Question about Heating & Cooling
Turn the thermostat to heat but the blower comes on and no hot air comes out of the vents only cool air
Check your filter if u havent, most heat units have some sort of safety interlock should inlet air flow be restricted or blocked. If not could be ignition components or board issues. Over 8 major items will cause "No Heat" issues if it malfunctions, a few costly, so you'll want to be through tracing out your circuits & safety loops.. Or Call a Pro......
Posted on Oct 21, 2013
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Posted on Jan 02, 2017
Hi, Could be a run capacitor on the fan motor. They usually swell up and or leak when they go bad. If not, the only real way to test them it with a specific capacitor tester. A new capacitor would be cheaper. Make sure that the outside unit is disconnected from power before opening it up, try to spin the fan blade by hand. If it doesn't spin freely it may need oiled if possible. See above solution. Your problem is the fan motor though so if this don't do it, It will have to be replaced. If this helps, Please rate my solution. Thanks, kstfas
Posted on Aug 31, 2007
SOURCE: goodman ac / heat pump
Goodman energizes it reversing valve in the cooling mode. Usually in the "o" circuit of the thermostat wiring.You may have that wired hot somehow.
Posted on Nov 28, 2007
Check for a frozen cooling coil. Turn the fan to the on position at the thermostat and the cooling to off. Your cooling coil may be iced over. Allow it to run in the fan only mode until the coil has had a chance to defrost. At the outside unit you may see the large line is frosted. This is the visual indication for a frozen coil. When you return the A/C to cooling use it with the fan on while in the cooling mode.
Posted on May 27, 2008
SOURCE: Honeywell Thermostat RTH 7500
Assumed all the wiring are correct,
to change from manual switching from heat to cool, press [system] button ( left ) to go into system setting.
then press and hold the [fan] middle button untill option display 120
use up down button to select option 300 ( Manual/Autochangeover) ,
select 0 for manual, 1 for automatic. ( read caution in page 22 of installation manual )
Posted on Oct 14, 2008
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