13E High
Your boiler's computer system has encountered a processing glitch and has stopped working to protect itself.
Technical description: Software error
Typical repair cost: £180-350 (including labour)
DIY fix possible
Turn the boiler power switch to the 'Off' position.Wait for approximately 60 seconds.Turn the power back 'On' and press the Reset button if the code persists.
Protect yourself from future repair bills
A boiler cover plan would cover faults like 13E — no call-out fees, no surprises.
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Parts commonly replaced
- Main Printed Circuit Board (PCB)
- Wiring Loom
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