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Gas ignition not working. No voltage to ignitor, no continuity on ignitor leads when disconnected.

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This ignitor is damaged and, replacement of this device is recommended in this case.

Posted on Jul 19, 2009

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IGNITER GLOWS BUT NO GAS GETS TO THE BURNER. WHILE IGNITER IS GLOWING, THERE IS NO VOLTAGE ACCROSS SAFETY VALVE TERMINALS. SAFETY VALVE RESISTANCE IS 2.2 OHMS. NEW IGNITER MAKES NO DIFFERENCE. Model:...


Hello John,
Having replaced the ignitor and the gas valve having continuity the problem has be the gas safety valve bimetal is stuck. The only thing you check is amprage draw on ignitor it should be between 3.2-3.6 (as label on gas valve states) with a new ignitor and again continuty on gas valve its the gas valve its stuck and wont open.

Good luck,
Gene

Aug 09, 2011 | Maytag 27" Built-In Double Electric Wall...

1 Answer

Hi there. there is no spark to ignite the gas in oven.


You will need to replace the spark module if you don't hear any clicking, or there is no spark present when trying to ignite the gas.

To test the Spark Module:
When properly operating, the spark module repeatedly produces a spark at the ignitor accompanied by a sharp snapping sound.
  1. Turn off gas and power supply to unit.
  2. Check wiring diagram to verify all terminals and wire connections are correct and tight with no cuts in the wiring.
  3. Prepare to measure voltage on spark module from terminal L to N.
  4. Turn power supply back on.
  5. Turn top burner to LITE position.
  6. If no voltage is present on the meter, this will indicate the electrical circuit is interrupted before the spark module
  7. If voltage is present, then check ignitor.
  8. If ignitors are ok; then replace spark module.
To access the Spark Module:
  1. Turn off electrical power and gas to the range.
  2. Disconnect gas and power from unit.
  3. Remove screws securing top surface burners.
  4. Remove surface burner and disconnect spark ignitor wire from surface burner.
  5. Raise and remove maintop from unit.
  6. Remove screws securing spark module bracket.
  7. Disconnect wire terminals from spark module.
  8. Replace and reassemble in reverse order.

May 18, 2011 | Amana Ovens

1 Answer

I just replaced the igniter, I can't get it to glow there is no voltage going to it. Then the jandy lx heater goes out on an gas fault. What will cause the igniter not to have voltage!


The fuses found in the lead wires or next to where the lead wires connect to the ignition control board. Find them and confirm with an ohm meter and replace them. Be sure to check the ignitor leads for a ground fault prior to restarting the heater since a ground could have caused the old ignitor to fail and not correcting it will blow the new one as well.

John

May 17, 2011 | Jandy Laars LX Pool Heater / 400,000 BTU /...

1 Answer

Dometic RM3801. Propane ignition failure.


The older units has a 3 VDC glow coil the newer units have a 12VDC igniter.

Fromwhat your described above the next paragragh is your ignition system.

The igniter control voltages in the newer SPARK type igniters are (+) = 12VDC, (L)= high voltage lead (Spark plug voltage! I.e ruin your meter type voltage), (-)= Ground L is the lead that passes the HV spark from the control unit to the ignitor plate. The L lead should pass one heck of a hit if is workng correctly.
If not look at the HV lead to see if it is grounding out somewhere.

If the gas safety valve is not sensing gas pressure... you will not have 12VDC to the + terminal of the ignition moudule.

With the gas on and you have 12VDC at the ignition module + terminal then most likely the ignition module is bad.


Kelly


Apr 17, 2010 | Refrigerators

1 Answer

I replaced the igniter and thermal fuse and dryer


The thermal fuse should only be replaced if the dryer will not start
If it starts the thermal fuse is good.
If you touched the ignitor with your fingers it may have blown out.
Open the dryer and check for voltage to the ignitor through the ignitor wires while the dryer is on.
If you have no voltage check the hi-limit thermostat for continuity as well as the operating thermostat.
Check the flame sensor for continuity while it is cold.
If you have power to the ignitor place a clamp on amp meter on one ignitor wire and turn the dryer on.
If you read 3 amps or less the ignitor is bad.
If it reads the amps or more the gas valve coils are bad.

Jan 17, 2010 | Whirlpool Dryers

1 Answer

I found the Bryant furnace 395cav048090 calling for heat but not operational. I shut off power to the unit and switched power back on and the unit started its ignition sequence. With power on the blower...


If you do not see a bright light before the gas releases, your ignitor is probably out. If you disconnect, you should measure ohms from the two ignitor leads. If you do not measure any, it is open and will not work. You will usually see a mark of white on the ignitor. Another possibility is the circuit board may not be sending the required voltage to ignite the ignitor so you'll want to check that too.

Jan 11, 2010 | Bryant Heating & Cooling

2 Answers

Jandy Lite 2 LJ will not ignite


Depending on the exact model, it would have either a spark ignitor or a hot surface ingnitor. The HSI uses either 24 or 120 Volts, the spark only uses 24 V. Easiest way to check is to use a volt meter, disconnect the ignitor plug, use the volt meter leads to check voltage at the plug and have the boiler start its ignition cycle, if you have voltage during the cycle, the ignitor is bad. If you are unsure of checking for voltage, have a professional do it. You can be seriously hurt or electrocuted if you are not careful on 120V ignition systems.

Jul 24, 2009 | Jandy Lite 2 Natural Gas Pilot Light...

2 Answers

Ignition


If you smell gas, then check the ignitor circut first. A spark ignitor usually has a grey or orange wire, leading from the ignitor to the input circut. Try testing the terminal where the ignitor is powered, when the unit should be calling for ignition. If there is ample voltage to the ignitor, but it will not spark, shut off the power and the gas to the appliance and remove the pilot assembly. The ignitor will either unclamp or unscrew from it, and can now be replaced. Check to see if it is properly spaced (which it should be if undisturbed), or if any deposits are on it. Sometimes they can be properly spaced or cleaned to work once again.
- Ian Miller

Apr 11, 2008 | Vulcan Convection Oven - VC44EC-208-1

3 Answers

Top oven bake igniter comes on, but gas does not.


Check the voltage on the 2 wires going to the oven gas valve. If you get 120v when the ignitor is on with no gas coming out, you have a bad gas valve. If you get voltage, but it is not much, it is the ignitor. The ignitors don't burn out completely on the ovens, they just get a little dim and no longer ignite the gas and eventually will not turn on the gas valve

Dec 19, 2007 | Amana AOGD2750 Gas Double Oven

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