Fujitsu AOY90 User Manual

Operation Lamp Timer Lamp Swing Lamp
Error contents
0.1 sec. ON / OFF
flashing
0.1 sec. ON / OFF
flashing
Model data error
0.5 sec. / 0.5 sec.
flashing 2 times
0.1 sec. ON / OFF
flashing
0.5 sec. / 0.5 sec.
flashing 3 times
0.1 sec. ON / OFF
flashing
0.5 sec. / 0.5 sec.
flashing 3 times
0.1 sec. ON / OFF
flashing
0.5 sec. / 0.5 sec.
flashing 3 times
0.1 sec. ON / OFF
flashing
Heat exchanger outlet tempera-
ture thermistor error
0.5 sec. / 0.5 sec.
flashing 4 times
0.1 sec. ON / OFF
flashing
Drain error(Float switch operati-
on)
0.5 sec. / 0.5 sec.
flashing 5 times
0.1 sec. ON / OFF
flashing
Serial communication error
0.5 sec. / 0.5 sec.
flashing 6 times
0.1 sec. ON / OFF
flashing
Indoor fan error
0.1 sec. ON / OFF
flashing 7 times
0.1 sec. ON / OFF
flashing
Discharge temperature thermis-
tor error
0.5 sec. / 0.5 sec.
flashing once
0.5 sec. / 0.5 sec.
flashing 2 times
Model data error
Thermister(CN19) open or short-circuited.
Room temperature thermister error.
Heat exchanger inlet thermister(CN20 1,2PIN) open or short-circuited.
Indoor heat exchanger inlet temperature thermistor error.
Heat exchanger inlet thermister(CN20 3,4PIN) open or short-circuited.
Indoor heat exchanger intermediate temperature thermistor error.
Heat exchanger outlet thermister(CN20 5,6PIN) open or short-circuited
Indoor heat exchanger outlet temperature thermistor error.
PCB fault.
Drain error (Float switch operation) The float switch operates and if there is no recovery within 3 minutes.
Inside of the hose stuffed, drain pump/float switch and PCB fault.
Serial communication error (between air conditioner unit and wired remote controller)
PCB fault.
* When the indoor fan motor rotation is differ from the required rotation on the indoor fan phase control model(AB30-54), the in-
Indoor fan error.
Discharge temperature thermistor error.
Discharge thermistor (CN 21) open or short-circuited.
Room temperature thermistor
error
Heat exchanger inlet tempera-
ture thermistor error
Heat exchanger intermediate te-
mperature thermistor error
8-1-2 ABNORMAL OPERATION DISPLAY
0.5 sec. / 0.5 sec.
flashing 3 times
0.1 sec.ON/ OFF 0.5 sec. ON / OFF
flashing 2 times
Dduplicate indoor unit numbers,Nu-
mber of indoor units exeeds limit
0.1 sec. ON / OFF
flashing
0.5 sec. ON / OFF
flashing 3 times
Outdoor unit error
0.5 sec. ON / OFF
flashing 2 times
0.5 sec. ON / OFF
flashing 3 times
(When float switch is turned to ON, the compressor and the indoor fan stopped)
AB30-54: Indoor fan motor line(CN 4) or feedback line (CN 16) is disconnected/bad connected, PCB and indoor fan motor fault.
door fan becomes faulty due to the rotation does not feedback.
Doubled indoor address and excessive connecting units.
Indoor unit address is doubled or units to be connected are excessive.
Outdoor unit error.
Outdoor unit faulty.
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Fujitsu AOY90 Specifications

General

Brand	Fujitsu
Model	AOY90
Category	Air Conditioner
Language	English