Try running some water elsewhere in the building to reduce pressure below the cut-in level. The pressure switch controls the operation of the well pump, which delivers water to the household. We would love to have your business! Simply put, your gas furnace is made up so that when you power the furnace and adjust your thermostat, the control board gets a call for heat. I’m afraid i wired or piped the air wrong to it or something. It would be best if you could test the voltage with the ignitor load hooked up in the circuit. I swap out igniter, flame sensor, pressure switch and check high limit switch still good (normally closed) . I am shipping your control board out today. The new flame sensor did not fix the problem. I lost water in my house today and I replaced the pressure switch with a square d 30/50 switch. And again the pressure switch is brand new (supposedly). .sa_jump_to_reviews:hover{ text-decoration:underline} Before you unscrew this pipe, you’ll need to verify power is off and drain all the pressure from your system. You'll find the pressure switch mounted on a 1/4-in. If you are getting 24 volts between W and C then I would suggest testing the voltage coming out of the control which goes to the draft inducer. We sell this inducer on the following page: https://arnoldservice.com/product/0171m00001s-goodman-furnace-draft-inducer/ I hope you can easily find and fix the problem. If your pressure switch is not working like it was previously, it is also important to check for other causes. I have a Carrier HE furnace that is not even 3 years old yet. I remember one furnace I installed where I tried to use 2″ PVC for the venting and ended up having trouble with the pressure switch going off like your furnace is doing. All furnaces will have different pressures required to operate properly, most times the pressure will… display: inline; If you have exceeded the number of turns the furnace will not run right and the pressure switch will not work or stay closed. Cleveland is about to have sub-zero Temps coming up this weekend! And I have also cleaned the flame sensor with a newspaper (no steel wool). If you can hold the 4 wire connector in the right place many times the valve will work. jQuery('body,html').animate({ scrollTop: jQuery('#shopper_review_page').offset().top }, 800); Thanks for any help. Thank you so very much for your business! Since the furnace is overheating make sure the draft inducer is working at full speed. I hope you can easily find and fix the problem. But I seem to be out of options with my furnace here. pump definatley engages but can't get pressure gauge to hold pressure with valves open or closed ... Jet pump was not working. Your compressor has unloader valve issues? That’s it! Hi Sue! And I have also cleaned the flame sensor with a newspaper (no steel wool). Now the switch isn't doing anything and I still don't have water. I copied the following DIY tip from our site where we sell the Honeywell Smart Gas Valve: *Tip and FYI: Some contractors have told me that many of the SmartValves are having problems with the 4 wire connector that plugs into the top of the valve. the switch cuts off at 125psi but then starts turning the motor on and off in rapid succession and will not stop until unplugged. Thanks Steve! When there is a call for heat, and the inducer starts, if , after 1-2 minutes, the inducer shuts off and pressure switch code comes on, The pressure switch is not closing. If your switch won’t turn on, this could be a sign your tank pressure is above your switch’s cut-in pressure. Please make sure you are getting 24 to 28 volts AC between the W and C (common) terminals from the thermostat when you have the thermostat calling for heat. Nor is intake. Just make sure that you have 120 volts coming into the control board between L1 and a neutral (white wire). Check the switch setting to make sure it hasn’t drifted or been reset to a … document.querySelector('a[href="#reviews"]').click(); I ordered one myself and replaced it last weekend. Please click here to see the furnace pressure switches we sel, https://arnoldservice.com/how-to-troubleshoot-and-test-furnace-hot-surface-ignitors-videos/, https://arnoldservice.com/problem-i-have-a-bad-igniter-is-there-anyway-to-light-a-gas-furnace-manually/, https://arnoldservice.com/how-to-test-and-troubleshoot-gas-furnace-pressure-switches/, https://arnoldservice.com/honeywell-smart-valve-ignitor-flame-sensor-troubleshooting/, https://arnoldservice.com/product/goodman-amana-furnace-control-board-pcbbf112s/, https://arnoldservice.com/product/0171m00001s-goodman-furnace-draft-inducer/, American Standard Trane Condenser Fan Motors, ICP Heil Tempstar Whirlpool Flame Sensors, Trane American Standard Furnace Draft Inducers, Trane American Standard Pressure Switches, Managed by Wooassist - Woocommerce Support. This hole in the heat exchanger will not allow the negative pressure that the pressure switch needs to close and operate properly. No water lines to or from being blocked. Some contractors have told me you can use a matchstick to hold the 4 wire connector in the right place so the valve will work. ?… it’s “buggy” as I describe it. if(document.querySelectorAll('.sa_jump_to_reviews')!=undefined && document.querySelectorAll('.sa_jump_to_reviews')!=null && document.querySelectorAll('.sa_jump_to_reviews').length > 0){ Could it be low pressure is too low and not kicking in the switch? So, regardless of the type of switch you have on your compressor, if power is not passing across the switch when it is supposed to, and you have a good power supply to the compressor pressure switch, then it is most likely that the pressure switch has failed, and it’s time for a new one. Please make sure the fuse is not blown on the control board. Seems clean. and after few minutes the inducer motor shut down and led light flashing 7 times. IF YOU'RE NOT SURE whether your old vacuum switch is working accurate - REPLACE it; IT MAY SAVE YOUR LIFE! Replaced both pressure switches . Here are five relatively common problems to check: Pressure control switch. I replaced one of my pressure switches, the one connected to inducer motor, then the furnace fired up. Here is a link to our pressure switch troubleshooting page: https://arnoldservice.com/how-to-test-and-troubleshoot-gas-furnace-pressure-switches/. If the inducer is getting 120 volts and not running then you have a draft inducer problem. Steve. If the pump is not creating enough pressure to signal the switch to turn off, it … (4) a dirty or stopped updraft inducer. Hi, I have an emglo wheelbarrow electric compressor. Sometimes the furnace will not even come on and we awake to a cold house. Sucking on the pressure switch or leaving a pressure switch attached to the furnace when vacuuming out the condensate line will ruin the diaphragm on the pressure switch. Took me 5 minutes and the switch was 60$. Worst & Company Inc. - All rights reserved. We are Accredited Better Business Members with an A+ Rating! Yes, It sounds like you either have a draft inducer problem or a control board problem. I would suggest that you do the testing that I described in the earlier post with a volt-meter to determine if you need a new control board or a new draft inducer. If you are looking for an HVAC products supplier that will treat you the way you should be treated, turn to us. The hole where the pressure switch attaches to the draft inducer could be stopped up with water, slug, or dirty. replaced switch and pumps motor. Please make sure the furnace is tilting forward slightly so the water drains out the front of the furnace. 4.7 out of 5 stars 45. If you find that you have a hole in the heat exchanger then you need to replace the heat exchanger or get a new furnace because this creates a dangerous condition that can allow carbon monoxide into your home. About stuff related to our industry and one of the neutral terminals neutral ( white wire ) your system running. 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