Question about Whirlpool SF315 Dual Fuel (Electric and Gas) Kitchen Range

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Oven takes way too long to heat

My oven doesn't have a flame until at least 15 minutes after I turn it on. It wasn't always like this. Broken ignitor????

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  • pkapostolidi Oct 02, 2008

    i also had the same problem with my oven ,replaced the ignition and flow valve prior to that, but flame does not seem that intense . flame turns on and of thermostaticaly, any ideas or is that normal





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This advice is for GAS ovens with glow bar type igniters. This is how to determine if the igniter is bad. This is a fairly simple repair that MOST do-it-yourselfers can accomplish with just a little guidance.

An igniter typically goes bad in one of two ways, the igniter either stops glowing completely, or becomes weak over time and doesn’t produce enough current to open the gas safety valve (in this case the igniter will still glow but the oven still won’t light). Longer ignition times can be another symptom of an igniter possibly going bad. An igniter should only take 30-90 seconds to ignite.

TWO BASIC IGNITER TYPES:
Carborundum (Cylindrical in shape) – needs to produce 2.5 to 3.0 amps for the gas safety valve to work.
Norton (Rectangular in shape) – needs to produce 3.2 to 3.7 amps for the gas safety valve to work.
NOTE: There is a UNIVERSAL FLAT BAR igniter on the market as well, that can be used as a substitute if the igniter type that came with your range is not available.
For this solution, however, we’re going to assume you have a bad igniter and need to replace it. Follows these steps:
NOTE: The same method applies to both the broiler and bake manifold.

  1. UNPLUG the range and turn the gas off if you have a local gas cut-out valve (it is recommended that you do).
  2. Open oven door and remove (if possible). Refer to your owner’s manual to see if there are instructions on how to remove the oven door. Some have spring-loaded locking hinges, while others just lift out. If you cannot figure out how to remove the oven door, use care not to lean on the door or put too much weight on it. A common complaint following any kind of oven maintenance is that the oven door doesn’t shut correctly any longer. This is usually caused by bending the hinges or springs coming loose.
  3. Remove the oven racks, and remove the oven pan. (There are usually two screws either in the back or front of the oven holding the pan in place).
  4. Remove the Flame Spreader. This is a metal plate on top of the manifold.
  5. The igniter will be mounted directly to the gas manifold. Follow the wires that lead to igniter. It will either be plugged into a connector, or be connected together with ceramic wire lugs. Your replacement igniter should come with extra ceramic wire lugs. In the event the plug does not match the one on your range, cut the wires and connect using the ceramic wire lugs. DO NOT use standard wire lugs, they are not heat resistant and will melt.
  6. Unplug the old igniter and remove the mounting screw holding it to the gas manifold.
  7. Install new igniter on gas manifold using care not to handle the element on the igniter with your hands. The oil from your hands can cause damage and/or premature failure. The igniter is also considered FRAGILE.
  8. Reconnect the wires using the recommendations mentioned in Step 5.
  9. Plug in the range, turn the gas valve back on and do a visual test by setting the oven temperature to the desired range. Allow 30 – 90 seconds for the igniter to light the gas. Turn oven off and allow sufficient time to cool. If the oven has only been lit for a minute or so, the cool down period will be brief.
  10. Reinstall the flame spreader, oven pan, and racks. Reinstall door if necessary.
Most igniters cost around $50. Prices will vary with models. I hope this information is helpful.

Posted on Mar 24, 2008

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