Chigo CHV Mini Series - Error Code Table

88 201908
CHV Mini Series Service Manual
CHV Mini VRF 50/60Hz
4. Error Code Table
Fault Code Fault Contents Remark
E1 Outdoor unit phase-sequence fault
E2 Communication fault between the indoor unit and the outdoor unit 20-minute break at first or 2-minute break later
E4 T4 outdoor air temperature sensor fault
E6 T3 Condenser pipe temperature sensor fault (outlet)
E8 T5 Exhaust temperature sensor fault
E9 AC over-voltage / under-voltage protection
E10 EEPROM fault
EA T3B condenser temperature sensor fault (middle)
Eb
T6 refrigerant cooling panel temperature sensor fault or temperature
protection
EC T7 refrigerant cooling pipe inlet temperature sensor fault
E.E Model error(there is no dialing model in the EEOPROM)
H0 Communication fault of master board and driver chip
H4 Display P6(IPM module protection) for 3 times within 30 minutes
H5
Display P2 (system pressure is too low) protection for 3 times within 30
minutes
20-minute break at first or 2-minute break later
H6
Display P4 (T5 Exhaust temperature is too high ) protection for 3 times
within 100 minutes
Only restore when power on again
H7 The decrease in number of indoor unit
Indoor units are lost for more than 3 minutes. It
can'tbe restored until number of indoor units
are restored.
H9 Display P9 (AC fan fault ) protection for 2 times within 10 minutes Only restore when power on again
H10
Display P3(inverter overcurrent protection) protection for 3 times within
60 minutes
Only restore when power on again
H11 Display P13 protection for 2 times within 10 minutes Only restore when power on again
P1 High pressure protection
P2 Low pressure protection
Display H5 after P2 protection for 3 times within
30 minutes
P3 Inverter overcurrent protection
P4 Exhaust overheating protection Display H6 for 3 times within 100 minutes
P5 T3 or T3B condenser pipe overheating protection
P6 IPM protection
Display H4 after P6 protection for 3 times within 30
minutes
P9 DC fan fault
Display H9 after P9 protection for 2 times within
10 minutes
P10 Anti-typhoon protection
P11 T2 high temperature protection when heating
P12 T3 overheating protection
P13 Current detection error protection
Effective for 12.5, 14,16, 18kW; no such fault for 8
and 10kw
L0 DC compressor module fault
L1 DC cable bus low voltage protection
L2 DC cable bus high voltage protection
L4 MCE fault / sync / closed loop
L5 Zero speed protection
L7 Compressor phase loss protection
L8
Protection when the speed change at the previous moment and the
lattermoment is greater than or equal to 15HZ
L9
Protection when the difference of set speed and actual operation
speed is greater than or equal to 15HZ
Pb T6 refrigerant cooling panel temperature is too high