Potterton Promax system HE plus keeps ‘running’ Help and information on all topics relating to your central heating, air conditioning and ventilation issues.

[Corporaterat]

Potterton Promax system HE plus keeps ‘running’ After the boiler has stopped heating. No error codes. No issues with hot water or heating. It just continues to ‘pump’ or run at the boiler itself. Tried reset. It’ll go off for a while then May run again. Any ideas?