Error Detection - Fujitsu ABYA30LBT Service Manual

2010.05.07
E R RO R DET ECTI ON
INDOOR UNIT
(Troubleshooting with the indoor display)
Troubleshooting at the display is possible either on the wired or wireless
remote control.
The OPERATION, TIMER and FILTER lamps operate
according to the following error contents.
Error contents
Indoor signal error
Wired remote control abnormal
Indoor room thermistor error
Indoor heat exchanger thermistor
(middle) error
Indoor heat exchanger thermistor
(inlet) error
Float switch operated
Outdoor discharge pipe temper ature
sensor error
Outdoor heat exchanger temperature
sensor (outlet) error
Outdoor temperature sensor error
Heatsink thermistor error
Compressor temperature sensor error
Indoor manual auto switch abnormal
Power supply frequency detection
error
IPM protection
CT error
Compressor location error
Outdoor fan error
Indoor fan abnormal
Discharge temper ature error
Excessiv e high pressure protection on
cooling
4-way valve abnormal
Pressure switch abnormal
Compressor temperature error
Active filter abnormal
PFC circuit error
: 0.5s on / 0.5s off (Flash)
: off
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FILTER lamp (Red)
TIMER lamp (Orange)
OPERATION lamp (Green)
OPERATION TIMER lamp
lamp (Green) (Orange)
(8 times)
(2 times) (2 times)
(2 times) (3 times)
(2 times) (4 times)
(2 times) (6 times)
(3 times) (2 times)
(3 times) (3 times)
(3 times) (4 times)
(3 times) (7 times)
(3 times) (8 times)
(4 times) (2 times)
(4 times) (4 times)
(5 times) (2 times)
(5 times) (3 times)
(5 times) (5 times)
(5 times) (6 times)
(6 times) (2 or 3 times)
(7 times) (2 times)
(7 times) (3 times)
(7 times) (4 times)
(7 times) (5 times)
(7 times) (6 times)
(8 times) (2 or 3 times)
(8 times) (4 times)
15
FILTER lamp
(Red)