R410A50Hz Universal Outdoor Series Technical Manual Duct Type Indoor Unit
GD Chigo Heating & Ventilation Equipment Co., Ltd.
14.Troubleshooting
Fault code table
4LED Faults
Failure description
Timer light flashing E2
Ambient temperature sensor (T1)
failure
Running light flashing E3
Evaporator pipe temperature sensor
(T2) failure
Defrost light flashing E5
Condenser pipe temperature sensor
(T3) failure
Water fullfilled protection
Running light, defrost light flashing E1
Indoor unit and wire controller
communication failure
Running light, timer light flashing
Indoor unit EEPROM failure
Defrost light, timer light flashing
Indoor fan stall protection
Defrost light, warning light flashing
Outdoorover-current protection
Timer light, warning light flashing E0
Indoor unit and outdoor unit
communication failure
Running light, defrost light, timer light
flashing
F3 High pressure protection
Defrost light , timer light, warning light
flashing
F4 Low pressure protection
Running light, timer light, warning light
flashing
F8
Outdoor unit exhaust temperature over-
high protection
Running light, defrost light, timer light,
warning light flashing
F9
Three-phase electricity phase
sequence failure
Note: the flashing frequency for all above indication lights is 1HZ.
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