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had a bad motor replaced it with new one runs fine won't shut off.
constant alarm on lower board.
fan switch won't shut fan off green light stays on.
ran test cycle runs fine except alarm stays on and motor never shuts down ,but all lights go off every 30 seconds.
if you silence alarm, damper motor does not work.
replaced both upper and lower board no changes.
went through trouble shooting guide and tells me to replace boards
again. any ideas
Hi and welcome to the forum,
I am going to move your post to the 'All other HVAC Questions' forum. You will find it at this link.
Robert and maybe some others there would be better qualified to help you with this problem. They may need the Make, Model and other information.
Today is PERFECT!
All information and advice given is for entertainment and informational purposes only. The person doing the work is solely responsible to insure that their work complies with their local building code and OSHA safety regulations.
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If the troubleshooting guide is followed and does not help any, time to call an hvac tech out to look at it.
The guide steps should lead to problem area.
Some people are Humbly Grateful, while some are Grumbly Hateful.................... Which one are you ?
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