Yes, good ideas. That fact that he stated the system doesn't meet the temperature set point (on some days) yet doesn't run all the time would suggest a fault.
Quote:
Originally Posted by rjm1cc
My guess is something is wrong. Maybe the unit is icing.
A safety switch could also be turning the system off and after the problem (maybe a backup of water) subsides lets the unit come back on.
Probably best to have a company do an "annual" maintenance check.
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