What should I do if my Whirlpool Hybrid Electric Heat Pump Water Heater displays the “E51” error code?

CAUTION: Before attempting any corrective actions, ensure the power to the water heater is turned off at the circuit breaker/fuse box to ensure your safety.

INDICATES: The Heat Pump Suction Temperature Sensor is not functioning.

What To Do: The Heat Pump Suction Temperature Sensor is vital for the efficient operation of the heat pump system within the water heater. If it’s malfunctioning, the heat pump might not operate correctly.

1. Ensure all connections to the sensor are secure.
2. If the error persists or if you’re unsure about the connections, it’s recommended to contact a qualified person to service the unit.

Working with electrical components can be hazardous, especially if you’re unfamiliar with them. If you’re uncomfortable performing these steps or if the issue persists, please contact customer service at 1-877-817-6750 for further assistance.