Troubleshooting - Chigo CCA-18HVR1 Technical Manual

R410A50Hz Universal Outdoor Series Technical Manual

12 Troubleshooting

Fault code Table
Fault Description
Three-phase power phase
sequence fault
Indoor and outdoor unit
communication failure
Temperature sensor (T1) fault
Pipe temperature sensor in the
evaporator (T2) fault
Pipe temperature sensor in the
evaporator (T2B) fault
Outdoor unit failure
The indoor unit EEPROM fault
Water over protection
Indoor unit with line controller
communication failure
Indoor air blower stall protection
Note: The flash frequency for each of the above indicator is 2.5Hz, slow flashing frequency is 1Hz
94
4LED fault indication
Timing lights flash
Running lights flash
Running lights flash
Running lights flash
Defrost lights flash slowly
Warning lights flash
GUANGDONG CHIGO HEATING & VENTILATION EQUIPMENT CO., LTD.
Digital display Wired controller display
E0
E1
E2
E3
E4
E5
E7
EE
E9
F0
E0
E1
E2
E3
E4
E5
E7
EE
E9
F0