Gree GRS-1.5/TD150ANbA-K - Maintenance; Fault Code

GREE AIR SOURCE HEAT PUMP WATER HEATER SERVICE MANUAL
54
MAINTENANCE
1 Fault Code
Symptom
Fault Description
The water heater stops and the wired controller displays E1.
System high pressure protection.
The water heater stops and the wired controller displays E4.
Air exhaust protection.
The water heater stops and the wired controller displays E6.
Communication failure.
The water heater stops and the wired controller displays EH.
Auxiliary electricity heating protection.
The water heater stops and the wired controller displays F3.
Outdoor ambient temperature sensor fault.
The water heater stops and the wired controller displays F4.
Air exhaust temperature sensor fault.
The water heater stops and the wired controller displays F6.
Pipe temperature sensor fault (for outdoor
heat exchanger).
The water heater stops and the wired controller displays Fd.
Air intake temperature sensor fault.
The water heater stops and the wired controller displays FE.
Upper temperature sensor fault of the water
tank.
The water heater stops and the wired controller displays FL.
Lower temperature sensor fault of the water
tank.
The water heater stops and the wired controller displays L6.
Unit capacity insufficient.