Mitsubishi Electric PUHY-HP144TSHMU-A Service Handbook page 127

[ IX Troubleshooting ]
Error
Prelimi-
(prelim-
Error nary
inary)
Code error
detail
code
code
5102 1217 -
5103 1205 00
5104 1202 -
5106 1216 -
5107 1221 -
5110 1214 01
5201 - -
[115]
[116]
[117]
5301 4300
[118]
[119]
[120]
5701 - -
6201 - -
6202 - -
6600 - -
6602 - -
6603 - -
6606 - -
6607 - -
HWE0716A
Error code definition
Indoor unit pipe tempera-
ture (TH22)
Temperature sensor OA processing unit pipe
fault temperature (TH2)
HIC bypass circuit outlet
temperature (TH2)
Indoor unit gas-side pipe
temperature (TH23)
OA processing unit gas-
Temperature sensor side pipe temperature
fault (TH3)
Pipe temperature at
heatexchanger outlet
(TH3)
OA processing unit intake
air temperature (TH1)
Temperature sensor Outside temperature
fault (TH24)
Outdoor unit discharge
temperature (TH4)
Temperature sensor HIC circuit outlet tempera-
fault ture (TH6)
Temperature sensor
Outside temperature (TH7)
fault
Temperature sensor Heatsink temperature
fault (THHS)
High-pressure sensor fault (63HS1)
ACCT sensor fault
DCCT sensor fault
ACCT sensor circuit fault
DCCT sensor circuit fault
Open-circuited IPM/Loose ACCT connector
Faulty ACCT wiring
Loose float switch connector
Remote controller board fault (nonvolatile memory
error )
Remote controller board fault (clock IC error )
Address overlap
Transmission processor hardware error
Transmission line bus busy error
Communication error between device and trans-
mission processors
No ACK error
- 118 -
Searched unit
Notes
O
O
O
O
O
O
O
Detectable
only by the All-
O
Fresh type in-
door units
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O O O O
O O O O
O O O O
O O O O
O O O O
GB