation starts
>>Cooling 0 code transmission, automatic reset
When a signal is not read for 20 secs thereafter
>>Trouble display continues and power relay OFF
>>Permanent stop
error blinking at operation start up blinking 2 times
Signal reverse signal error 0.1sec 0.5sec
during operation blinking 3 times
Serial forward signal error 0.1sec 0.5 sec Normal Serial Forward Signal can not be
at operation start up blinking 4 times received more than 10 secs
>>Releases when it becomes normal
Serial forward signal error 0.1sec 0.5sec Normal Serial Forward Signal can not be
during operation
blinking 5 times received more than 10 secs ( after receiving
effective forward transfer signal)
>>Releases when it becomes normal
Indoor unit 0.5sec 0.1sec Indoor temperature 0.1sec 0.5sec Thermistor detection value is open when
thermistor 2 times blinking thermistor open blinking 2 times AC plug is inserted
error
>>Releases when value becomes normal
Pipe thermistor 0.1sec 0.5sec Thermistor detection value is open or short
open or short
blinking 3 times when AC plug is inserted
>>Releases when value becomes normal
Outdoor unit 0.5sec 0.1sec Discharge thermistor 0.1sec 0.5sec Thermistor detection value is open or short
thermistor 3 times blinking open or short blinking 2 times
error
>>Outdoor unit stops
Releases when it becomes normal
Heat exchanger 0.1sec 0.5sec Thermistor detection value is open
thermistor open blinking 3 times
>>Outdoor unit stops
Releases when it becomes normal
Outdoor temperature 0.1sec 0.5sec Thermistor detection value is open or short
thermistor open or short blinking 4 times
>>Outdoor unit stops
Releases when it becomes normal
Indoor unit 0.5sec 0.1sec Forced automatic SW 0.1sec 0.5sec Forced Auto SW is ON for more than
control error 4 times blinking welded blinking 2 times 10 secs continuously
>>Error is indicated while it is ON
Normal Operation other than error indication
Main relay welded 0.1sec 0.5sec Serial Reverse Signal is received 1 min.
blinking 3 times after Main relay becomes OFF
>>Error is indicated while serial reverse
signal is input on normal operation
Normal operation except error indication
Power interruption error
0.1sec 0.5sec 50/60Hz is not detected after 4 secs of
blinking 4 times power ON.
>>Error is indicated and unit is stopped
Trouble Display (primary) Detailed Trouble Display (by Test Button)
Detailed Error Item
IndoorIndoorIndoorIndoorIndoor OutdoorOutdoorOutdoor
2005.02.17 7

Fujitsu ASY9LSBCW Specifications

General

Brand	Fujitsu
Model	ASY9LSBCW
Category	Air Conditioner
Language	English