Green blinking light High
Your boiler is struggling to burn fuel correctly because the balance of air is incorrect or a sensor is faulty.
Technical description: Set the air according to the instructions of the manual or replace
Typical repair cost: £120-350 (including labour)
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
Protect yourself from future repair bills
A boiler cover plan would cover faults like Green blinking light — no call-out fees, no surprises.
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Parts commonly replaced
- Oil nozzle
- Burner motor
- Photocell
- Blast tube
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