Question about Dometic Heating & Cooling
The humming of the motor may mean either that the motor is in need of some oiling (as may be applicable,some A/C's do not include this option) or the motor is just about dead and in need of replacement. Your best and most logical action to take would be to get free estimates from local AC/HVAC contractors in your area who could iin the position to fix it for you (or whom you can rely on to get as much infromation as possible during the free-estimate consultation so as to apply the information for your own use). The rule of thumb is to get at least three estimates.
For your convenience, here is a handyman site that I came across, which has a section dedicated to air conditioning, where you'll find a text-link ad that offers up to Four (4) Free Estimates from such local contractors in your area (scroll down a bit and it's the text-link towards the middle of the page):
Click on the "A/C Contractors" text link. Again, guessing on here is not as productive as getting a quote on the basis of a professional diagnosis from an expert upon which you can rely.
Posted on Aug 01, 2009
Take the outside cover off and examine the fan to see if does not have some kind of obstruction ,Mud dobbers or known more as dirt dobblers can build nest of dirt from the fan blade to the unit housing causing the fan to stop turning causing the hum.
Posted on Nov 02, 2014
a 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of.(from cars to computers, handyman, and even drones)
click here to download the app (for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
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