E06 High
Your boiler has detected that the water temperature in your heating system is getting too high, causing it to shut down for safety.
Technical description: Central heating (CH) sensor is overheating
Typical repair cost: £90-180 (including labour)
DIY fix possible
Check that all radiator valves are fully openEnsure the boiler pressure is between 1.0 and 1.5 barCheck if any bypass valves are closedReset the boiler to see if the fault clears
Protect yourself from future repair bills
A boiler cover plan would cover faults like E06 — no call-out fees, no surprises.
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Parts commonly replaced
- Central Heating NTC Temperature Sensor
- Internal Circulation Pump
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