Question about General Heating & Cooling
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Posted on Jan 02, 2017
Easy: Turn the "fan" switch to on at the thermostat and see if the blower starts. If no start, check breaker at breaker box. Check service disconnect at or near the air handler. With the breaker and/or service disconnect OFF check the 3 or 5 amp fuse inside the top cover in the air handler.
Not so easy: (You must know what you are doing for this part or let an HVAC Tech do it for you) Open thermostat and firmly jump the Y and R terminals to see if you get the compressor to start for no more than 30 seconds. (don't do it more than once.) Jump the G and R terminals to see if you get the blower to start. If so, u have a bad thermostat. If not, check the transformer inside the same cover in air handler for proper voltage. (24V. Make sure you also get 220 on the opposite side of the transformer)
If the blower comes on, but the heat pump doesnt start, open the side cover of the heat pump, with the thermostat on cool, and the temp. setting as low as possible for at least 10 minutes see if the contactor is pulled in. If so, check the capacitor and see if it's blown out. Be super careful these systems operate with 220v and the amperes are enough to kill you if you make a simple mistake.
Posted on Aug 28, 2010
Somewhere on the cover or the circuit board there should be a chart that tells you what the different light combinations mean. Look around inside the unit and try to find the codes and you can also check the owners manual.
Posted on Sep 05, 2010
It means, someone set the timer to start the unit after one hour. To cancel, simple remove battery from remote and reset it. And also power of the unit and reset it. Now start your unit with remote.
Posted on Dec 16, 2010
Please write how many times blinking and with an interval. Depends upon it, we can give solution.
Normally, blinking 5 times means for drain motor malfunctioning. Check drainline, oif blocked clean it. If drain motor not working, replace it.
If blinking 2 times, Indoor room air thermistor defective replace.
Posted on Feb 19, 2011
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