Article reference KA-01535
Applicable to models:
QM050RF QM070RF QM100RF QM125RF QM150RF
HSDHHR050 HSDHHR070 HSDHHR100 HSDHHR125 HSDHHR150
Issue: Error code 23 displayed.
What this means: The heaters charge controller PCB temperature sensor is faulty.
Action: Engineer will need to attend with replacement charge controller 100000038.
If possible 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 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
- The continuous supply should not be on a plug
- Are the supply cables different sizes, off peak supply should be on a 2.5mm2 cable
- Have you set up the user interface (control on the top of the product correctly?
- Have you registered your product