Gree KFRS-9/Na-M - 16. Common Errors and Solutions

Usage and Installation Manual for Combination Heat Pump Water Heater
28
exchanger
E. Inadequate water flow volume
● Clean heat exchanger and filter
● Increase water flow volume
6. Compressor operates
but the unit doesn’t heat
A. All refrigerant is leaked
B. Compressor error
● Check, repair and charge
refrigerant
●Replace compressor