What should I do if my Whirlpool Hybrid Electric Heat Pump Water Heater displays the “E40” 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 Discharge Temperature Sensor is not functioning.
What To Do: The Heat Pump Discharge Temperature Sensor monitors the temperature of the heat pump discharge, ensuring the system operates efficiently. If this sensor malfunctions, the heat pump might not work as intended.
- Check and ensure all connections to the sensor are secure.
- If the error persists or if you’re unsure about the connections, it’s recommended to contact a qualified person to service the unit.
Handling electrical components can be risky, especially if you’re not familiar with them. If you’re uncomfortable performing these steps or if the issue continues, please contact customer service at 1-877-817-6750 for further assistance.