Gree GMV5 Compact Series - Page 76

MAINTENACE 0740
GMV5 COMPACT MULTI VRF UNIT
SERVICE MANUAL
Malfunction of high-pressure switch
Fd
E0
Fd
AC current protection
P5
P0
P5
IPM protection
P6
P0
P6
Drive IPM module protection of compressor
P7
P0
P7
Drive IPM module overheating protection of compressor
P8
P0
P8
Desynchronizing protection of inverter compressor
P9
P0
P9
High voltage protection of compressors drive DC busbar
PH
P0
PH
Drive current detection circuit malfunction of compressor
PC
P0
PC
Low voltage protection of compressors drive DC busbar
PL
P0
PL
Phase-lacking of inverter compressor
PE
P0
PE
Drive charging circuit malfunction of compressor
PF
P0
PF
Demagnetization protection
PU
P0
PU
Communication malfunction between indoor and outdoor
unitsd controller
C0
C0
C0
Communication malfunction between main controller and
inverter compressor driver
C2
C2
C2
Phase-lacking protection of power
U3
E0
U3
Malfunction of fan
H0
H0
H0
1.1.2 Error code of limiting frequency reduction protection
Error Item
Code
Display
Limited frequency reduction for high pressure protection
FA
Only the outdoor unit displays
the code
Limited frequency reduction for low pressure protection
FH
Limited frequency reduction for discharge temperature protection
F9
Limited frequency reduction for AC current protection
F8
Limited frequency reduction for power protection
FC
Limited frequency reduction for IPM temperature protection
FL
1.1.3 Operation code
Operation
Code
Display
Trail run
A0
Both units display the code
Fluorine recycle
A2
Defrosting
A3
Oil return
A4
Testing online
A5