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Troubleshoot DM02
 Moderated by: slychiu
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 Posted: Friday Jul 12th, 2019 07:09 pm
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darnold
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I have two DM02 boards in my ComfortII system.  They have worked fine for many years.  Recently I have had some strange behaviour on one of the DM02 boards.  
I wanted to see if there is a way to test that it is functioning properly or do I need to replace it.  
When I press the SW2 switch on the board it is very slow to respond.  Sometimes if fails to ring the telephone.  Before replacing it, I just want to make sure that the board is in fact bad.



 Posted: Saturday Jul 13th, 2019 03:06 am
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slychiu
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Exchange the IDs of the 2 DM02s, and see if the fault remains with the same DM02. If it does it is probably faulty



 Posted: Wednesday Jul 17th, 2019 01:01 pm
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I have several 'spare' DM02 boards if you need them just e-mail me direct.



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