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Isar he30 (Read 2303 times)
Roy
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Isar he30
Nov 27th, 2014, 10:18am
 
Hi I have a he30 boiler with a honeywell cm900 stat. I have hot water and no central heating. No fault codes are shown I have the letter c and a flashing led.
Roy
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thescruff
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Re: Isar he30
Reply #1 - Nov 27th, 2014, 2:25pm
 
Have asked in the gas forum for you
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thescruff
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Re: Isar he30
Reply #2 - Nov 27th, 2014, 11:16pm
 
From the horses mouth, the C and flashing led means the heating is in standby mode.

Likely problems

Dripping tap.

Stuck diverter valve head

The first you can check and the second best to get an RGI in
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