Error Contents; Troubleshooting - Fujitsu AUYA36LATN Service Manual

2007.02.19

ERROR CONTENTS

INDOOR UNIT

TROUBLESHOOTING

Troubleshooting with the indoor display
Troubleshooting at the display is possible either on the wired or wireless
remote control.
The OPERATION, TIMER and FILTER lamp operate as follows table ac-
cording to the error contents.
Error contents
Indoor signal error
Wired remote controller abnormal
Indoor room temperature sensor error
Indoor heat exchanger temperature
sensor (middle) error
Indoor heat exchanger temperature
sensor (inlet) error
Float switch operated
Outdoor discharge pipe temperature
sensor error
Outdoor heat exchanger temperature
sensor (outlet) error
Outdoor temperature sensor error
Heatsink sensor error
Compressor temperature sensor error
2-way valve temperature sensor error
3-way valve temperature sensor error
Outdoor heat exchanger temperature
sensor (middle) error
Indoor manual auto switch abnormal
Power supply frequency detection
error
IPM protection
CT error
Compressor location error
Outdoor fan error
Connected indoor unit abnormal
Outdoor unit computer communication
error
Indoor fan abnormal
Discharge temperature error
Excessive 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)
FILTER lamp (Orange)
TIMER lamp (Green)
OPERATION lamp (Red)
OPERATION TIMER lamp FILTER lamp
lamp (RED) (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)
(3 times) (2 times)
(3 times) (3 times)
(3 times) (4 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)
(5 times) (7 times)
(5 times) (8 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)
: OFF
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