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I have a kelvinator furnace M#G6RC 060C-12A The indicator light blinks red twice and the code comes back as pressure switch is open with reducer on. Can you please help

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6ya6ya
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Posted on Jan 02, 2017

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burzerko
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SOURCE: furnace won't kick on

Downstream of your fan discharge there is a little plastic assy. most likely that will have a pickup tube and a piece of vinyl or latex tubing attached. First check to make sure that the pick up tube and/or tubing does not have a restriction. If it is clean use an ohm meter to read resistance across the switch to verify it is operating.

Posted on Nov 15, 2008

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SOURCE: armstrong air tech 91 furnace problem

Sounds like the flue is plugged, I had same problem and opened up the draft fan and there was a dead bird restricting the flue. Furnace will never light if the pressure switch never closes as you have found out. Also has anyone moved the switch some are position sensitive meaning have to be in same position factory set the switch. I had one like that also switch was little crooked so I straighten it up and walla worked.

Posted on Nov 23, 2008

  • 1 Answer

SOURCE: furnace won't kick on

My gas furnace wont kick on when it has been off for awile, we have replaced the thermostate and checked eveything else. Once we gett it going it works but wont kick in once the temp drops

Posted on Nov 30, 2008

  • 1 Answer

SOURCE: Goodman GMS90904CXA Wont ignite, light blinks 3 times

I had the same problem, I had to remove the lower black rubber stopper right next to the exaust fan and hook up a drain to the unit, as soon as the water drained out the furnace fired right up.

Posted on Dec 11, 2008

tborn6
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SOURCE: Rheem Criterion II Furane would not ignite

what you need to do is take and inspect the hose that goes to the pressure switch and make sure that it is not dry rotted. if it is and the combustion blower is running then firsat try to cut the hose down and slip on a better piece of rubber. If not then replace the hose,

Posted on Dec 25, 2008

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Nordyne mobile home furnace will not ignite. I REALLY need an answer ASAP


Turn down room thermostat switch power off to unit turn power back on turn up stat see if this resets unit .


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Error code= two red flashes, lockout/ no flame


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7 Tips and Tricks to repair your Furnace DIY - YouTube

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cause this fault. 2 RED FLASHES: This indicates that thenormally open pressure ... The furnace will lock out for one hour and then restart. 7 RED FLASHES: This fault code indicates that the flame could not be established. This no-light ... problem. Bothheating and cooling operations will be affected. Check

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My nordyne m1 mb 056a bw heater isnt working...a red light flashes twice, which means "Pressure switch is open"...how do i fix it?


First, I am assuming that this is a residential gas fired furnace. 1. The first thing that will happen once the furnace gets a call for heat is the small draft inducer motor will come on. 2. The pressure switch should close. If the switch is not closing, here is a list of possible reasons: 1. The draft inducer motor is not running. 2. There is a restriction in the flue or heat exchanger. 3. The tubing from the pressure switch is not connected or has a leak. 4. The pressure switch may be defective or stuck open. Note: this is not an exhaustive list, but should cover the most common causes. Also, you may have to unplug the furnace and then plug it back in before it will try to come on. It may be locked out on the control board because of the pressure switch fault. I hope this helps!

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My Xenon high efficiency furnace has a red blinking led light that blinks 4 times and my furnace will not light. What could be the problem?


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Each color will also flash a specific number of times to signify a specific error. ... 4 redcolored flashes may be signaling that the "high-limit" switch might be open. ... 3 green colored flashes on your furnace has the same meaning as 2 green colored flashes. ....If a system problem occurs, a blinking LED shows a fault code.Missing: xenon

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Gibson Furnace KG6RC-060C-12A Model


Somewhere on the unit there is a small chart that identifies the problem that the lights are indicating. That helps narrow down a long list of possibilities. However, if you catch it acting up you can check that limit switch like this:
with your voltmeter set to voltage test from one side of the switch to the other. If the limit is "open" due to an overheat problem your meter will read 240 or 24 volts depending. If the limit is closed/working it will read 0 volts. The unit must be running for this test. The problem is there is a small window of opportunity before it cools off and closes. Whatever you do, DO MOT BYPASS THE LIMIT!

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1 Answer

York diamond 90


The problem could be clogged hoses or hose connections or a bad pressure switch. Remove one wire from pressure switch start furnace as soon as inducer fan starts reattach wire if furnace runs replace pressure switch.hope this helps

Dec 11, 2013 | Heating & Cooling

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Mar 12, 2010 | Heating & Cooling

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