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How do you test the ignitor on a delonghi gas heater

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6ya6ya
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Posted on Jan 02, 2017

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Therinnaiguy
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SOURCE: heater wont ignite

Can you give us a hint as to a make and model? Check the reverse side of the access panel within the wiring diagram for diagnostic codes.

Posted on Mar 16, 2008

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SOURCE: no hot water

Remove the molex plug from the board, and ohm out the leads. You should get a reading, which then you can check to the manual. Hope this helps
P.S. If you get OL or infinity, then the ignitor is bad, as well as if it reads continuity.

Posted on Mar 19, 2010

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1 Answer

Heater will not ignite


  1. Do you have a standing pilot style heater = Milivolt
  2. or is it an IID = Spark style ignitor
  3. Or... Hot surface Ignitor = glows red hot like an auto cigarette lighter?

Most common problem I have come across over the last few weeks, is pressure switch not closing, meaning - dirty filter. Try cleaning your filter: backwash or rinse cartridges.

  1. is pilot staying on, and burning well?
    1. If so, is htr's gas valve in ON position?
  2. Do you hear sparking?
    1. If No, then one of the safety switches is keeping heater from firing...
      1. Toggle switch - on/off
      2. Thermostat - turned up high?
      3. Pressure switch - closes circuit when pump comes on
      4. 2 each high limits
      5. Fusible link / roll out switch
    2. If yes, either gas valve is off, is bad or the Ignition module is bad? Some call it grey box.
      1. You will need to test for voltage at the common and MV posts of the gas valve - 24 to 28 volts. If voltage = bad gas valve; if no voltage = bad IID Module (Intermittent Ignition Device)
  3. Do you see a bright red glow in the burner tray area?
    1. If yes, either fuel supply is off, or Ignitor has worn out and the glow is not hot enough to ignite raw fuel.
    2. If no, check voltage at Ignitor - depends on make and model of heater- could be as low as 24 volts and as much as 110 volts. So... No voltage at the supply wires = bad sending component, again depend on brand and model, could be ignition module, could be circuit board?
    3. If yes voltage, bad Ignitor
      1. Again, this is if fuel supply is confirmed.
Good Luck

May 08, 2015 | Teledyne Laars Laars Lite 2 Pool Heater...

1 Answer

Can DeLonghi ventless heater Model WIR2LP be converted to Natural Gas


Usually all it takes is you have to change the oriface size, I think natural gas is a smaller orifice.

Oct 05, 2014 | DeLonghi Heating & Cooling

1 Answer

Delonghi Superser won't light there is gas getting


Clean pilot first see if it lights if not you could change thermocouple

Apr 03, 2012 | DeLonghi Heating & Cooling

1 Answer

Where can I get user instructions for my Delonhi VBF2 heater


Hi Joyce: The User Guide for the DeLonghi VBF2 Blue-Flame Gas Stove can be downloaded in PDF from:

http://web1.dlservice.org/dlservice/ext/delonghi/vislibretti.php?cod=0123231002

Thank you for using FixYa!

Feb 02, 2012 | DeLonghi Heating & Cooling

1 Answer

I HAVE PROBLEM WITH HEATER IS SWOING 1F IN THE SCREEN


YOur 1f code is actually a IF code which stands for "ignition failure".
This can be caused by many things, but the most likely is either the ignitor has failed, or the flame sensor has failed.

Make sure the gas manual gas valve is open. Remove from panel so that you can see the ignitor.
Turn off power, then turn back on. After 90 seconds, the ignitor should start to glow red hot. If this is not occuring, then it is likely the ignitor or ignitor wiring.

If the ignitor does glow, then the heater ignites, but still goes off showing the IF code, then it is the flame sensor.

If the ignitor glows, and the heater does not ignite, it is likely the gas valve or ignition control.

As stated above, the ignitor is most likely.

Dec 30, 2010 | Hayward H Series Pool & Spa Heater 400k...

1 Answer

Dependable ninety two blower comes on no igniter glow gas flows


if you dont see the glow of the ignitor it is probably bad . you can check with a meter that has an ohms scale, unplug and test ignitor side OL would be a bad ignitor 45-110ohms ok.

Oct 03, 2009 | Goodman GMS90703BXA Heater

1 Answer

Quattro Plus heater will not stay alight


Does this unit have a thermocoupling?

If so replace it. (6 bucks)
It is the units flame sensor and they routinely go bad.
When they no longer sense flame the unit will shut off gas to the ignitor/burner.
It will only stay lit when you are manualy holding the button.

Dec 03, 2008 | DeLonghi Heating & Cooling

1 Answer

Heater wont ignite


Can you give us a hint as to a make and model? Check the reverse side of the access panel within the wiring diagram for diagnostic codes.

Mar 14, 2008 | Heating & Cooling

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