E100 Low
Your boiler's internal computer has lost track of the time or date, which can prevent your heating schedules from working correctly.
Technical description: Internal clock time error on printed circuit board (PCB)
Typical repair cost: £0-120 (including labour)
DIY fix possible
Locate the control panel on the front of the boilerEnter the settings menu to find the 'Time and Date' optionsUpdate the clock to the current time and save the settings
Protect yourself from future repair bills
A boiler cover plan would cover faults like E100 — no call-out fees, no surprises.
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Parts commonly replaced
- Printed Circuit Board (PCB)
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