Chigo CCA-18HVR1 Technical Manual page 123

R410A50Hz Universal Outdoor Series Technical Manual
9 Troubleshooting
9.1 Fault display
Display Definition of fault or protection
E1 Three-phrase power phase sequence fault
E2 Communication fault between the outdoor unit and
the mast
E4 Temperature sensor fault
E6 Condenser tube temperature sensor fault
E9 AC over-voltage/under- voltage protection
E10 EEPROM fault
H0 0513 and DSP communication fault
H4 Display P6 protection for 3 times within 30 minutes
H5 Display P2 protection for 3 times within 30 minutes
H6 Display P4 protection for 3 times within 100 minutes
H9 Display P9 protection for 2 times within 10 minutes
H10 3 times of P3 protection occurs within 60 minutes
P1 High voltage protection
P2 Low-voltage protection
P3 Primary/secondary overcurrent protection
P4 Exhaust overheating protection
P5 High voltage protection
P6 Module protection
P9 DC fan fault
P10 Anti-typhoon protection
P11 Refrigeration T2 overheating protection
P12 5 minutes continuous fault on hot air system at area
A
L0 DC compressor module fault
L1 DC bus low voltage protection
L2 DC bus high voltage protection
L4 MCE fault/sync/closed loop
L5 Zero speed protection
L7 Phase sequence error protection
L8 15Hz protection
L9 Hz Protection
120
Remark
Communication is interrupted for more than 2
minutes , 20 minutes after the initial power-on or
within 20 minutes
Unable to restore unless a second power-on
Unable to restore unless a second power-on
Unable to restore unless a second power-on
Unable to restore unless a second power-on
Unable to restore unless a second power-on
Display H5 after 3 times of P2 protection within 30
minutes
3 time of P4 protection appears within 100
minutes and then H6 occurs
3 times of P6 protection appears within 30
minutes and then H4 occurs
Display H9 after 2 times of P9 protection within 10
10 minutes
GUANGDONG CHIGO HEATING & VENTILATION EQUIPMENT CO., LTD.