Power to the unit- some "humming, but NO lights on digital power control panel and when I try to put in diagonistic mode--no luck..
SOURCE: ptac fan keeps blowing
Try setting the fan control to "AUTO" this will cause it to cut out with the compressor.
SOURCE: Amana PTAC (PTC153B35AM). Unit has simply
Hi,
The hum that you arehearing is probably the transformer so that is working...as far as what the problem is...
that could be many different things...
The control board just went bad....
the keypad is bad....
A sensor is bad...
Dip switches positioned wrong...
Is there an external t-stat???
To find the exact problem it will take an experience tech. with an electric meter to follow things through and figure out what is going on there...
heatman101
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