Mitsubishi Electric PQHY-P72TYHMU-A Service Handbook page 237

[ IX Troubleshooting ]
Error
Prelimi-
(prelim-
Error nary
inary)
Code error
detail
code
code
5102 1217 -
5103 1205 00
5104 1202 -
5105 1204 -
5106 1216 -
5107 1221 -
5108 1218 -
5112 1215 -
5110 1214 01
5111 - -
5112 - -
5115 - -
5116 - -
5201 - -
5201 1402 -
5203 - -
HWE09080
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 heat
exchanger outlet (TH3)
OA processing unit intake
air temperature (TH1)
Temperature sensor Outside temperature
fault (TH24)
Heat source unit discharge
temperature (TH4)
Temperature sensor Accumulator inlet tempera-
fault ture (TH5)
Temperature sensor HIC circuit outlet tempera-
fault ture (TH6)
Temperature sensor
Water inlet pipe (TH7)
fault
Temperature sensor
Water outlet pipe (TH8)
fault
Temperature sensor Component cooler heat ex-
fault changer outlet (THINV)
Temperature sensor Heatsink temperature
fault (THHS)
Liquid inlet temperature
(TH11)
Bypass outlet temperature
Temperature sensor
(TH12)
fault
LEV3 outlet temperature
(BC controller)
(TH15)
LEV3 inlet temperature
(TH16)
High-pressure sensor fault (63HS1)
High-pressure sensor fault
(Heat source unit HPS/BC controller PS1)
Intermediate pressure sensor fault
(BC controller PS3)
- 228 -
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
GB