Applicable to models: QM050 QM070 QM100 QM125 QM150 QM050RF QM070RF QM100RF QM125RF QM150RF
Issue: User interface/ display screen is blank. No text displayed.
Action:
You should check the following items and if they are not correct you should contact your installer prior to raising a ticket for a service call.
- Have the trips/breakers in your consumer unit switched off? (switch back on if they have)
- Check that the switches controlling the supplies to your product are on:
- There should be a switch (unfused) for the off peak supply on a dual supply install
- The supplies must not be on a 3 pin plug
- Are the supply cables different sizes, off peak supply should be on a 2.5mm2 cable
- Have you registered your product?
If confirmed supply OK, a service visit may be required- See link below.
Engineer to take Charge Controller and User Interface (parts will depend on Series of heater).
Require additional help? Please follow link below
https://glendimplexservice.freshdesk.com/a/solutions/articles/79000136321
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