E.02 – .48 Medium
Your boiler is having trouble talking to your wireless thermostat or smart controller, meaning it doesn't know when to turn the heating on.
Technical description: Configuration to external device unsuccessful – check pairing to external device.
Typical repair cost: £0-120 (including labour)
DIY fix possible
Check the batteries in your thermostat or wall controller and replace them if necessaryMove your wireless thermostat closer to the boiler to see if it reconnectsPress and hold the pairing button on the receiver box near the boiler to re-establish the connection
Protect yourself from future repair bills
A boiler cover plan would cover faults like E.02 – .48 — no call-out fees, no surprises.
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Parts commonly replaced
- Wireless Receiver Box
- External Smart Controller
- Batteries
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