I am not familiar with your unit but anytime I have a fan go out on my beds, I either have the motor rebuilt locally or buy a remanufactured motor. The problem could be something other than the motor (switch, relay, bearing, etc.) but you have got a 99% chance the motor is bad in some way. The shop near me rebuilds starters, alternators, and industrial motors and a new/refurb motor is between 50 and 100 bucks. Give the yellow pages a try.
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