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Reddy Heater Model#R165AT Troubleshooting

When you plug in heater the ignitor lights for about 20 seconds then shuts off do you have an explanation for this?

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  • fedupp Dec 06, 2007

    runs for 5 secs then off



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  • Master
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The igniter turns on and if there isn't any fuel flow, will shutdown and go into "lockout." check you have enough fuel in the tank. if YES then take your unit apart and replace the nozzle. there's a bronze filter in the nozzle. mounted on the back of the fan motor is an air generator. this air generator makes about 3.6 lbs of air pressure to pump up fuel to the nozzle from the tank. the nozzle acts like a venturi and creates a suction for the fuel.

Posted on Nov 19, 2007


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Posted on Jan 02, 2017


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Runs for 20 seconds and quits

If the heater has been working normally, but has now suddenly developed this problem, it could be caused by a dirty photocell, clean with a soft tissue. In a dirty condition the photocell can't see the light of the flame, therefore it tells the control PCB the heater is not burning, and it shuts down. If it is clean, then it becomes more difficult to identify the problem, as long as the ignitor is working properly, it maybe caused by the PCB itself, or the photocell sensitivity may have become reduced, and it needs to be replaced.

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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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My reddy heater comes on and burns perfectly for up to 30 minutes then it shuts off and blows smoke for a couple of seconds before it completely shuts down.

This doesn't help. There at least 4 60k Reddy Heaters models -some are spark plug heaters, some have the new Hot Surface Ignitor technology. All heaters have specific model. Without you knowing the model I can't help, sorry.

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1 Answer

Reddy pro155 runs for 3 to 5 seconds

Reply with the correct model number. "Pro 155" designates a series. We need to know whether you have a heater with a spark plug or a heater with an ignitor (glowbar).

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I have a Reddy heater pro 155.

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probly the sensor on the modul. Take and clean it off with emery cloth and then reinstall it.

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Sounds like a dirty flame sense rod. Be sure to shut off power before removing the rod and cleaning it with sandpaper or steel wool. Do not touch or disturb the hot surface ignitor or you may cause it to fail.

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