Pump rotor blocked High
Your boiler's internal pump is stuck or cannot communicate with the main control board, meaning hot water cannot circulate around your home.
Technical description: No connection to primary printed circuit board (PCB)
Typical repair cost: £180-350 (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 Pump rotor blocked — no call-out fees, no surprises.
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Parts commonly replaced
- Central heating pump
- Printed Circuit Board (PCB)
- Wiring harness
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