home Fix label Heating label_important Home Heating Systems

what does f12 with red light flashing mean on a glow worm 30cxi boiler mean?

what does f12 with red light flashing mean on a glow worm30cxi boiler i already have no hot water the heating is working but all of a sudden this light has started flashing with this error

wilbur, March 2010

home Fix label Heating label_important Home Heating Systemsdone

in the manual f12 is a problem with the wiring at the pcb's. but 9 times out of 10 it is the hw flow switch

ray, August 2010

Maybe you can find the issue in the service manual but i cant find f12. Here is a link for the manual Hope this helps.

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

Stewiesnake, March 2010

Fix Fault - Heating

home label Heating label_important Home Heating Systems

home Fix label Heating label_important Home Heating Systems

what does f12 with red light flashing mean on a glow worm 30cxi boiler mean?

I can answer this question...

what does f12 with red light flashing mean on a glow worm 30cxi boiler mean?

I can answer this question ...

what does f12 with red light flashing mean on a glow worm 30cxi boiler mean?

Siemens RDJ10RF thermostat problem?

Ideal Isar H30?

Remove boiler cover?

Myson Touch?

Valor petrus 850 electric fire?

Reset my worcester dt10rf programmer?

Greenstar Highflow 440?

Advice?