How should I go about trobleshooting a 2-stage home Air conditioner digital thermostat that will not come on? - why does my thermostat go blank
Yesterday, the screen suddenly went black. The manual explains troubleshhoting "I was sure I was in the oven and 24 non-VAC between R & W. If C, 24 VAC between R & C, what this means and how I can try to repair myself. Thanks
Sunday, February 14, 2010
Why Does My Thermostat Go Blank How Should I Go About Trobleshooting A 2-stage Home Air Conditioner Digital Thermostat That Will Not Come On?
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Heres the HVAC basics, if you try to solve the problem yourself. First, you know what the cables and the red wire connected to Allah, is needed is the switch leg (connected to the processor), W white wire is used in heating mode (which the sequencer in gas oven is the main or Gas Valve Oven) to connect the green wire to the G fan relay (indoor fan is turned on), the Y or B is yellow, or blue combined contacts (non-condensing unit near the compressor fan)
Well, if you do not have a voltmeter that the son of the thermostat and take the bridge of the R & G Red Green fan casing is to begin. The Red R-YB to begin the outdoor unit (Note: Perform this test for a period of 15 seconds), and let tthe white wire should not be easily activated if the system does not work, it can damage the oven.
This test will show whether items are 24 of the oven, when all the controls are good chance your problem is the T-Stat.
You asked about home theater, it will be a little uncomfortable. First check the battery - almost all digital thermostats. You need a voltmeter and set in the terminals (for each) in the terminal R and W. If no degree, then there is a problem downstream. However, if the action has 24 volts, the screen conker. You do not have much to do when the boss is dead, if under warranty, you can try to get the reference. to replace, but you probably need to Home Depot and Lowes and go get a new boss. They are not so expensive.
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