Gree GKH12K3FI - Page 99

U-Match Series DC Inverter Service Manual
96
1.2 Description of Drive Malfunction
Main board dual 8 numeral tube Display Codes for Outdoor Unit of 09~48k
Malfunction Item
Indoor Unit Display
Outdoor unit display of
dual 8 numeral tube
DC busbar over-voltage protection
PH
PH
IPM or PFC over-temperature protection
P8
P8
Current sense circuit error
Pc
Pc
IPM or PFC temperature sensor error
P7
P7
Compressor current protection
P5
P5
DC busbar under-voltage protection
PL
PL
Compressor startup failure
Lc
Lc
Drive module reset
P0
P0
Compressor motor desynchronizing
H7
H7
Phase loss
Ld
Ld
Drive-to-main-control communication error
P6
P6
IPM protection
H5
H5
Compressor overload protection
H3
H3
AC current protection (input side)
PA
PA
Charging circuit error
PU
PU
PFC protection
HC(48k only)
HC(48k only)
DC fan error
H6
H6
Input AC voltage abnormality
PP
PP
Driving board memory chip error
ee(09-42k)
ee(09-42k)