GCHV CHV Mini Series, Руководство по обслуживанию, Страница: 115 / 128

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CHV
Mini
Series
Ser
vice
Manual
CHV Mini VRF 50/60Hz
4. Error Code Table
Fault Code Fault Contents Remarks
E1 Outdoor unit phase sequence fault
E2 Communication fault between indoor unit and outdoor unit 20-minute break at first or 2-minute break later
E4 T4 ambient temperature sensor fault
E6 T3 condenser pipe temperature sensor fault (outlet)
E8 TP exhaust temperature sensor fault
E9 AC over-voltage / under-voltageprotection
E10 EEPROM fault
EA T3B condenser temperature sensor fault (middle)
Eb Reserved
EC T7/TS refrigerant cooling pipe inlet temperature sensor fault
E.E Model error(there is no dialing model in the EEOPROM)
H0 Communication fault between master chip and DSP
H4 Display P6 (IPM module protection) for 3 times within 30 minutes
H5
Display P2 (Low pressure protection) for 3 times within 30 minutes
20-minute break at first or 2-minute break later
H6
Display P4 (TP Exhaust temperature protection)
for 3 times within 100minutes
Only restore after power on again
H7 The decrease in quantity of indoor unit
Indoor units are lost for more than 3 minutes. It
can't be restored until quantity of indoor units
are restored.
H9 Display P9 (DC fan protection) for 2 times within 10 minutes Only restore after power on again
H10 Display P3 (Overcurrent protection) for 3 times within 60 minutes Only restore after power on again
H11 Display P13 protection for 2 times within 10 minutes Only restore after power on again
H12 Display Pb protection for 3 times within 60 minutes
P1
High pressure protection
P2
Low pressure protection
P3
Overcurrent protection
P4 Exhaust overheating protection
P5 T3 or T3B condenser pipe overheating protection
P6 IPM protection
P9 DC fan fault
P10 Anti-typhoon protection
P11 T2 high temperature protection when in heating mode
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 low voltage protection
L2
DC high voltage protection
L4
MCE fault / synchronous / closed loop
L5 Zero speed protection
L6 Reserved
L7 Compressor phase loss protection
L8
Protection when the speed change at the previous moment and the
latter moment 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 Refrigerant cooling module temperature is too high