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The gas unit stays on for 10 seconds then switches off.

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Sadly with the limited information you provide . NO ONE can determine what the problem might be , Suggest you contact a local service company and have it checked by a professional .

Posted on May 02, 2017

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What gas unit???????

Posted on May 02, 2017

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Posted on Jan 02, 2017

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3. Turn igntion switch OFF and wait at least 10 seconds. Make sure that the throttle valvemoves during the 10 seconds by confrming the operating sound.
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6. Fully step on and release gas pedal5 time within 5 seconds
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Powers off immediately after starting


My immediate reaction would be to cut your losses and buy a new unit as sooner or later you will run into a part that is no longer available.

Nov 03, 2012 | Whirlpool Microwave Ovens

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Heater turns on and heats garage to set temperature, than shuts off. when the temperature drops, the unit kicks on again. everything starts working again but only for a few seconds and than shuts off. it...


Problem: Your furnace will not ignite the gas to produce heat for your home. When a furnace has a bad ignitor what I see most of the time is the following sequence of operation:


1. Thermostat calls for heat. 2. Draft inducer motor starts. 3. Pressure switch attached by a small plastic or rubber tube senses the negative pressure produced by the draft inducer and closes. 4. Draft inducer runs for 30 seconds to a minute before you hear a gas hissing sound. The ignitor did not glow, the flame sensor (a small metal probe about 1/8" in diameter, with a white porcelain base) does not sense the flame, so after 8 to 10 seconds the hissing sounds stops with no ignition of gas to heat your home. Your furnace shuts down and goes into a lock out condition until you turn your power switch back off and on again. Then the sequence starts all over again with no ignition of the gas. Solution:You probably need to purchase and install a new ignitor. I would suggest that you inspect your ignitor closely for cracks. Make sure you do not touch the ignitor with your bare hands. If you do not visually see a crack, then you could have a furnace control board problem or a limit, rollout switch problem. The furnace's control board might not be supplying the voltage to the ignitor.If your furnace lights and the gas stays on for 8 to 10 seconds, then shuts right back off, then you need to clean your flame sensor with light sand paper or steel wool. You might need a new flame sensor, but most of the time they can be cleaned an will work well after cleaning.

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I have a ng furnace downstairs that started this a couple of days aga....It comes on like it is suppose to and runs until it shuts off. Once the blower cuts off it stays off for about 1 second and then...


1. Thermostat calls for heat. 2. Draft inducer motor starts. 3. Pressure switch attached by a small plastic or rubber tube senses the negative pressure produced by the draft inducer and closes. 4. Draft inducer runs for 30 seconds to a minute before you hear a gas hissing sound. The ignitor did not glow, the flame sensor (a small metal probe about 1/8" in diameter, with a white porcelain base) does not sense the flame, so after 8 to 10 seconds the hissing sounds stops with no ignition of gas to heat your home. Your furnace shuts down and goes into a lock out condition until you turn your power switch back off and on again. Then the sequence starts all over again with no ignition of the gas. Solution:You probably need to purchase and install a new ignitor. I would suggest that you inspect your ignitor closely for cracks. Make sure you do not touch the ignitor with your bare hands. If you do not visually see a crack, then you could have a furnace control board problem or a limit, rollout switch problem. The furnace's control board might not be supplying the voltage to the ignitor. If your furnace lights and the gas stays on for 8 to 10 seconds, then shuts right back off, then you need to clean your flame sensor with light sand paper or steel wool. You might need a new flame sensor, but most of the time they can be cleaned an will work well after cleaning.

Dec 06, 2010 | Heating & Cooling

1 Answer

When in the shower, the heat fluctuates from hot to lukewarm over a 10 second cycle. The water will not stay at a constant temperature.


this is usually a problem with all tankless water heaters.
the solution is to install a small buffer tank (5 or 10 gallon electric water heater) after the Rinnai. this will give the water something to mix in. it will solve your problem.

did you make sure to use a 3/4" gas line to the unit. not just 3/4" at the unit itself. sometimes when there is not enough gas, the unit will act funny and cycle from hot to warm or even cold. Make sure you check the gas line size, its very important.

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2 Answers

GMP075-3 looks good but shuts off after 10 seconds


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1 Answer

My kenmore gas dryer ignites and the flame shuts off after 10 sec


The valve on the pilot may need to be replaced. The springs get worn and wont stay up. Otherwise you could replace the entire pilot unit with a kit.

Jul 20, 2009 | Kenmore 74602 Gas Dryer

1 Answer

Heaters fires, stays on for 10 seconds, then burner turns off


Just had the same experience.
1. Pull the top cover off and try gently wiggling the printed circuit board on the right side top. Pull the thermostat mounting board too if it helps. Be careful as it is still live as you are doing this. If it fires, unplug it & remove the board from the unit. Get a magnifying glass and a good light and go over the solder connections on the back of the board, ALL of my connections where the harness plugs into the board were cracked. Best as I can figure, the board is mounted right next to the power vented flue discharge and it is extremely hot there and must expand & contract with heat especially if wind is blowing the heat back onto the unit. Re-solder connections & mount the board somewhere else in the unit.
2. The igniter assembly acts as a thermocouple, which is to say it "proves" the flame to the unit telling the gas valve to stay open and the spark to shut off as long as the thermostat wants the unit to run. That component may have failed & requires replacement.
3. The flow switch (Pressure sensor) proves water flow to the unit saying it is ok to fire. I've replaced mine twice due to them busting open, but that can also hold out the unit if it doesn't sense flow,however but I doubt that is the culprit. It is easy to test, just make sure the pump is on, jump the wires & turn on the unit. MAKE SURE to put them back on after testing as the water will boil very rapidly if the unit runs with no flow which is extremely dangerous.


I would check these components in that order.

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1 Answer

Gas dryer not heating properly


This sounds like the flame sensor is bad to me.

If it does not work properly, the unit will shut off for safety. The machine assumes that the burner did not light and rather than run gas into your house, it shuts off. It may try to start a certain number of times and then shut off.

You may be able to remove and clean it (flame sensor) lightly with a scotch brite pad and it may work properly again.

Otherwise it will need replacement.

This is a very common problem and the part is probably in stock.

Post a comment on your progress as this solution is likely to be useful to many people.

Thanks,

Tim

The problem is not the gas valve.

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