Question about Hobart HGC502 Stainless Steel Gas Double Oven

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My hobart hgc-5 convection oven heats intermittenly. Heat goes on then off. I replaced the thermostat, ignition wire and ignition board. Still only heating intermittenly. What do I do?

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I would replace the flame sense or clean it and make sure it is in the flame it will glow red you can see this if you remove the front and cover it is tough but can be done.also check to make sure it is not in a drafty location the air movement could blow the flame around and not hit the flame sense.it is just a metal rod with ceramic insulator.the flame is actually conductive.it will carry a small current.That is how the ign. module knows the flame is lit and dont just let gas pour in without being lit.

Posted on Apr 22, 2011

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My Frigidaire convection oven will not heat up. What would be the cause?


Nothing Works, or the Oven / Range / Stovetop Works Only At Certain Times:

1.Home breaker flipped or the fuse blown?Possibly an electrical surge has flipped the breaker. Check your breaker or fuse box and replace or reset as necessary.
2.Power cord plugged in?Grab the plug and wiggle to determine a good connection.
3.Power cord damage?Damaged rubber with wires showing through or the wire is being pinched can cause issues. Electrical tape is acceptable for covering damaged wires.
4.Aclicking sound could be something wrong with a relay. Check for any loose connections around the main control board on your oven. The click you hear is a relay losing power and switching back on. If the clock resets then something is causing power interruptions to the board.

If your oven has internal fuses, a wiring or component problem could have caused a fuse to blow. A blown fuse is an indication that a component has shorted or failed, and the problem will need to be corrected. Most ovens that use fuses will have an indication of the circuits that are affected by a particular fuse. If an oven fuse has blown, then you should inspect the oven element and the associated wiring to determine the cause before replacing the fuse.

THINGS TO CHECK:

the broil element
is the heating element that is found at the top of the oven and produces a very high heat for broiling. If the broil element isn't working, you should first do a visual inspection for signs that the element has blistered or separated. If the element appears normal then you can check for continuity with a multi-meter. Remove power from the appliance before performing this test. Remove the back panel and locate the terminals for the broil element and inspect the terminals and wires for signs of overheating or damage.

If there is no continuity then the element will need to be replaced. If the wires are damaged then they will need to be repaired. If the element is ok then you will need to check the broil circuit to determine the cause. This involves live voltage checks and should only be performed by qualified persons. Components to check include fuses, if the range is equipped, and oven control thermostat or electronic control.


The bake element
is the heating element that is found at the bottom of the oven. Most electric ovens use both the bake element and the broil element in a bake cycle, with the bake element performing 90% of the heating. If the bake element isn't working, the oven may not heat. To help determine if the bake element is defective you should first do a visual check. If the element is blistered or separated then it should be replaced. If the element appears to look normal, then turn the oven on to a bake function for a minute and then turn it off.

Check the element for signs of heating and if it is still cold then it may be defective. Disconnect the power and then remove the back panel. First check the wires as they may have become loose or corroded. If the element appears to be fine visually, test it for continuity with a multi-meter. If the element is burned or no longer has continuity, it will need to be replaced.

The oven safety valve
(also called the gas valve) is the part that ensures that gas is not released until the igniter has reached the correct temperature needed to ignite the gas. While this part can fail, it is uncommon. If the hot surface igniter does not glow you should first verify that you have voltage to the circuit. This is a live voltage check and should be performed by a qualified person. If voltage is lost at the valve terminals then you should verify the continuity of the bi-metal in the valve using a multi-meter.

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2 Answers

Bosch HBL 645 Convection Oven -- No Heat


first out put voltages measures,when output voltages ok , then see the control circuit.after tnat every thing ok. replace heating elements.

Dec 10, 2007 | Bosch HBN 442 / HBN446 Electric Single...

1 Answer

Smeg FU65-5 Oven temperature & timer & function knob lights not turning on and oven does not heat up but the fan comes on.


This tutorial will show you how to check your Smeg element and how to replace your Smeg cooker element.
Here are the 3 main faults to look for in your oven or cooker that is not heating
  1. Your oven will not work until the clock/timer has been re-set after replacing an oven element or tripping the electrical supply. Consult your Smeg manual.
  2. If your Oven is not getting hot or heating up it could be a faulty element, if the fan in the oven is running and the thermostat light is on, this will lead us to believe that the element has gone faulty. With grills the thermostat light should come on there should be heat, if not then this could be the grill element or the thermostat.
  3. When you turn the oven on, the household electrical supply trips on the Rcd (this is the earth trip in the fuse board sometimes called the breaker tripping) your fan oven element has gone to earth and needs replacing.
If this helped you why not get me a beer? Paul is from the Naturally he would appreciate beer How to Repair Home...

Dec 02, 2012 | Smeg 24 in 60 cm Stainless Steel Electric...

1 Answer

I have an Electrolux Frigidaire Self Clearning Convection Oven. I was cooking yesterday when it went off and I cannot get any heat now. The oven still lights up when I turn it on. The fan still wor


Hello - Sounds like the element or the control board to the element is not communicating correctly. I would have a professional diagnose the element first. You may only need to replace it. Otherwise it could be the control board not allowing the element to heat up properly, a faulty mechanical thermostat or an oven sensor.

Oct 19, 2012 | Frigidaire GLEB27S7A Electric Single Oven

1 Answer

F8 heat low it goes up to 494 and stops there


It generally is the IR Element that has gone bad. Look for burned wiring where the IR Element enters the oven cavity. Check for continuity through the IR Element.

1. Check that the blower motor is moving air.
o Blower motor is not moving air: Check blower motor assembly
and verify motor is stalled. Unplug oven and correct obstruction or
replace motor. (For access to motor shaft, remove top panel.)
o Blower motor is moving air: Verify high-limit thermostat is
not tripped. See the high-limit thermostat information below.
High-Limit Thermostat:
o Thermostat tripped: Reset and determine why the thermostat
tripped (See Figure 38, Item 114). Look for excess build up of
grease inside the oven or any other source for a fire.
o Thermostat is not tripped: Check main convection heater.
1. Convection heater is defective: Unplug oven and replace the
convection heater and verify the K4 SSR (Figure 37) is not
shorted across output.
2. Convection heater OK: Check the K4 SSR.
o K4 defective: Unplug oven and replace.
o K4 OK: Unplug oven and verify all wiring. Verify P1 voltage on
I/O board is 5.0VDC (+/- 0.02) -

Aug 28, 2010 | TurboChef TORNADO Electric Oven

1 Answer

Vulcan convection oven model SG4d-1 will not ignite burners


Gas does not ignite. No spark. No Ignition light is not ON.
1. Shorted electrode on igniter/flame sense.
2. Igniter cable (high voltage) OPEN.
3. Heat relay malfunction.
4. Centrifugal switch in blower motor inoperative.
5. Transformer inoperative.
6. High limit thermostat open.
7. Interconnecting wiring malfunction.
8. Ignition module malfunction.

Sparks but gas does not ignite.

1. Gas solenoid valve off or inoperative.
2. Manual gas valve closed.
3. Gas supply OFF or insufficient gas pressure.
4. Inerconnecting wiring malfunction.
5. Igniton module malfunction.

Feb 23, 2010 | Vulcan Convection Oven - VC44EC-208-1

1 Answer

GE profile lower oven does not turn off...maintains low heat with the convection fan on for several hours.. When i turn oven back on and then off it stops...but the problem continues to happen periodically


Stove will not turn off CHECK

Temperature Control Thermostat


If the oven won't turn off the oven thermostat is often the cause of the problem. The electrical contacts inside the oven thermostat can weld themselves together and then the oven won't turn off. If this happens, turn off power to the entire appliance at the household circuit breaker or fuse. The oven thermostat usually cannot be tested and must be replaced if defective.

Oven Control Board


The oven control board has a set of relays that turn on and off power to the bake and broil circuits according to the customer settings and sensor input. If the oven won't turn off it could be that one of the relays on the oven control board is shorted closed, providing voltage to the heating circuit. It can be dangerous if the oven won't turn off. Don't leave the oven unattended without turning off power to the oven.

Relay board:
Some ovens are equipped with a relay board. This circuit board has several relays which control the switching of electrical current to the oven heat source. If the oven won't turn off it may be that one or more of the relays on the relay board have failed. If this happens replace the relay board. The relays on the board are not sold separately. ALSO CHECK THE BAKE AND BROIL ELEMENT.

Sep 12, 2009 | GE Ovens

2 Answers

Fan but no heat


This tutorial will show you how to check your Smeg element and how to replace your Smeg cooker element.
Here are the 3 main faults to look for in your oven or cooker that is not heating
  1. Your oven will not work until the clock/timer has been re-set after replacing an oven element or tripping the electrical supply. Consult your Smeg manual.
  2. If you're Oven is not getting hot or heating up it could be a faulty element, if the fan in the oven is running and the thermostat light is on, this will lead us to believe that the element has gone faulty. With grills the thermostat light should come on there should be heat, if not then this could be the grill element or the thermostat.
  3. When you turn the oven on, the household electrical supply trips on the Rcd (this is the earth trip in the fuse board sometimes called the breaker tripping) your fan oven element has gone to earth and needs replacing.
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2 Answers

My covection oven does not heat up once food is put in


on the gas valve there is an adj. for the pilot size, maybe too small , would try increasing the pilot and see what happens.also the thermocouple might be on the way out ,you might want to replace that and try oper. go with thermocouple first, then try pilot size dont forget to vote tks. monomoy

Feb 20, 2009 | Hobart HGC202 Gas Single Oven

1 Answer

Gaggenau oven won't heat on convection setting


this could be due to more than one cause selector switch faulty elements faulty. however this would mean both elements gone - there is one at the top and one at the bottom also worth while looking at the wiring to the convection elements. does the thermostat neon come on when convection is selected?

May 18, 2007 | Gaggenau EB294/295 Electric Double Oven

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