Frymaster 1824G, 2424G manual Troubleshooting Guides

Page 32

24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 1: SERVICE PROCEDURES

1.9 Troubleshooting Guides

FACTORY APPROVAL MUST BE OBTAINED PRIOR TO ANY WARRANTY WORK BEING

DONE OR DEAN CANNOT BE HELD RESPONSIBLE.

The following procedures must be performed by Factory Authorized Service Technicians, and are provided as an aid to expedite troubleshooting and repair of 24G Series frying systems.

1.9.1 Pilot Burner Malfunctions

PROBLEM

 

CORRECTIVE ACTION

Pilot will not ignite; no

1.

Ensure the combination gas valve is in PILOT position and that

evidence of gas at pilot

 

gas is available at the control valve (check quick-disconnect

burner.

 

and/or gas-line connections).

 

 

 

2.

Remove pilot gas supply line and check for dirt. Blow out with

 

 

compressed air if necessary, then reinstall.

 

3.

Check pilot burner orifice for dirt.

 

 

 

Pilot burner ignites but

1.

Check that the lead from the thermocouple is tightly screwed

will not remain lit when

 

into the pilotstat power bushing on the gas control.

gas knob is released.

2.

Remove end of thermocouple lead from pilotstat power unit

 

 

bushing and clean with fine sandpaper. Also check that

 

 

bushing is clean.

 

3.

Thermocouple possibly defective (millivolt output should be 12-

 

 

28mv); replace.

 

4.

Pilot flame may be adjusted incorrectly. Adjust flame to 1-½"

 

 

high by turning pilot flow adjustment screw.

 

 

 

Pilot burner ignites

1.

With the exhaust blower in operation, the extra air causes the

properly and burns

 

pilot to blow out. The pilot assembly may be too low between

properly, but goes out

 

the burners. Adjust the pilot assembly to where the pilot hood

 

is above the burners.

when the exhaust

 

 

 

blower comes on.

2.

Pilot flame may be adjusted too high and is on the verge of

 

 

 

blowing out. Re-adjust lower.

 

3.

Pilot flame may be adjusted too low, even though it appears to

 

 

be satisfactory. Re-adjust higher as described earlier.

 

 

 

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Contents Hour Service Hotline June 24G Series Flatbottom Gas FryersPage Computers Where Applicable FCC 24G Series Flatbottom Gas Fryers Table of Contents This page Intentionally Left Blank CE only Altitudes of 2000 feet or less Functional DescriptionNON-CE Altitudes of 2000 feet or less Pilot System Configuration Electronic Ignition ConfigurationControl Options No COM Relay 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 24G Series Flatbottom GAS Fryers Service Procedures 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 ProblemsShortening to free gears 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 Series10.9 24GTI Oil Return/Filter System This page Intentionally Left Blank 24G Series Flatbottom GAS Fryers Parts List Blower Assembly, Combustion AirBurner Manifold and Related Components Component Cabinetry Backs, Bases, Casters, Sides, EtcNot illustrated Door Assemblies and Component Parts This page Intentionally Left Blank Flue Caps, Top Caps, and Related Components Not illustrated Control Panels, Wireways, and Related Components Component Filtration Under Fryer Filter UFF ComponentsComponent 24G Series Flatbottom GAS Fryers Caster, 2-inch Rigid use 810-2805 for 2-inch Swivel Caster This page Intentionally Left Blank 2 ND90 Built-In Filter System Components Line Parts Component Frypot, Drain and Oil-Return Components Component Drain Valve and Components Wiring Connectors, Pin Terminals and Power Cords Connectors 2-Pin Female 6-Pin Female 9-Pin FemaleService Hotline