Duo Therm Heat Pump Troubleshooting

Duo Therm heat pumps can become a pain in the neck if you aren’t aware how to fix the possible problems in their functioning. You shouldn’t get ready for this head of time, but such thing can happen. It’s not a big problem because here you can see the manual with the error codes which is ready to help you with repair in a difficult situation.

Digital display codeFault conditionNote
E1Room temperature sensor faultCall for service
E2Evaporator sensor fault
E3Communication fault
E4Condenser sensor fault
H1Defrosting instructionsIndicates defrosting in progress