What does the Worcester Bosch Failure at point P fault code mean?

Your boiler is failing to circulate water correctly after it gets hot, which prevents the system from cooling itself down properly.

How much does it cost to fix Worcester Bosch error code Failure at point P?

Typical repair cost for the Worcester Bosch Failure at point P fault is £180-350 including labour.

Pump Overrun Test: Pump does not operate when primary water is above 60°C. Check 240V supply at terminal X6 and pump overrun thermostat.

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

Each noise points to a different fault.

Work through these before the call-out.

Sludge build-up — needs flushing, not bleeding.