Question about Heating & Cooling
Hi. The power might tripped off when you plugged it in to a wrong wire. Double checked again the wirings and do a test again. Use a tester if possbile.
Posted on Aug 04, 2010
There is a re-set procedure you can try that may work. IF this
does not work then check the connection on the back of the controller. It is
very possible the thermostat is bad. The bad news is these are obsolete and an
upgrade is needed which includes changing the upper control boards in the AC
unit on the roof. The new controller would be a 5 button. Not to many shops
will attempt to repair the controller but it would be an option to call around.
Here is the procedure.....
To initiate a RESET, do the following in the order
1) Turn control on to ensure enunciator data and light
Are present. If data and light are present, continue to
Next step. If data and light are not present, THE CONNECTIONS NEEDS TO BE CHECKED.
2) Depress MODE switch to activate enunciator light.
3) Simultaneously depress the bottom two buttons
(Temperature UP and DOWN) and hold.
4) While holding these buttons down, depress the
MODE button once and release.
5) Release the two buttons previously held down.
6) Depress the MODE button once again.
7) At this time the light should extinguish, and the mode
should register "OFF". If not, repeat Steps 2 through 6.
8) Retest system ensuring that all functions are present
Thanks. Keep updated for any more query. You can rate this solution and show your appreciation.
Posted on Aug 04, 2010
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Posted on Jan 02, 2017
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