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Old 11-17-2012, 02:00 AM
denman denman is offline
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Yes it could be a door switch that is either just activating or has an internal problem.

Also remove power and remove the wire nuts that connect the unit to the house wiring. Then redo these connections.

May also be a loose connection elsewhere in the system probably in the power lines going to the control board.

See the attachment for the tech sheet. It may be useful to you.
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File Type: pdf DU1300.pdf (244.4 KB, 10 views)
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