102 Medium
Your boiler is having trouble communicating with its internal sensors or parts, likely due to a minor electrical hiccup or connection issue.
Technical description: E-Combi EvoE-System EvoClas He Evo (Combi and system)
Typical repair cost: £100-280 (including labour)
DIY fix possible
Press the 'Reset' button on the front control panel.Turn the boiler off at the wall power switch, wait 30 seconds, and turn it back on.If the code persists, contact a Gas Safe engineer to check the wiring.
Protect yourself from future repair bills
A boiler cover plan would cover faults like 102 — no call-out fees, no surprises.
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Parts commonly replaced
- Wiring harness
- Main Printed Circuit Board (PCB)
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