51 Medium
Your boiler has lost its wireless connection with your thermostat or remote control, meaning they can no longer talk to each other to manage your heating.
Technical description: Climatic RF communication fault
Typical repair cost: £0-120 (including labour)
DIY fix possible
Check the batteries in your wireless thermostat and replace them if they are low.Ensure the wireless receiver near the boiler is powered on and hasn't been blocked by metal objects.Try resetting the boiler and the thermostat to re-establish the wireless link.
Protect yourself from future repair bills
A boiler cover plan would cover faults like 51 — no call-out fees, no surprises.
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Parts commonly replaced
- Thermostat batteries
- Alpha Climatic RF remote control unit
- RF receiver module
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