Error Detection; Remote Control; Troubleshooting At The Remote Control Lcd; Self-Diagnosis - Fujitsu AUYA45LCLU Service Manual

ER R OR D ETEC TION

REMOTE CONTROL

Troubleshooting at the remote control LCD

This is possible only on the wired remote control.

Self-diagnosis

If an error occurs, the following display will be shown.
("EE" will appear in the set room temperature display.)
Unit number
SU MO TU WE TH FR SA
If "CO" appears in the unit number display,
there is a remote control error.
Refer to the installation instruction sheet
included with the remote control.
2011.04.06
Error code
Ex. Self-diagnosis
Error
Error contents
code
01
13
Indoor signal error
26
27
00 Wired remote control abnormal
Indoor room temperature sensor error
02
04 Indoor heat exchanger thermistor (middle) error
28 Indoor heat exchanger thermistor (inlet) error
09 Float switch operated
0c Outdoor discharge pipe temperature sensor error
Outdoor heat exchanger thermistor (outlet) error
06
0A Outdoor temperature sensor error
0E
Heat sink thermistor (Inverter) error
15 Compressor temperature sensor error
2-way valve temperature sensor error
1d
3-way valve temperature sensor error
1E
29 Outdoor heat exchanger thermistor (middle) error
2d Heat sink thermistor (PFC) error
20 Indoor manual auto switch abnormal
2A Power supply frequency detection error
IPM protection
17
18 CT error
1A Compressor location error
1b Outdoor fan error
Connected indoor unit abnormal
1F
1c Outdoor unit computer communication error
Inverter error
2E
Indoor fan abnormal
12
Discharge temperature error
0F
Excessive high pressure protection on cooling
24
4-way valve abnormal
2c
Pressure switch abnormal, Pressure sensor abnormal
16
Compressor temperature error
2b
Low pressure error
2F
19 Active filter abnormal
PFC circuit error
25
Refrigerant circuit address set-up error
30
31
Master unit, Slave unit set-up error
32 Connected the indoor number set-up error
33 PFC PCB error
16