Error Code E2 indicates a failure of the heat pump temperature sensors or control system, causing the system to stop operating in heat pump mode and revert to electric backup heating.
Switch off the electrical supply at your system’s isolation switch and close any hot water taps. This error indicates a sensor or internal control system fault that requires specialist attention. Contact Hilton Plumbing promptly to safely resolve the issue and restore full functionality.
Book online or call us directly at 1300 872 343.
