Pump rotor blocked High
Your boiler has stopped working because the internal pump that moves water around your heating system has become stuck or seized.
Technical description: Unblock pump
Typical repair cost: £220-450 (including labour)
DIY fix possible
Turn the boiler power off and back on again to see if the pump restartsGently tap the side of the pump body with a plastic tool to loosen any internal debrisEnsure your system pressure is between 1 and 1.5 bar on the front gauge
Protect yourself from future repair bills
A boiler cover plan would cover faults like Pump rotor blocked — no call-out fees, no surprises.
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Parts commonly replaced
- Central Heating Pump
- Pump Head
- Automatic Air Vent
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