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by Gobstopper
Thu Mar 06, 2008 9:37 am
Forum: Plumbing Forum
Topic: Grundfos 15-60, will not switch off.
Replies: 4
Views: 16149

Same problem again had to switch power off to pump before going to bed last night !!! Pump stays on with 'C' showing on the boiler readout and green LED burner indicator flashing on and off. There is some noise from boiler when started up like a 'clanking' noise. The system was off for ten days when...
by Gobstopper
Wed Mar 05, 2008 9:21 am
Forum: Plumbing Forum
Topic: Grundfos 15-60, will not switch off.
Replies: 4
Views: 16149

Thanks Ken I switched the power off last night before going to bed, as pump was still on at 11 although heating and water go off at 10, Icos Boiler showing 'C' with green burner LED flashing on and off. Anyway came down this morning at 6 powered up and now seems OK. So hopefully thats it, very stran...
by Gobstopper
Tue Mar 04, 2008 1:21 pm
Forum: Plumbing Forum
Topic: Grundfos 15-60, will not switch off.
Replies: 4
Views: 16149

Grundfos 15-60, will not switch off.

Can anyone help, my system had a new circuit board fitted in Jan after being out of action for about ten days. Everything was working fine but I have noticed that the pump does not shut itself down when the heating switches off at night. Prior to this I did notice that the system was noisy when star...
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