What should I do if I encounter other issues with my Whirlpool Hybrid Electric Heat Pump Water Heater, such as it not starting immediately or the heat pump not running in Efficiency mode?

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.

Possible Cause: The water heater does not immediately start. What To Do: When first started, the water heater takes about 8 minutes to complete a diagnostic routine. This is a standard procedure to ensure the system is functioning correctly.

Possible Cause: The heat pump does not run in Efficiency mode. What To Do: Contact a qualified technician for service.