Quote:
Originally Posted by judieb68
Amy idea if it can be fixed without going in for service?
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The ceiling unit - or in this case plenum - is held on by the four external screws (one in each corner). Remove the intake grill which is held in place by two black plastic captive screws, then remove the filter. Remove the four external screws in the plastic cover mentioned earlier and lower it from the ceiling. You'll be able to see up into the squirrel cage fan - that is your air out to the vents - needs to be closed off from the filter. The other side, where you can see all the wiring is the air intake. That side needs to be open to the filter.