Hybrid Heater Codes

Whirlpool heat pump water heater

Whirlpool Heat pump HPE2K60/80 error codes

Covers: Whirlpool Residential Electric Heat Pump Water Heater HPE2K60HD045V / HPE2K80HD045V (Use & Care Guide 317252-002)

Every code listed in Whirlpool's own manual for this series, with what it means and what Whirlpool says to do. Last checked 2026-10-03.

Is this your model? Whirlpool's literature finder links this guide (317252-002) for HPE2K60HD045V and HPE2K80HD045V. The guide says these are made under license by American Water Heater Company. Faults appear as text messages on the LCD.

CodeLabelWhat the manual says it means
UPPER ELEMENT CONNECT FAULTUpper element is not functioning
LOWER ELEMENT CONNECT FAULTLower element is not functioning
HEAT PUMP CONNECT FAULTHeat Pump compressor is not functioning.
FAN CONNECT FAULTHeat Pump fan is not functioning.
AMBIENT TEMP SENSOR SHORT OR OPEN OR AD ERRORAmbient Temperature Sensor is not functioning.
UPPER TEMP SENSOR SHORT OR OPEN OR AD ERRORUpper Temperature Sensor is not functioning.
LOWER TEMP SENSOR SHORT OR OPEN OR AD ERRORLower Temperature Sensor is not functioning.
DISCHARGE TEMP SENSOR SHORT OR OPEN OR AD ERRORDischarge Temperature Sensor is not functioning.
COIL TEMP SENSOR FAULT OR AD ERRORCoil Temperature Sensor is not functioning.
MAIN CIRCUIT BOARD FAULTMain Circuit Board is not functioning.
HIGH TEMP LOCKOUTWater temperature in unit has exceeded 190° F.
CONDENSATE DRAIN ALARMCondensate pump failure. (If Accessory Condensate Pump is Installed)
LOW WATER LEVEL ALARMNot enough water in the tank. (Tank not full)
COMMUNICATION ERRORNo communication between mainboard and user interface board.
ELECTRONIC POWER ANODE ERROR #Indicates the power anode is not operating properly

Whirlpool's manual for this series does not list error codes; see the troubleshooting section below.

Safety first

From the manufacturer's manual for this series.

Troubleshooting without a code

Owner maintenance

Sources