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Rick Ridley
Rick Ridley, UK Heating Engineer
Category: UK Plumbing
Satisfied Customers: 1561
Experience:  30 Years on the tools, now retired, Ex CORGI
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I have a Glow worm ultracom 30sxi and it keeps switching

Customer Question

Hello I have a Glow worm ultracom 30sxi and it keeps switching itself off and is showing fault code F25. we have reset the boiler several times and tried to bleed out the radiators and the pump but this doesn't seem to have made any difference, any advice would be appreciated.
Submitted: 1 month ago.
Category: UK Plumbing
Expert:  Andrew Smith replied 1 month ago.

F25 is a circulation fault.

Can you confirm the system is full of water and the pump is running?

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