Discuss viessmann 100 weather comb in the Plumbing Jobs | The Job-board area at PlumbersForums.net
it should recognise straight away tried first with wire i was using thought it may be that so just connected up with short length of wire about 6 inches same outcome
It’s exactly what I would have done , does sound like board now , bloody expensive to try , are you using bell wire ?
no these only came with 5 year customer never had it serviced before now, no books all lost or misplaced when house renovated
Reply to viessmann 100 weather comb in the Plumbing Jobs | The Job-board area at PlumbersForums.net
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