Question about Honeywell Programmable Thermostat Heater
I installed a new Honewell RTH230B programmable thermostat last fall, and it worked through the winter fine. Now that I need cooling I can't get it to start the A/C. The fan will not run in the ON position, either.
I checked my wires against the board in the furnace (Rh to R, Rc to C, Y to Y, W to W, G to G), and re-connected all terminals. Display shows cooling icon, but no action from unit.
The fuse blew fior a reason, this would be the thermal limiter fuse correct, make sure the condensor fan is not running slow, also make sure the condensor coils are clean. or the fuse will blow again.
Posted on Jun 23, 2009
If the air conditioning is in use, a snowflake will appear, it seems like you are having trouble programming the thermostat or your aircon is shot
The customer care department can be accessed by calling 800-468-1502
also try their dedicated website for more information
Posted on Jun 22, 2009
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Posted on Jan 02, 2017
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