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Vokera Compact 25HE. No HW or CH

Posted by Amir KK, on Mon 12 Mar 2018 01:34pm

Hi, was working perfectly drained and refilled due to a new radiator. Now after clearing all the air in the pipes pump runs but fan will not switch on. Have tested fan with direct 240V plugged in supply. Fan works OK. Differential pressure switch is OK to, as it clicks and shows open close circuit on multimeter. Some Safety protection device must have activated but not sure which one and where. Pressure is up past 1bar. Thanks. Amir

Jonathan Ireland

Mon 12 Mar 2018 02:16pm

Amar... in the first instance, contact your local Gas Safe Engineer to fix the problem. DO NOT under any circumstances attempt to diagnose or fix yourself if you are not Gas Safe registered and experienced. This is when disasters and fatalities occur! You would also be breaking the law! J Ireland Plumber

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