Question about Imperial IFS40 Deep Fryer

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Temperature flux The fryer would not keep a pilot light lit. We replaced the thermostat, hi limit, thermo couple and thermo pile. The pilot would then stay lit. The fryer will now heat to the temp desired on the thermostat. The problem...when we drop in the cold food it takes at least two minutes for the gas to fire to the burner again and in this two minutes the oil temp drops too low to cook. We then thought it must be the valve and so replaced it and got no change in performance. If we leave the appliance alone for a bit it will re-fire and heat to the desired temp. ??? There are only so many parts in this deal right? Thanks, Jason

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May be your regolator not working properly. to check it u can use another applience or change it.

Hamid

Posted on Aug 14, 2008

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When I light my Pilot on my Fryer it will not stay lit long enough to light the fryer. What can i do?


There are several possible causes of this problem, aside from a loose or damaged wire, which is uncommon. The cause in about 95% of the cases is a thermopile that has gone bad. The thermopile is the small cylinder that is attached to the pilot assembly where part of the pilot flame can contact it. It has a cable or wire going to the gas valve, high limit switch, or both. When hot enough, it produces and electrical current that keep the pilot on and allows the main gas valve to open. This is not hard to replace in most gas fryers and not too expensive. This often starts as an intermittent problem. The second possible cause is a defective high limit. The high limit is a small rectangular device with wires going to the gas valve and a tiny stainless tube that goes through the bottom of the kettle to a sensor bulb, like the thermostat has. These are usually self resetting, but may have a small red reset button. If present check the reset. If no reset, jump the two wires and see if the fryer will now light. If so, the high limit is defective, assuming the fryer is not over temperature. If defective, replace. Do not operate the fryer in this condition as there is no over temperature protection. The next cause is if the oil is too hot, in which case the high limit will shut off both the main burner and the pilot. The pilot cannot be relit until the fryer cools down and the high limit resets. If the oil is too hot, usually over 425F, replace the thermostat. If the high limit trips when the oil is in the normal operating range, replace the high limit. The final cause is a bad gas valve. This is not too common, but the gas valve is expensive and a bit difficult to replace. Check all of the other causes first.

Sep 22, 2014 | Deep Fryers

1 Answer

Pilot wont stay lit falcon dominator fryer


There are several possible causes of this problem, aside from a loose or damaged wire, which is uncommon. The cause in about 95% of the cases is a thermopile that has gone bad. The thermopile is the small cylinder that is attached to the pilot assembly where part of the pilot flame can contact it. It has a cable or wire going to the gas valve, high limit switch, or both. When hot enough, it produces and electrical current that keep the pilot on and allows the main gas valve to open. This is not hard to replace in most gas fryers and not too expensive. This often starts as an intermittent problem. The second possible cause is a defective high limit. The high limit is a small rectangular device with wires going to the gas valve and a tiny stainless tube that goes through the bottom of the kettle to a sensor bulb, like the thermostat has. These are usually self resetting, but may have a small red reset button. If present check the reset. If no reset, jump the two wires and see if the fryer will now light. If so, the high limit is defective, assuming the fryer is not over temperature. If defective, replace. Do not operate the fryer in this condition as there is no over temperature protection. The next cause is if the oil is too hot, in which case the high limit will shut off both the main burner and the pilot. The pilot cannot be relit until the fryer cools down and the high limit resets. If the oil is too hot, usually over 425F, replace the thermostat. If the high limit trips when the oil is in the normal operating range, replace the high limit. The final cause is a bad gas valve. This is not too common, but the gas valve is expensive and a bit difficult to replace. Check all of the other causes first.

Sep 19, 2014 | Deep Fryers

1 Answer

Nearest engineer to Stamford


There are several possible causes of this problem, aside from a loose or damaged wire, which is uncommon. The cause in about 95% of the cases is a thermopile that has gone bad. The thermopile is the small cylinder that is attached to the pilot assembly where part of the pilot flame can contact it. It has a cable or wire going to the gas valve, high limit switch, or both. When hot enough, it produces and electrical current that keep the pilot on and allows the main gas valve to open. This is not hard to replace in most gas fryers and not too expensive. This often starts as an intermittent problem. The second possible cause is a defective high limit. The high limit is a small rectangular device with wires going to the gas valve and a tiny stainless tube that goes through the bottom of the kettle to a sensor bulb, like the thermostat has. These are usually self resetting, but may have a small red reset button. If present check the reset. If no reset, jump the two wires and see if the fryer will now light. If so, the high limit is defective, assuming the fryer is not over temperature. If defective, replace. Do not operate the fryer in this condition as there is no over temperature protection. The next cause is if the oil is too hot, in which case the high limit will shut off both the main burner and the pilot. The pilot cannot be relit until the fryer cools down and the high limit resets. If the oil is too hot, usually over 425F, replace the thermostat. If the high limit trips when the oil is in the normal operating range, replace the high limit. The final cause is a bad gas valve. This is not too common, but the gas valve is expensive and a bit difficult to replace. Check all of the other causes first.

Sep 16, 2014 | Pitco Frialator Deep Fryers

1 Answer

Pilot light won't stay lit after releasing when lighting gas fryer


This symptom indicates something wrong with the millivolt system. Start by checking the wires from the thermopile to the gas valve, insuring they are all tight and in place. Check the hi limit thermostat, if you have an ohm meter it should read .1 or .2 across it. With you meter set to dc millivolts, and flame present on the pilot, read across the thermocouple wires (red and white) to see the millivolts generated, with the thermostat off and the gas valve in pilot position you should get approx 600 millivolt plus minus 50. The pilot will have to be on for a minute or so to get maximum millivolts. If the millivolts are correct, hi-limit closed, and all wiring is connected, you likely have a faulty gas valve. If the hi limit reads more than .1 or .2 replace the limit, if you are not getting the millivolts from the thermopile, replace it.

Apr 05, 2013 | Imperial IFS-40 - Gas Deep Fryer - 40 Lb -...

1 Answer

I have a 40c+ss pitco fryer.the pilot will go out at random times.Could be 1hr or 24 hrs after it is lit. The gas valve has been change, and the thermalpile has been replaced.


Check if your pilot flame sufficiently heats thermopile during operation and make sure also that it is free of soot or any form of dirt, thermopile generates small amount of electricity to energize pilot and main valve of the gas valve for pilot and main burner operation. This electricity passes through hi limit mechanical contacts. Hi limit on fryers act as safety device which will shut down pilot and burner flame when oil temperature reaches 450F.
If your fryer is set at 350F and over shoots up to 450F (which will trip hi limit and shut down pilot and burner flame), the thermostat is not good, but, if hi limit trips on temperature much lower than 450F, hi limit is bad.

Nov 12, 2010 | Pitco Frialator 40CNG Deep Fryer

3 Answers

Imperial fryer


Try to clean the pilot orfice,ive seen even though the pilot stays lit it doesnt have enough millivolts to energize the gas valve.Did you check the wiring really good?

Feb 08, 2009 | Imperial IFS40 Deep Fryer

2 Answers

Comercial deep fryer pilot light goes out


This problem could be caused by a few different things. You should check the condition of your pilot and the thermocouple, if the pilot is weak due to being dirty you will not generate the optimum Millivolts to run the fryer, you may need to dissassemble and clean the pilot. The thermocouple needs to be correctly placed in the pilot assembly, if it has dropped down to where it is not in the flame it will not work correctly. You may need a new thermopile as it may not be generating millivolts as needed. Gas pressure can cause this as well, if the pilot goes out then the main burners come on you should check the gas pressure. One more thing to check is the hi-limit thermostat, if this is cutting out early your pilot will go out. Imperial uses a self-resetting limit, after a few minutes your fryer will relight and work until if cuts out again. If your fryer pilot stay on with the thermostat off for long periods of time and does not go out immediately when the burners come on and the pilot is clean, you may need a hi limit. This is a lot of info, I hope it helps.

Nov 29, 2008 | Imperial IFS50 Deep Fryer

2 Answers

Pilot ligt wont stay light


My suggestions,

take the electrical wiring off the terminals of the gas valve one at a time, and clean the contacts with a food grade electronics contact cleaner and degreaser. Make sure all wiring is tight, not loose fitting, and clean. The thermo coupler, or sometimes used thermopile (multiple thermocouples in one) generates a small amount of electrical current when heated. The oil residue on a gas valve's electrical contacts SHORTS OUT THE MINUTE CURRENT GENERATED not giving enough current to hold the valve open.

The next thing, how high is your pilot set? If the flame is not striking the thermo pile properly, if its not directally in the flame, it will not generate enough current to hold the gas valve open. Sometimes a dirty thermo pile just cleaned up with sandpaper will work again (accumulated material acts as an insulator)

If you have access to a very high end electrical meter that is capable of measurung MICRO AMPS (very few) then you should check the actual current ouput of the themo pile.

Another thing, the gas valve solonoid MAY BE DEFECTIVE! IF YOUR THERMO PILE is of the screw in type vrs screwed on type, remove the gas valve end, degrease the inside and also that of the thermo pile surfaces, then use the CLEAN errasser of a pencil to clean both the inside of the gas valve connection, and also that of the thermo pile contacts. NO ERRASSER RESIDUE CAN BE LEFT ON EITHER SURFACE! Do not touch these contact surfaces with your hands because even the resistance of the body oil on these surfaces can mean the differance between it working or not!

The thermo pile or a thermo couple generates a minute amount of current that holds the gas valve on.

PS: and that didn't even cost you a dime, I'm off to an emergewncy service call to fix yet another McDonalds deeping fryer (don't call them beeping fryers cause they beep either!!!)

Nov 24, 2008 | Pitco Frialator SG14 Deep Fryer

4 Answers

Pilot light will not stay lit


You can not check a thermocouple by resistence. You have to check it by millivoltage when it is hot and sensing it should be above 500mv. I would be willing to bet that you have some type of particulate in the gas valve that is causing this problem.

Jun 23, 2008 | Pitco Frialator SG14 Deep Fryer

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