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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 lexicon 15hx it keeps showing F22 and

Customer Question

I have a glow worm lexicon 15hx it keeps showing F22 and even after reset the boiler restarts then shuts down and F 22 appear on the panel. All the radiators are fine, pump is fine, have pumped the small pipe along side the main water tank is there something else I need to do? Kind Regards Bryan
Submitted: 1 year ago.
Category: UK Plumbing
Expert:  Andrew Smith replied 1 year ago.

Can you confirm this is happening for hot water, heating or both?

Customer: replied 1 year ago.
to both boiler fires up then shuts down and fault F22 appears if I continue to reset F11 appears, All electrics checked and no problem
Expert:  Andrew Smith replied 1 year ago.

Can you confirm how long after reset it cuts out.

When it is doing this can you confirm the pump is spinning by removing the centre screw?

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