P.00 Low
Your boiler is currently running an automatic program to remove trapped air from the system, which usually happens during startup or after maintenance.
Technical description: The heating circuit and hot water circuit are purged
Typical repair cost: £0 (including labour)
DIY fix possible
Wait approximately 6 to 7 minutes for the program to finish automaticallyEnsure your radiator valves are fully open to allow air to moveOnce the program ends, check if the water pressure is still within the green zone (1.0 to 1.5 bar)
Protect yourself from future repair bills
A boiler cover plan would cover faults like P.00 — no call-out fees, no surprises.
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