Error Detection; Remote Control; Troubleshooting At The Remote Control Lcd; Self-Diagnosis - Fujitsu AUYF18LBL 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.
2009.01.13
Error code
Ex. Self-diagnosis
Error
Error contents
code
01
13
Indoor signal error
26
27
00 Wired remote controller abnormal
02 Indoor room temperature sensor error
Indoor heat exchanger temperature sensor
04
(middle) error
Indoor heat exchanger temperature sensor (inlet)
28
error
09 Float switch operated
0c Outdoor discharge pipe temperature sensor error
Outdoor heat exchanger temperature sensor
06
(outlet) error
0A Outdoor temperature sensor error
0E Heat sink thermistor (Inverter) error
15 Compressor temperature sensor error
1d 2-way valve temperature sensor error
1E 3-way valve temperature sensor error
Outdoor heat exchanger temperature sensor
29
(middle) error
2d Heat sink thermistor (P.F.C.) error
20 Indoor manual auto switch abnormal
Power supply frequency detection error
2A
17
IPM protection
18 CT error
1A Compressor location error
1b Outdoor fan error
1F Connected indoor unit abnormal
1c Outdoor unit computer communication error
Inverter error
2E
12 Indoor fan abnormal
Discharge temperature error
0F
24 Excessive high pressure protection on cooling
2c 4-way valve abnormal
16 Pressure switch abnormal, Pressure sensor abnormal
2b Compressor temperature error
2F Low pressure error
19 Active filter abnormal
25
P.F.C. circuit error
30 Refrigerant circuit address set-up error
31 Master unit, Slave unit set-up error
Connected the indoor number set-up error
32
33 P.F.C. PCB error
33