0E13 High
Your boiler has locked itself out because the reset button has been pressed too many times in a short period.
Technical description: Maximum number of resets reached. (Over 5 reset attempts have been reached within 15 minutes.)
Typical repair cost: £0-120 (including labour)
DIY fix possible
Turn the boiler power off at the fused spur switch (the wall switch).Wait for at least 15 to 30 minutes to allow the internal timer to clear.Turn the power back on and see if the fault has cleared, but do not press reset again if a different fault code appears.
Protect yourself from future repair bills
A boiler cover plan would cover faults like 0E13 — no call-out fees, no surprises.
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Parts commonly replaced
- None (usually a procedural lockout)
- PCB (if timer fails to reset)
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