Thermor Appliance Repair in Barton and Tredworth

What does error code W.30.2 mean on a Thermor heat pump water heater?

Error W.30.2 indicates the heat pump is underperforming and not heating water efficiently. Ensure adequate ventilation around the unit and check for obstructions. Contact a qualified heating engineer for diagnosis if the error persists after a power cycle.

What does error code W.9 mean on a Thermor heat pump water heater?

Error W.9 indicates the water temperature is excessively high, exceeding 80°C. This is a safety protection. Switch off the water heater and allow it to cool completely. Check if the supplemental electric heater is operating continuously. If the mechanical safety device has triggered, it may need to be reset by a qualified engineer.

What does error code W.30.4 mean on a Thermor heat pump water heater?

Error W.30.4 indicates the water and/or evaporation temperature is outside the compressor's acceptable operating range. This causes the heat pump to stop and may activate electric backup heating. A qualified engineer should check the ducting and insulation of the system.

What does error code W.24 mean on a Thermor heat pump water heater?

Error W.24 (Info24) is an informational message indicating the air temperature is outside the ranges tolerated by the refrigerant fluid. Ensure the unit has adequate ventilation and the air inlet is not obstructed. In extreme temperatures, the electric backup heater will activate automatically.

What does error code W.3 mean on a Thermor heat pump water heater?

Error W.3 indicates the water temperature probe is defective or reading outside acceptable parameters, typically showing an abnormal 85°C reading. Check all sensor connections and ensure proper positioning. Verify the ohmic value of the probe. If everything appears normal, the temperature sensor needs to be replaced by a qualified engineer.

Why is my Thermor towel rail not heating up?

First check the thermostat is set to the desired temperature and functioning correctly. For electric models, check the fuse in the wall switch. If the controller appears to work but no heat is produced, the heating element may have failed.

How does the Boost function work on Thermor heat pump water heaters?

The Boost function provides hot water on demand by defining authorisation ranges for heat pump and electric element startup. Options include 24-hour operation or programmed time slots. This allows rapid water heating when you need extra hot water, even in economy mode.

Can multiple people in my household use the Cozytouch app?

Yes. Simply download the app on additional smartphones and sign in with the same username and password to access the same installation.

What temperature should I set my Thermor electric radiator to?

The recommended temperature for living areas is 19°C, and for baby rooms 18°C. The Comfort temperature can be set from 12°C to 28°C on most models. For bedrooms, a slightly lower temperature of 16-17°C is often more comfortable for sleeping.

What is Frost Protection mode and when should I use it?

Frost Protection (also called HG or Hors Gel) maintains the room temperature at approximately 7°C to prevent freezing. Use this mode when you are away from your home for more than 48 hours during cold weather.