Frymaster FMCFE, MJCFEC Initial Troubleshooting, 24VAC Frying Systems, But the switch light is

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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS

CHAPTER 1: SERVICE PROCEDURES

1.10.2 Initial Troubleshooting, 24VAC Frying Systems

PROBLEM

 

PROBABLE CAUSES

 

CORRECTIVE ACTION

Burner won’t ignite.

A.

ON/OFF switch is off.

A.

Turn ON/OFF switch on.

Light in ON/OFF switch

 

 

 

 

is not illuminated.

 

 

 

 

 

 

 

 

 

ON/OFF switch is on,

A.

No 24 VAC output from transformer.

A.

Check 24VAC circuit. Replace

but the switch light is

 

 

 

transformer if defective.

not illuminated.

 

 

 

 

 

 

 

 

 

 

A.

Drain microswitch circuit (filter-

A.

Ensure drain valve is fully closed and

 

 

equipped units) is open.

 

microswitch is functioning. Replace

 

 

 

 

microswitch if defective.

 

 

 

 

 

 

B.

24VAC is present at ON/OFF switch,

B.

On/Off switch is defective. Replace

ON/OFF switch is on

 

but continuity of the switch in ON

 

switch with a known working switch.

and the switch light is

 

position is not "0".

 

 

illuminated, but there is

 

 

 

 

C.

Continuity of thermostat is not "0"

C.

Thermostat is defective. Replace with

no output to gas valve.

 

 

(cooking oil/shortening temperature is

 

a known working thermostat.

 

 

at least 15°F below thermostat

 

 

 

 

setting).

 

 

 

 

 

 

 

 

D.

Gas valve is suspect.

D.

Go to "No burner flame".

 

 

 

 

 

 

A.

Pilot does not stay lit (fryer is on and

A.

Check high-limit switch. Switch

 

 

thermopile output is approximately

 

continuity should be "0". If not, high-

 

 

400 millivolts.

 

limit switch is defective. Replace high-

 

 

 

 

limit switch.

 

 

 

 

 

 

B.

Pilot does not stay lit (fryer is on and

B.

Inspect thermopile (units without

 

 

thermopile output is not

 

interface board) and replace if

 

 

approximately 400 millivolts.

 

defective.

 

 

 

 

 

 

C.

Pilot stays lit, and the high-limit and

C.

Inspect gas valve and replace if

 

 

thermopile are known working, but

 

defective.

 

 

burners fail to light.

 

 

 

 

 

 

 

No burner flame.

D.

Gas valve is known to be good, but

D.

Inspect thermostat body (while still in

 

there is not 24 VAC at the gas valve

 

frypot) for damage. Remove and

 

 

 

 

 

terminals.

 

replace thermostat if bent, dented or

 

 

 

 

cracked. Inspect leads for fraying,

 

 

 

 

burning, breaks and/or kinks. If found,

 

 

 

 

remove and replace thermostat.

 

 

 

 

Remove leads from terminal block,

 

 

 

 

allow oil to cool 15°F below thermostat

 

 

 

 

setting and check continuity. If

 

 

 

 

continuity is not "0", then thermostat

 

 

 

 

has failed. Replace thermostat.

 

 

 

 

 

 

E.

Continuity from terminal block to gas

E.

Inspect wiring for breaks or shorts and

 

 

valve thermostat wire is not "0".

 

repair if necessary.

 

 

 

 

 

 

 

 

 

 

1-33

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Contents Hour Service Hotline 1-800-551-8633 April Master Jet CF Series Atmospheric Gas FryersPage Computers FCC Master Jet CF Series Atmospheric Gas Fryers Table of Contents Functional Description Pilot Ignition SystemControl Options Thermostats and Temperature Probes Accessing Fryers for Servicing Checking Burner Manifold Gas Pressure CE Standards for Incoming Gas PressuresAdjusting Pilot Flame Cleaning Gas Valve Vent Tube Adjusting Burner Ceramic Target Spacing and AlignmentCalibrating Thermostat Control Replacing Fryer Components Replacing ComputerPage Replacing Temperature Probe Replacing High-Limit Thermostat Computer Controls Page Replacing Melt Cycle Timer Operating Thermostat Controls Disconnect union arrow to remove burner manifold assembly Replacing Burner Ceramic Targets Replacing Pilot Assembly or Thermopile Replacing Frypot Reverse steps 1-22 to reassemble the fryer No pilot flame Troubleshooting and Problem IsolationPilot/Ignition Failures Unreliable flameProblems Related to the GAS AND/OR Electrical Power Supplies Improper Burner Functioning Improper Temperature Control Computer-Related Problems See .8.8 for retrofit informationRecovery Time Filtration Problems Filter Magic Simplified Wiring Diagram Troubleshooting, Millivolt Frying Systems LeakageHigh-limit ROBERTSHAW-UNITROL 7000 System Check Troubleshooting Guides Initial Troubleshooting, Millivolt Frying SystemsFryer Initial Troubleshooting, 24VAC Frying Systems But the switch light isProbe Resistance Chart Problem Probable Cause Corrective ActionWiring Diagrams Mjcf Millivolt Wiring Diagram, Non-CEMjcf Millivolt Wiring Diagram, CE Main VALVE/COIL Generator ThermopileWiring Diagram MjcfeMjcfec 24V Wiring Diagram 12.4FAST-Ready Constant Pilot Filter Magic II Wiring Diagram Filter Pump MotorMaster JET CF Series Atmospheric GAS Fryers Parts List AccessoriesMaster JET CF Series Atmospheric GAS Fryers Parts List Burner Manifold Components For SingleNatural Gas, w/Thermopile use 810-0426 for pilot only Cabinetry Components Fryer CabinetryMaster JET CF Series Atmospheric GAS Fryers Parts List Filter Magic II & Spreader Cabinet Cabinetry Filter Magic & Spreader Cabinet Cabinetry Casters, Legs and Associated Hardware Component Shield, Filter Box Assemblies and Components Component Shield Assemblies No Interface BoardComponent Shield Assemblies With Interface Board Filter Box Assemblies Control Panel Assemblies and Related Components Control Panel Assemblies and Related Components Filtration System Components Filter Magic II Drain Manifold Components1.1 Filter Magic Drain Manifold Components Standard ComponentEuro-Look Drain Manifold Components See page 2-27 for Euro-Look Drain Valve AssembliesAssembly Crumb Screen Not Included Order Separately Filter Magic II Filter Pan Components Outer Pan ComponentsFilter Magic Filter Pan Components Inner Pan Components Assembly Crumb Screen Not Included Order Item #8 Below Oil Return Handle Components Units Built Prior To April Master JET CF Series Atmospheric GAS Fryers Parts List Oil Return Plumbing OIL Return Plumbing Filter Magic II TypicalFilter Pump and Motor Components Standard EURO-LOOK Component PART# Drain Valves and Related Components 106-3760 Valve, Drain Assembly Full Vat Euro-Look Drain Valves and Related Components-Round DrainsPower Shower Components Frypot, High-Limit and Probe Components Frypot, High-Limit and Probe Components Wiring Connectors, Pin Terminals and Power Cords Plan Wiring Diagram KJ3FC Fast-ReadyMaster JET CF Series Atmospheric GAS Fryers Appendix Computer Wiring 3 KFCComputer Wiring Diagram 4 KFCKscf Wiring Diagram w/ Float CE KFC-1 Harness Diagram Transformer/Filter Box Wiring for Fast Computer Parts List KJ3FC Variant KJ3FC Variant Parts List KJ3FC Variant Parts List This page Intentionally Left Blank Service Hotline

JCFX, J65X, J3F, KJ3FC, MJCF specifications

Frymaster, a leading manufacturer of commercial frying equipment, offers a range of fryers tailored to meet the demands of various food service operations. Among their notable products are the FMCFEC, MJCFEC, MJCF, JCFX, and FMCFE models. Each of these fryers is designed with cutting-edge technology, emphasizing efficiency, performance, and ease of use.

The FMCFEC model stands out for its advanced filtration system, which provides exceptional oil management. This feature helps extend the life of cooking oil, delivering consistent frying quality while reducing operational costs. The FMCFEC is equipped with a digital controller that simplifies temperature management, ensuring food is cooked to perfection every time.

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The MJCF model is geared toward high-volume frying, utilizing a powerful heating system that ensures rapid oil recovery. This fryer's heavy-duty construction enhances durability, making it ideal for busy kitchens where reliability is paramount. The MJCF model also features a straightforward interface, allowing staff to operate it with minimal training.

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Lastly, the FMCFE model emphasizes energy savings and oil conservation without sacrificing performance. This fryer incorporates advanced technology to monitor oil quality and usage, allowing operators to optimize their frying processes. The FMCFE's design focuses on safety, with features that minimize the risk of burns and splatters in busy kitchen environments.

In summary, Frymaster’s FMCFEC, MJCFEC, MJCF, JCFX, and FMCFE models reflect the company's commitment to innovation and quality in commercial frying equipment. With their distinctive features, energy efficiency, and user-friendly designs, these fryers are well-suited for a variety of food service applications, providing operators with reliable performance and exceptional results.
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