Page 1 of 1

M1MB 070

Posted: Sat Dec 19, 2009 2:30 pm
by irmolars
I have a problem with this furnace.
It will run fine for a while, then out of the blue its starts to get cool in the house.
When i check the furnace the power is off. I turn the power switch off and back on then it will run fine and then out off the blue it will do it again. Any suggestions?

Re: M1MB 070

Posted: Sat Dec 19, 2009 4:20 pm
by Greg
I'm going to move this to the heating section of the site.

Re: M1MB 070

Posted: Sat Dec 19, 2009 7:12 pm
by Robert
When it does it, test transformer and input power wires to furnace for power.

Need 24VAC low voltage from transformer to t-stat to furnace.

Also need 120VAC line voltage to furnace through the breaker(s) and transformer.


Thanks,
Robert