Question about Reddy Heater-170,000 BTU Kerosene Deluxe

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Runs for a short time and shuts off and light blinks flame

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Sounds like the filter is starting to clog up. replace it to keep the flow going strong. http://www.auto-tune-up-and-repair-options.com/worn-motor-treatment.html

Posted on Mar 25, 2015

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Goodman Furnace gms91155dxa not staying on. The system ignites, but shuts off after 3 minutes. 1 blink LED system light


100% sounds like an electrical problem, something is not allowing it to go into a duty cycle.

Dec 04, 2016 | Goodman Heating & Cooling

1 Answer

Amana Air Command 90 furnace LED light blinks 3 times pause 3 times


TRI-COLOR (DSI LED) DIAGNOSTIC TABLE
No. of Red BLINKS
1 Flame sensed when no flame should be present
Verify the gas valve is operating and shutting down properly. Flame in burner assemble should extinguish promptly at the end of the cycle. Check orifices and gas pressure.

2 BLINKS Pressure switch stuck closed/ inducer error
Pressure switch stuck closed. Check switch function, verify inducer is turning off.

3 BLINKS 1st-stage pressure switch stuck open/inducer error
Check pressure switch function and tubing. Verify inducer is turning on the pulling sufficient vacuum to engage switch.

4 BLINKS Open limit switch Verify continuity through rollout switch circuit.

5 BLINKS Open rollout/open fuse detect Verify continuity through rollout switch circuit, check fuse.

6 BLINKS 1st-stage pressure switch cycle lockout If the first stage pressure switch cycles 5 times (open, closed) during one call for heat from the thermostat the control will lockout.Check pressure switch for fluttering, inconsistent closure or poor vacuum pressure.
7 BLINKS External lockout (retries exceeded) Failure to sense flame is often caused by carbon deposits on the
flame sensor, a disconnected or shorted flame sensor lead or a
poorly grounded furnace. Carbon deposits can be cleaned with
emery cloth. Verify sensor is not contacting the burner and is locatedin a good position to sense flame. Check sensor lead for shortingand verify furnace is grounded properly.

8 BLINKS External lockout (ignition recycles
exceeded where flame is established and then lost)Check items for exceeded retries listed above and verify valve is not dropping out allowing flame to be established and then lost.

9 BLINKS Grounding or Reversed polarity Verify the control and furnace are properly grounded. Check and reverse polarity (primary) if incorrect.

10 BLINKS Module gas valve contacts energized
with no call for heat Verify valve is not receiving voltage from a short. If a valve wiring is correct and condition persists, replace module.
11 BLINKS Limit switch open - possible blower
failure overheating limit Possible blower failure, restricted air flow through appliance or duct work. Verify continuity through limit switch circuit and correct overheating cause.

12 BLINKS Module Ignitor contact failure Fault code indicates the module ignitor contacts are not functioning
properly. Replace module.Solid Module - internal fault condition Module contacts for gas valve not operating or processor fault.
Reset control. if condition persists replace module.
3 double 2nd-stage Pressure Switch Stuck Open/Inducer Error
Check pressure switch function and tubing. Verify inducer.

Nov 11, 2013 | Patton Electric Patton PUH680-U Electric...

1 Answer

Fires and runs for a few minutes then shuts off tries to re fire a few times then goes to 2 blinks=cannot sustain or detect flame.


There is a flame sensor located in the last burner that lights up. It is either not seeing flame or not getting flame to it within a certain time. Check the wire that comes from it and goes to the circuit board for a bad connection. Check any ground wire connections for a bad connection. Pull out flame rod (sensor) and polish it with a scrub pad or soft wire brush. If none of these recommendations help, replace the flame sensor. Make sure the flame travels to the last burner, if not, clean the flame tray that allows the flame to go from one burner to another.

Feb 13, 2011 | Mr. Heater MHU75NG

1 Answer

Carrier 58sxc120 won't ignite and I get a fault code blinking light of short long short don't know what it means.


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. Please see "limits, rollout switches & furnace control boards" further down on this page. 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.

Nov 24, 2010 | General Heating & Cooling

1 Answer

Pilot lights ups and runs normal then gas shuts off while fan or blower runs. there is a red light blinking. this unit has a temp stick or something on the far left of the glow plug that i have sanded very...


I would say that what you sanded is probably the flame sensor. If burner is on for a short time and then shut right back off I would first check connection to this sensor and if that does't help I would replace the sensor. Hope this helps. Thanks

Nov 14, 2010 | Goodman Heating & Cooling

1 Answer

Turn up t-stat, circ fan runs, hot surface igniter glows burner lights blows warm for a short time and then goes cold, flashes 1 flash, ignition problem, no flame when acting up. model# DGAA070BDTB.


The thermocouple lets the control know the flame is burning, and if it doesn't sense flame it shuts off just what you describe. Sounds as though you need to replace the thermocouple.

Nov 11, 2010 | Heating & Cooling

1 Answer

Amana Air Command 80 SSE gas furnace will not stay running


In the path of the flame on the last burner that starts, there will be a small rod. That rod is the flame sensor. Take a scrub pad and polish it. Also check the electrical connection that goes back to the circuit board. Disconnect any ground wire from the circuit board to furnace cabinet, sand it and replace it.

Mar 14, 2010 | Heating & Cooling

2 Answers

Ruud furnace Model URKA A030jK08 Code opt 589


Flip the lower panel over and look for a wiring diagram. On that diagram there will be a diagnostic chart. Let me know what 5 blinks represent. Then I want you to read on.

On a call for heat, the 24 volt thermostat sends a signal to the control module. The control module will indicate a call for heat with a light on the control either blinking or remain solid depending upon model. The inducer (exhaust) blower will purge all gasses from the furnace and pressurize a pressure switch. Once the pressure switch tells the module to continue, the electronic ignition will energize and send 120 volts to the igniter. The igniter will glow and you will be able to see it if viewed thru the small inspection port. Once the igniter gets hot enough, it sends a signal to the module opening up the gas valve (24 volts). Either a pilot will come on or the burner tube will ignite then spread the flame to all burners. Lastly a safety sensor will be looking for a certain temperature within a few seconds and the furnace will continue to operate and the room air blower will turn on in a minute or two.

What could go wrong? The unit will not run if there is no signal from the thermostat (bad thermostat or broken wire), the control module does not sense a signal from the thermostat (bad control), the inducer does not energize (bad motor), the pressure switch does not close (blocked vent piping, bad switch, plugged condensate hose), the igniter does not energize (bad control, bad igniter), the gas valve does not open or there is no gas (bad gas valve, broken wire, no gas), the pilot does not light (dirty pilot), the burner does not light (bad burner, plugged orifice, not enough combustion air), the flame does not spread to each burner (bad flame spreader, dirty flame spreader, more bad burners), the flame safety sensor does not detect flame (dirty or bad flame spreader, bad flame sensor, broken wire, bad control), or the room air blower does not energize (bad fan motor, bad control).

Nov 23, 2009 | Heating & Cooling

1 Answer

Furnace shut off after 3 time flame from pilot


Sounds like you may have a weak or bad flame sensor. If the circuit board does not sense a good flame it will not light the burners. Also if your furnace is 5 yrs or newer it should give you a fault on circuit board in the form of a blinking or a code itself.

Feb 15, 2009 | Goodman GMS90703BXA Heater

1 Answer

Gas heater won't work


Which flame sensor did he replace? The pilot flame or the plenum temp. sensor.

Dec 14, 2008 | Carrier 38CKC036 Air Conditioner

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