puma80e central heating cuts out but pressure fine

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27 Feb 2004
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My puma 80e boiler keeps cutting out after running for 5 minutes - it lights up 'low pressure' but the pressure gauge is reading 1.5 - the manual states we should replace the water pressure switch - - should I try re-pressurizing the system and if so how?
 
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if you want to try to re pressure the system you can, switch may have stuck. Drop the water pressure to 0 then re pressurise to spec.

use a rad valve or drain off point to drop the pressure then use the filling loop to fill it back up.
 
thanks for that but where is the filling device on the machine?
 

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