Frymaster 1824/2424G Main Burner Malfunctions, Main burner will not, Come on even though, Fryer

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24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 1: SERVICE PROCEDURES

1.9.2 Main Burner Malfunctions

PROBLEM

 

CORRECTIVE ACTION

Main burner will not

1.

Check that the combination gas valve is ON.

come on even though

2.

Check that the pilot is lit and is operating properly.

air blower is in

 

 

operation; no gas

3.

Check high temperature safety switch. Replace if defective.

pressure at main

 

 

burner.

4.

Check air prover (pressure switch) as follows:

 

 

Ensure green prover light is on. If not, check for 24 VAC going

 

 

into and coming out of the air prover pressure switch.

 

5.

Check air prover switch (sail switch) as follows:

 

 

Move actuating lever at switch to ensure it is not dragging in

 

 

the slots (use long tool to avoid burns). If so, bend the arm

 

 

carefully to clear the obstruction. Check the air prover switch

 

 

for continuity and replace if defective.

 

 

 

Air blower is not

1.

Cooked product or other material may have fallen into the flue

operating, although

 

and lodged in the blower wheel, preventing it from turning.

power is present at the

 

Clean out flue and blower wheel.

 

 

fryer.

2.

Blower motor may have overheated and shut off. This

 

 

condition will correct itself when motor cools (20 minutes). If

 

 

problems with blower overheating persist, call for service.

 

3.

If fryer is equipped with a Thermatron controller, the

 

 

temperature probe or the controller board may be defective.

 

 

 

Main burner flames are

1.

Check gas pressure at the pressure tap of the burner manifold.

small and appear lazy;

 

Use a standard water-type U-gauge manometer. With the

Oil does not come up

 

burner in operation, the pressure should be about 4" W.C. on

 

natural and 11" W.C. on propane (LP) gases. If not, unscrew

to temperature quickly.

 

 

the cover of the pressure regulator adjustment and turn the

 

 

adjusting screw clockwise to increase gas pressure (or

 

 

counterclockwise to decrease the pressure). Replace cover

 

 

and plug.

 

 

 

There are signs of

1.

Check the frypot for excessive build up of debris.

excessive frypot

2.

Thermatron controller may be out of calibration. Re-calibrate

temperature;

 

in accordance with instructions in Section 1.6.

oil becomes

 

 

 

discolored quickly.

3.

Check gas pressure.

 

4.

Oil of inferior quality or used too long. Replace with quality oil.

 

 

 

1-27

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Contents Hour Service Hotline DEC 24G Series Flatbottom Gas FryersPage Computers Where Applicable FCC 24G Series Flatbottom Gas Fryers Table of Contents CE only Altitudes of 2000 feet or less Functional DescriptionNON-CE Altitudes of 2000 feet or less Pilot System Configuration Electronic Ignition ConfigurationControl Options Thermatron Controller Board Accessing Fryers for Servicing Safety ComponentsCleaning the Gas Valve Vent Tube if applicable Adjusting Burner Manifold Gas PressureAdjusting the Pilot Flame where applicable Calibrating the Thermatron Temperature ControllerLoosen two setscrews in dial arrows to recalibrate Remove/Replace Temperature Probe or High-Limit Thermostat Replacing Fryer ComponentsTemperature probe High-limit Removing/Replacing Rocker Switches 24G Series Flatbottom GAS Fryers Service Procedures Removing/Replacing Blower Assembly or Air Prover Switch Replacing air prover switch Replacing the Frypot Frypot Baffle InspectionFrypot/Firebox Removal/Replacement Procedure 24G Series Flatbottom GAS Fryers Service Procedures If the Firebox Requires Replacement Troubleshooting and Problem Isolation Problems Related to the Electronic Circuits Ignition FailuresImproper Burner Functioning 24G Series Flatbottom GAS Fryers Service Procedures Improper Temperature Control Filtration Problems24G Series Flatbottom GAS Fryers Service Procedures Leakage Troubleshooting Guides Power is present at To temperature quicklyTemperature Main Burner MalfunctionsIndicator Lights Light Indication Probable Cause Corrective ActionWiring Diagrams 10.2 24G Series Single Fryers, Non-CE with Boil-Out Switch 24G Series Flatbottom GAS Fryers Service Procedures 24G Series Flatbottom GAS Fryers Service Procedures 24G Series Flatbottom GAS Fryers Service Procedures 24G Series Flatbottom GAS Fryers Service Procedures 24G Series Flatbottom GAS Fryers Service Procedures Single Fryers CE-Approved 10.8 24G SeriesWiring, Standing Pilot Scfc Models 10.10 24GTI Oil Return/Filter System 24G Series Flatbottom GAS Fryers Parts List Blower Assembly and Combustion AirBurner Manifold and Related Components Component Flue Caps, Top Caps, and Related Components 2424G Notched Left End use 823-4058 for notched right end Common Cabinet Components Scfc Models Cabinetry Scfc ModelsNot illustrated Door Assemblies and Component Parts Scfc Models Control Panels, Wireways, and Related Components Scfc Models Component Oil Return and Suction Manifolds Scfc Models Component Filter Unit Scfc Models Frypot, Drain, and Oil Return Components Scfc Models 24G Series Flatbottom GAS Fryers Parts List Previous Style SCF Models Cabinetry SCF ModelsBack, Single Fryer Cabinet Door Assemblies and Component Parts SCF Models Control Panels, Wireways, and Related Components SCF Models Not illustrated Oil Return and Suction Manifolds SCF Models Component 24G Series Flatbottom GAS Fryers Parts List Filter Unit SCF Models Caster, 2-inch Rigid use 810-2805 for 2-inch Swivel CasterFrypot, Drain, and Oil Return Components SCF Models Component Drain Valve and Components Wiring Connectors, Pin Terminals, and Power Cords Connectors 2-Pin Female 6-Pin Female 9-Pin FemaleScrews, Nuts, and Fasteners Appendix ND90 Built-In Filter System Components Line Parts Pump, 5GPM use 810-2098 for 8GPM Pump Seal, Shaft O-Ring Service Hotline
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