Troubleshooting; Fault Display(12-18Kbtu/H); Fault Display(24-60Kbtu/H) - Chigo CCA-24HVR1 Technical Manual

R410A50Hz Universal Outdoor Series Technical Manual

9 Troubleshooting

9.1 Fault display(12-18Kbtu/h)

Display Definition of fault or protection
P3 Primary/secondary overcurrent protection
P4 Exhaust overheating protection
P5 Condenser high temperature protection
P6 Module protection
P9 Outdoor DC fan motor fault
H0 Communication fault between main board and drive
board
Current problem and can't recover
F3
F4 Ambient temperature sensor fault
F6 Condenser temperature sensor fault
F9 Outdoor unit fan motor problem

9.2 Fault display(24-60Kbtu/h)

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
214
Remark
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
3 times p3 in 60 minutes
Remark
Communication is interrupted for more than 2
minutes , 20 minutes after the initial power-on or
within 20 minutes
GD Chigo Heating & Ventilation Equipment Co., Ltd.