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[ IX Troubleshooting ]
- 150 -
HWE08040 GB
5102 1217 -
Temperature sensor
fault
Indoor unit pipe tempera-
ture (TH22)
O
OA processing unit pipe
temperature (TH2)
O
HIC bypass circuit outlet
temperature (TH2)
O
5103 1205 00
Temperature sensor
fault
Indoor unit gas-side pipe
temperature (TH23)
O
OA processing unit gas-
side pipe temperature
(TH3)
O
Pipe temperature at
heatexchanger outlet
(TH3)
O
5104 1202 -
Temperature sensor
fault
OA processing unit intake
air temperature (TH1)
O
Outside temperature
(TH24)
O
Detectable
only by the All-
Fresh type in-
door units
Outdoor unit discharge
temperature (TH4)
O
5105 1204 -
Temperature sensor
fault
Accumulator inlet tempera-
ture (TH5)
O
5106 1216 -
Temperature sensor
fault
HIC circuit outlet tempera-
ture (TH6)
O
5107 1221 -
Temperature sensor
fault
Outside temperature (TH7) O
5110 1214 01
Temperature sensor
fault
Heatsink temperature
(THHS)
O
5201 - - High-pressure sensor fault (63HS1) O
5301 4300
[115] ACCT sensor fault O
[117] ACCT sensor circuit fault O
[119] Open-circuited IPM/Loose ACCT connector O
[120] Faulty ACCT wiring O
5701 - - Loose float switch connector O
6201 - -
Remote controller board fault (nonvolatile memory
error)
O
6202 - - Remote controller board fault (clock IC error) O
6600 - - Address overlap O O O O
6601 - - Polarity setting error O
6602 - - Transmission processor hardware error O O O O
6603 - - Transmission line bus busy error O O O O
6606 - -
Communication error between device and trans-
mission processors
OOOO
6607 - - No ACK error O O O O
Error
Code
Prelimi-
nary
error
code
Error
(prelim-
inary)
detail
code
Error code definition
Searched unit
Notes
Outdoor unit
Indoor unit
LOSSNAY
Remote controller