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I have a Tappan furnace FG6RA 072C-12A everything sound like its working but the gas will not ignite the flame. Any suggestions?

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Posted on Jan 02, 2017

james3751
  • 614 Answers

SOURCE: I have a Nordyne FG6RA 072C gas furnace that does

Thes switches are very sensative to any air change. Check to see if you have any restrictions in the exhaust vent. Also check to see if you have any restrictions in the furnace side such as rust or soot. The entrance to the exhaust fans collect a lot of moisture and you may ahve to replace the intire assembly. Keep in touch Rus

Posted on Nov 25, 2009

shastalaker7
  • 1515 Answers

SOURCE: I have a Nordyne FG6RA

Hi, this is very easy for you to solve. Just follow what I say. Go to the indoor unit, and remove panel. The inducer motor comes on first. It will have a small air type poly tube coming off of it that goes right to this pressure switch. Some are silver and round with a barb on them with 2 wires going to them. They have a set of contacts in them that stick at times. Just take the tube loose at the motor end and blow back and forth through it. You will her the contact open and close, a small click. Now put it back on and try and start it. It will fire right up. If not, you can also check it by taking a piece of insulated wire and jump across the switch wires, bypass it. It will come on for sure. This will tell you that the switch is bad and you will need to go to a appliance parts house to get a new one. You can do this a save lots of $$$$$!! Blowing should do the trick, this happens a lot. Please rate me on my help to you. Don't be afraid of the voltage as it is only 24 volts, very low.
Sincerely,
Shastalaker7
A/C, & Heating Contractor

Posted on Jan 21, 2011

icemelts
  • 246 Answers

SOURCE: I can't find the summer

there isn't a summer switch - the thermostat will switch the operation from heat/winter operation to cool/summer operation. I.E. "Cool" for Summer and "Heat" for Winter.

Posted on Aug 05, 2011

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1 Answer

We have a 1998 frigidaire furnace. M#FG6RA 072C-12A. It has a mind of its own! there is a red light that flashes 3 times.


Check the electrical panel cover for the schematic and see if the flashes are listed with their troubleshooting codes. If not check any documentation that came with the unit, or go on the internet and do a Google search.

Nov 06, 2013 | Frigidaire Heating & Cooling

1 Answer

I can't find the summer switch on my furnace model FG6RA 072C-12A


there isn't a summer switch - the thermostat will switch the operation from heat/winter operation to cool/summer operation. I.E. "Cool" for Summer and "Heat" for Winter.

Aug 05, 2011 | Heating & Cooling

1 Answer

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.

Dec 11, 2010 | Mr. Heater Natural Gas Garage Heater -...

1 Answer

I have a newer tappan heater and get 4 blinks on led for error code the unit starts up fine and has flame but flame goes off when blower kicks on


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.

Nov 26, 2010 | Heating & Cooling

1 Answer

My goodman furnace keeps lighting for about 10 seconds than goes out lots of clicking sounds


Problem: Your furnace will not ignite the gas to produce heat for your home. When a furnace has a bad igniter 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 igniter. I would suggest that you inspect your igniter closely for cracks. Make sure you do not touch the igniter with your bare hands. If you do not visually see a crack, then you could have a furnace control board problem or a limit, roll-out 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.

NATE, NCCER, PHCC,HVAC Certified Instructor

Oct 25, 2010 | Heating & Cooling

1 Answer

I have a Nordyne FG6RA 072C gas furnace that does not start. I get three blinks of the red light which indicates the pressure switch is stuck closed. I replaced it with a new one, cleaned out the inducer...


Thes switches are very sensative to any air change. Check to see if you have any restrictions in the exhaust vent. Also check to see if you have any restrictions in the furnace side such as rust or soot. The entrance to the exhaust fans collect a lot of moisture and you may ahve to replace the intire assembly. Keep in touch Rus

Nov 25, 2009 | Heating & Cooling

1 Answer

Heater will not light,ignighter glows,fan comes on,wont light,then shuts off


If your igniter comes on but no ignition, that eliminates the possibility of a bad or clogged pressure switch, high limit or flame rollout switch. Sounds to me like you have a control board, or a gas valve going bad. Could even be some loose, corroded, or faulty wiring. Before the igniter comes on the furnace does a self diagnostics to ensure everything is working, or the furnace will not make it to the igniter sequence. Inducer motor, pressure switch/s, limit controls are closed…then comes on the ignitier, gas valve opens, pilot runners and burners ignite, flame sensor detects the flame, blower comes on and all operations are working.

Hope this helps

Nov 30, 2008 | Heating & Cooling

1 Answer

Code continous flashing


If your igniter comes on but no ignition, that eliminates the possibility of a bad or clogged pressure switch, high limit or flame rollout switch. Sounds to me like you have a control board, or a gas valve going bad. Could even be some loose, corroded, or faulty wiring. Before the igniter comes on the furnace does a self diagnostics to ensure everything is working, or the furnace will not make it to the igniter sequence. Inducer motor, pressure switch/s, limit controls are closed…then comes on the ignitier, gas valve opens, pilot runners and burners ignite, flame sensor detects the flame, blower comes on and all operations are working.

Hope this helps

Oct 27, 2008 | Goodman GDS80904BNA Open Flame Heater

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