Question about Tappan TGF657 Gas Kitchen Range
Approximately,few months ago noticed while using oven on the preheat setting was taking a long time to heat up.
Upon further investigation noted that on preheat only the upper broiler was on trying to heat the whole oven and the bottom burner was off. From that point on I started heating oven by putting it on bake setting and appeared to bring up temperature better (using bottom burner). NOW to our current problem; starting oven on bake, would smell gas would ignite loud puff sound heard and would eventually get to temperature but then start losing temp.After removing some internal oven panels observed the following:on bake setting bottom bake igniter glows, burner ignites but never goes to the larger flame. On broil setting broil igniter glows burner comes on appears high and when change to low broil keypad beeped showed low on display-- flame spread remained the same -no change.When start oven on preheat only broiler comes on to heat oven-- bottom burner never comes on. At present panels still off. Any help to direct what problem is would be greatly appreciated-dual combine brake/broil valve?, electronic control board- an actual circuit board? Other?
THANKS FOR ANY HELP/GUIDANCE.
Lets take the oven problem first. Sounds like you have a Hot Surface Ignitor problem. This is the device that glows and lights the burner. You can buy a universal ignitor at most appliance or heating and air conditioning supply houses. Note carefully how the old one is mounted. You may have to make some adjustments to mount the new ignitor, but it MUST be close to the gas burner like the old one! You don't smell gas because the gas valve will not open until the ignitor is hot. All ignitors work with the same voltage, so simply connect the new wires to the old ones.
I'm not certain if you have a standing pilot for the stove top burners or electronic ignition. Remove the top panel to check. If you have a gas pilot, relight it. If electronic ignition, clean the ignitors. If that does not solve the problem you may have to call a technician, as these systems can be complex.
Hope this helps.
Posted on Nov 22, 2008
Your ignitor has gone out or is no longer drawing enough current to open the gas valve. Replace the oven ignitor and it will fix your problem.
Posted on Nov 26, 2008
SOURCE: Gas smell, oven not heating up
You gas oven uses a glowbar to both regulate and ignite the gas entering the oven. If this glowbar is faulty, it might let some gas into the oven but it is not hot enough to ignite the gas. That is why you are smelling gas. I would suggest to start by replacing the glowbar (and if this is not the solution, simply return the part for a refund). The part you are looking for can be found online here: http://www.partselect.com/PartDetail.aspx?Inventory=470129&SourceCode=1
It is quite easy to replace. Simply remove the free-standing pan on the bottom of the oven, unscrew the existing glowbar, remove the back cover from the stove and trace the two wires that belong to the glowbar and unplug them. Thread the two wires from the new glowbar through the opening and reconnect to the plugs at the back of the stove. Screw in the new glowbar and test. Most oven ignition problems are caused by faulty glowbard. Good luck.
Posted on Jul 30, 2009
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