Mitsubishi Electric City Multi PQHY-P72 Service Handbook page 189

[ 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 -
5109 1218 -
5112 1215 -
5110 1214 01
5111 - -
5112 - -
5115 - -
5116 - -
5201 1402 -
5203 - -
Error code definition
Suction air temperature
(TH21)
Temperature sensor Return of OA processing
failure unit (TH4)
Discharge air temperature
(TH11)
Indoor piping (TH22)
Temperature sensor
Pipes on the OA process-
failure
ing unit (TH2)
Gas side pipe (TH23)
Temperature sensor
Pipes on the OA process-
failure
ing unit (gas side) (TH3)
Pipes on the OA process-
ing unit (TH1)
Temperature sensor
failure
Outside air temperature
(TH24)
Temperature sensor
Pipe (TH5)
failure
Temperature sensor
Water pipe (TH6)
failure
Temperature sensor
Liquid temperature (TH7)
failure
Temperature sensor
SC coil outlet (TH8)
failure
Temperature sensor
Water pipe (TH9)
failure
Temperature sensor Inverter cooling heat ex-
failure changer (THINV)
Temperature sensor
Heatsink (THHS)
failure
BC controller liquid inlet
(TH11)
Temperature sensor
Bypass outlet (TH12)
failure
(BC controller)
Bypass inlet (TH15)
Intermediate(TH16)
High pressure sensor failure (OC: HPS)
/BC controller (63HS)
BC controller intermediate pressure sensor
(63HS3)
- 180 -
Searched unit
Notes
O
O
O
O
O
O
O
O
O
O (WY only)
O
O (WY only)
O (WY only)
O
O
O
O
O
O
O
O O
O