MCQUAY Service Guide Book
Diagnosis
70
Error Codes for G17 and GS01 – Inverter Y Models
Error
Codes
Error Description
Error
Codes
Error Description
00
Normal
F3
Discharge pipe overheat
U0
Insufficient gas
F6
Heat exchanger overheat
U2
DC voltage out of range
H0
Compressor sensor system abnormality
U4
Communication error
H3
High pressure switch error
U7
Signal transmission error (on outdoor
unit PCB)
H6
Position sensor abnormality
UA
Installation error
H8
AC current sensor error
UF
Communication Error (indoor and
outdoor) piping and wiring
H9
Outdoor air thermistor short / open
UH
Anti-freeze function in other room
J1
Pressure sensor error
A1
Indoor PCB error
J3
Compressor discharge pipe thermistor
short /open / misplaced
A3
Water pump error
J5
Suction pipe thermistor short/ open
A5
Antifreeze
J6
Outdoor heat exchanger
A6
Indoor fan motor abnormal
J7
Subcooling heat exchanger thermistor
short/ open
C4
Indoor heat exchanger thermistor short/
open
J8
Liquid pipe thermistor short/ open
C9
Indoor room thermistor short/ open
J9
Gas pipe thermistor abnormality
E1
Outdoor PCB error
LC
Communication error (control PCB and
inverter PCB)
E3
High pressure protection
L1
Outdoor PCB error
E4
Low pressure protection
L3
Electrical box temperature rise
E5
Compressor motor lock
L4
Heat sink overheat
E6
Compressor start-up error
L5
IPM error / IGBT error
E7
Outdoor DC fan motor lock
L9
Stall prevention
E8
Ac input over current
P1
Open phase or voltage unbalance
E9
EXV error
P4
Heat sink thermistor short / open
EA
4-way valve error
PJ
Capacity setting error
Содержание 5MDS
Страница 1: ...SERVICE GUIDE BOOK...
Страница 84: ...2012 McQuay International www mcquayup com...