Question about Vulcan GRD45 Deep Fryer

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Can not get fryer to turn on. when you flip the switch to the on position, the high limit light flashes and go back off emediatly, and no power comes back on. i can here a click in the board behind the front panel but see no resets for high limit. all conections seem to be connectid.

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The High Limit is a self resetting thermostat that acually works like an oven control. If the fryer is too hot it will cut off the gas burner valve voltage:
OEM PN is 00-854453
Original PN VUL854453

Source 1
http://www.3wire.com/webstore/parts/PartSearchResults.aspx?searchText=Switch+High+Limit&mfrCode=VULCAN
$98.50
Source 2 Must log in.. new account
http://www.a1service.com/vulcan/vulcanlimit.htm
$90.20

The 854453 number comes up often in the part search for the high limit.
The high limit contacts can be checked and reading the NO and NC terminals. This control / switch is normally closed until opened by heat at 450 Deg F.

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Kelly

Posted on Sep 28, 2010

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Posted on Jan 02, 2017

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1 Answer

How do I turn on?


I just tested a Eurodib Model SFE01860-120 that would not turn on.

If you have added oil and plugged it in and pressed the on/off switch but the light does not come on, you have to rotate the thermostat control to the desired oil heating temperature. The red light will then come on and it should start to heat. If not, then the high limit safety cut off switch has tripped. Check the black screw button on the back.
Using a larger flat blade screw driver or your hand, unscrew the cover counter clockwise and push the little pink (red?) rod back in all the way. Replace the cover of the limit switch and all should be good to go. If not, then there must be loose wires inside. The high limit switch could have tripped if the fryer was turned on without oil for any length of time, which would cause the heater element to get hot really fast. Not a good idea.
Hope this helps
Dr Fix-it.

Aug 17, 2015 | Kitchen Appliances - Others

1 Answer

Replaced the thermostats and high limit switches on both sides of a double vat unit. One thermostat blew immediately when the power was turned on. Blew like burned the guts out of it. This side is now dead...


Hi there, it seems that the wiring is messed up. For wiring diagram, you may visit www.wells-bloomfield search for your fryer model and you may be able to download it free.

Jan 30, 2014 | Wells F-67 21167 Deep Fryer

1 Answer

Igniter isnt lighting


IF YOU LOST POWER WHEN FURNACE WAS RUNNING IT TRIPPED ROLLOUT SWITCHES AND POSSIBLY THE HIGH LIMIT . IN CENTER OF ROLLOUT SWITCHES IS A LITTLE RED BUTTON THAT YOU RESET . YOU CAN ALSO TRY FINDING HIGH LIMIT WITH POWER SHUT OFF TO FURNACE PULL BOTH WIRES OFF HIGH LIMIT AND USE PAPER CLIP TO JUMP BETWEEN THE TWO WIRES MAKE SURE YOU DONT SHORT OUT AGAINST ANY METAL WHEN YOU TURN BACK ON IF IT WORKS YOU NEED A NEW HIGH LIMIT SWITCH.

Jan 08, 2014 | Coleman 7990-319p Evcon Gas Furnace...

1 Answer

Have a fryer that i have a problem keeping lit. the reset button when oushed keeps clicking once you get it to stop the fyer will lught however only stays lit a few minutes. not sure if its that swutch or...


Unless the fryer is running at 400 degrees or higher its that switch that is bad. That is a high limit and should not trip off unless the fryer gets close to the flash point of cooking oil which is in excess of 400 degrees for most oils. If I'm not mistaken the high limit is set to trip at 450. It's also a good idea to check the temperature of the oil when its working properly. It should run at 350 and its common to see the flames go off at about 360 and then come on again around 340 to maintain an average of 350. A bad high limit is a common problem.

Aug 06, 2011 | Pitco Frialator 35CS Deep Fryer

1 Answer

It does'nt kick the fire.


Check the thermostat for continuity. Check the millivolt output for the pilot generator. Check the high limit for continuity.
If all these are correct... the fryer will light. Make sure you turn the gas valve to the ON position after lighting the pilot.
Tom

May 06, 2010 | Imperial IFS40 Deep Fryer

3 Answers

High limit kicks out fryer and pilot light can


Since you've mention the pilot light goes out at 400 degree F, then we are talking a gas Deep Fryer. The deepfryer usually use at 350 degree F for chips or else. Because the oil will start breaking down its quantity of frying very quickly over that temperature. Most people set at 350 degree F. Now we comes back to your problem, First you should have a deep fryer thermometer they espcially made for deep fryer, (You only mention 400 or better ) that make me think you're only guessing. Knowing the temperature is very important, most Hi limit is set at 420 degree F.
To me it seen the Hi Ltd control is working and that is why it cutting out the pilot when it reach its limit but we don't know what temperature that when the hi limit cutting out at.
When you have a thermometer, put it in the cold oil and turn the temperature to 100 degree F to see what the temperature control cutting out at. slowly increase your setting until it cutting out at 350 degree F . If you set at 250 degree F and the thermometer already reaching 350 degreen F then don't go any further , your temperature control is defective and need to be change a new one.
This is only the first step, you still have to check out the Hi ltd control to see how good its condition is,so far your information say it cutting out at 400 or better. But you've to be sure, because it is a safety control. Hope that will help you , God Bless.

Jul 05, 2009 | Pitco Frialator SG14 Deep Fryer

1 Answer

The fryer was working normal. Then the temperature light went out and the fyer is not coming on whe I flip the off an on switch


The first thing you need to check for is a high temperature limit cutout switch. It will be located near the gas valve but on the right side it wil have a cover that will snap open. it is about the size of 4" X 1 1/2". Once you get it open puch the button in you shoul dhere a click. When you hear the click you are reset. Once you turn the fryer back on use a temp probe or a type K thermocouple w/ a meter to check temp. if it starts over riding temp shut the unit off and replace the t-stat and the t/l cutout switch.

Thanks

Jul 20, 2008 | Garland AF-5025 Deep Fryer

1 Answer

Star deep fryer.


Those thermostat bulbs are the thermostat and hi-limit bulbs.They need to be secured to the fryer.The hi limit is tripping out because its sensing that the oil is too hot.Even though the oil isnt that hot the hi limit thinks it is.

May 15, 2008 | Star 530FD Deep Fryer

1 Answer

Fryer quits heating have to hit reset switch


This button should be a high limit switch. If it is a small red button mounted to a 2" x 2" or so device. You most likley have an issue with the thermostat letting it over heat. The best thing to do would be to replace both the thermostat and the high limit for safety reasons.

Mar 18, 2008 | Star Kitchen Appliances - Others

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