Resetting your heat pump water heater can often resolve common issues such as lack of hot water, error codes, or inefficiency following a power outage. This infographic provides a clear, step-by-step guide on when and how to safely perform a reset, ensuring your water heater returns to optimal performance without the need for a professional call-out.

When to Consider a Reset:

  • After a Power Outage: Resetting can help the system recover from sudden shutdowns.
  • When Error Codes Appear: A reset might clear transient errors and restore normal operation.
  • If the Heater is Not Heating Efficiently: Resetting can sometimes resolve performance issues.

How to Safely Reset Your Heat Pump Water Heater:

  1. Locate the Reset Button: Typically found on the heater's upper thermostat behind an access panel.
  2. Turn Off the Power Supply: Ensure safety by turning off the power at the circuit breaker before attempting a reset.
  3. Press the Reset Button: Firmly press the reset button. You may hear a click indicating the reset is complete.
  4. Turn the Power Back On: Restore power at the circuit breaker and check if the water heater resumes normal operation.


Resetting your heat pump water heater is a straightforward process that can resolve several common issues. By following these simple steps, you can quickly troubleshoot problems without needing to call a professional, saving both time and money. Always prioritize safety by ensuring the power supply is off before interacting with the heater's electrical components.