Cause :This means the User Interface is getting too hot
Main cause is the heater covered or obstructed or installation not as per Manufacturer's Instructions.
Firstly, you need to confirm what clearances around the heater (see diagram above).
The heater clearances must be obeyed - clothes for example must not be left on the heater. If the heater was covered remove what was covering the heater & allow it to cool down.
Once heater has cooled down, if Error is still showing, power the heater off at the wall, then back on again.
If the heater wasn't covered then the cause of the error is likely to be an installation fault ie the core not installed correctly, not a manufacturing fault.
The installer should revisit to ensure the inner core cover was correctly fitted using all screws (red arrows on diagram) and that the core insulation is tucked in at the right hand top corner to ensure heat is not leaking out (orange arrow on diagram).
These checks must be performed by a qualified person and the mains supply must be isolated and proven dead before carrying out checks.
These checks must be performed by a qualified person and the mains supply must be isolated and proven dead before carrying out checks.
The installer should check that the element tails are not hanging out too far:
Failure to do so will result in a build up of heat on the right hand side of the heater causing the fault code to appear.
If the error persists, an engineers call out will be needed to investigate.
Applicable to: QM050RF QM070RF QM100RF QM125RF QM150RF HSDHHR050 HSDHHR070 HSDHHR100 HSDHHR125 HSDHHR150
Require additional help? Please follow link below
https://glendimplexservice.freshdesk.com/a/solutions/articles/79000136321
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