Gree GRS-2.4/D270ANbA-K - Page 36

Air Source Heat Pump Water Heater
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The water heater stops operation and
the wired controller displays E4
Discharge protection
The water heater stops operation and
the wired controller displays E6
Communication malfunction
The water heater stops operation and
the wired controller displays EH
Binding protection for accessorial electric
heater
The water heater stops operation and
the wired controller displays F3
Malfunction of outdoor ambient
temperature sensor
The water heater stops operation and
the wired controller displays F4
Malfunction of discharge temperature
sensor
The water heater stops operation and
the wired controller displays F6
Malfunction of tube temperature sensor for
outdoor heat exchanger
The water heater stops operation and
the wired controller displays Fd
Malfunction of suction temperature sensor
The water heater stops operation and
the wired controller displays FE
Malfunction of upper temperature sensor of
water tank
The water heater stops operation and
the wired controller displays FL
Malfunction of lower temperature sensor of
water tank
The water heater stops operation and
the wired controller displays L6
Unit’s capacity is insufficient
There’s harsh sound during operation;
There’s off-flavor during operation;
Air switch or leakage protection switch
breaks off frequently.
There may be risk for the safety. Please
stop operation immediately and cut off the
power.
The unit will be defrosted if the ambine
temperature is high （＞10℃）
Abnormal operation for the unit
After-sales service
If there’s quality or other problems for the Gree products, please contact with Gree
local appointed maintenance center.
If this manual is lost, please contact with Gree local appointed dealer.