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Mend Glow-worm CXI Boiler Display Working

glow worn boiler says f9 on display and will not work?

glow worm combi boiler cxi not working says f9 on display tried the reset option doesnt work .

jac
March 2010
Glow-wormGlow-worm CXIHeating, Home Heating SystemsBoiler Display Working
water pressure may be too low, try topping up. water pressure switch may be blocked, also on some early models the overheat stat, which has a manual re-set causes the same fault.

Ian
March 2010
F9 - Pressure -

water pressure connector loose/ unconnected/ faulty or wires trapped.
water pressure sensor faulty.
pump ceased/ faulty

http://www.glow-worm.co.uk/products/pdf/current/Ultracom_cxi_installation_manual.pdf

- page 46

hope this helps

Gaz
March 2010

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Glow-worm CXI Boiler Error F9 - Fixes & Help