Mitsubishi Electric PU(H)Y-P250YGM-A Service Handbook page 121

[ IX Troubleshooting ]
Error
Prelimi-
(prelim-
Error nary
inary)
Code error
detail
code
code
5101 1202
5102 -
5103 -
5104 -
5105 1205
5106 1221
5107 1216
5108 1217
5110 1214
(Note)
5201 1402
[115]
[116]
[117]
5301 4300
[118]
[119]
[120]
6600 -
6601 -
6602 -
6603 -
6606 -
6607 -
6608 -
6831 -
6832 -
6833 -
6834 -
Error code definition
Temperature sensor
-
failure
Temperature sensor
-
failure
Temperature sensor
-
failure
Temperature sensor
-
failure
Temperature sensor
-
failure
Temperature sensor
-
failure
Temperature sensor
-
failure
Temperature sensor
-
failure
01
Temperature sensor
05
failure
- High pressure sensor failure (OC: HPS)
ACCT sensor failure
DCCT sensor failure
ACCT sensor circuit failure
DCCT sensor circuit failure
IPM open/Disconnected ACCT connector
ACCT faulty wiring detection
- Address overlaps
- Polarity setting error
- Transmission processor hardware error
- Transmission circuit bus-busy
Communication error with the transmission pro-
-
cessor
- No ACK
- No response
MA communication transmission error
-
(No receipt)
- MA communication receipt error (Synchronization)
MA communication transmission error (Hardware
-
error)
MA communication transmission error
-
(Start bit detection error)
Suction air temperature
(TH21)
Discharge air temperature
(TH11, TH12)
Indoor piping (TH22)
Gas side pipe (TH23)
Outlet temperature (IC)
(TH24)
Pipe (TH5)
Outside air temperature
(TH6)
SC coil outlet (TH7)
SC coil bypass outlet (TH8)
Heatsink (THHS)
- 112 -
Searched unit
Notes
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 O O
O O
O O
O O
O O