Frymaster 45 Series manual Troubleshooting and Problem Isolation

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2) and the high-limit thermostat leads (pins 6 and 8) from the plug. Leave all other wires con- nected. Leave the interface board lying on the shield.

13.Remove the louvered frame above the control panel opening.

14.Remove the screws securing the component shield to the fryer.

15.Disconnect the wires from components in component shield and mark to facilitate reconnection.

16.Disconnect the wires from the gas valve terminal block. Mark each wire to facilitate reconnec- tion.

17.Remove the cover from the safety drain switch, disconnect the wires from the switch, and pull them out of the switch box.

18.Pull up and forward on the component shield to clear the rear mounting stud on the front of the frypot and remove it from the fryer by rotating its right side up and to the left.

19.Disconnect the pipe union on the right side of the gas valve.

20.On FM45 fryers, remove the section of square drain from the drain valve of the frypot to be re- moved.

21.Remove the frypot hold down bracket.

22.Remove the screws from the flue cap sides and back and lift it clear of the fryer(s).

23.Remove the oil return line from the front of the frypot to be removed.

24.Lift the complete frypot assembly (frypot, burner, gas valve, and flue) from the fryer cabinet.

25.Transfer the burner heat shield and burner to the replacement frypot.

26.Remove the drain valve, thermostat or temperature probe, and high-limit thermostat and install on replacement frypot.

CAUTION

Before installing the thermostat/temperature probe, high-limit thermostat, and drain valve on the replacement frypot, clean their threads and apply Loctite™ PST56765 thread sealant or equivalent to the threads.

27. Reverse steps 1-25 to reassemble the fryer.

1.9Troubleshooting and Problem Isolation

Because it is not feasible to attempt to include in this manual every conceivable problem or trouble condition that might be encountered, this section is intended to provide technicians with a general knowledge of the broad problem categories associated with this equipment, and the probable causes of each. With this knowledge, the technician should be able to isolate and correct any problem en- countered.

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Contents Gas Fryers Hour Service HotlineCanada Page Series GAS Fryers Service and Parts Manual Table of Contents Parts List This page Intentionally Left Blank Functional Description Interface Boards 806-3548, 806-5490, Series Interface Board LED Diagnostic Lights Accessing Fryers for Servicing CE Standard Burner Manifold Gas Pressures Adjusting the Pilot FlameCalibrating the Thermostat Control Cleaning the Gas Valve Vent TubeDisconnect Grounding wire Replacing the Temperature Probe Unplug Harness Disconnect Grounding wire Page Disconnect fryer from electrical and gas supplies Bend clip to release thermopile Replacing the Frypot Troubleshooting and Problem Isolation Ignition Failures CE Standard For Incoming Gas Pressures Improper Burner FunctioningImproper Temperature Control Computer-Related Problems Filtration Problems Sediment Particle Oil Flow Up for reverse Down for Forward Basket Lift Malfunctions Leakage ProblemsBell Crank Basket Lift Simplified Schematic Manual Push-Button BINDING/JAMMING Problems Bell Crank Basket Lift Simplified Wiring Diagram Modular Basket Lift Simplified Wiring Diagram Interpretation of Digital Controller Lights Troubleshooting GuidesVerify that the ON/OFF switch is in the on positon Pin 6? Xfmr Troubleshooting the Gas Valve Troubleshooting the Thermostat Troubleshooting the Temperature Probe Probe Resistance Chart Plan Wiring Diagram Wiring DiagramsPlan Wiring Diagram CE 230V MJ45 W/COMPUTER and Basket Lift Plan Wiring Diagram CE FM/MJ 45 W/0 Computer Inset A-A Plan Wiring Diagram Series Basket Lift System Plan Wiring Diagram Series Basket Lift System This page Intentionally Left Blank Series GAS Fryers Service and Parts Manual Parts List Parts BellCrankBasket LiftComponent Modular Basket Lift 208-250V ConfigurationMount, Modular Basket Lift Burner Assembly Component Parts Component Cabinet Assemblies and Component Parts MJ45 Batteries Enameled use 902-9324SP for side with access openingsFM145 Filter on Left FM45 Batteries with Built-In FiltrationComponent Filter Magic II Add-On Cabinet Components Side, Left Cabinet, w/Access Openings CASTERS, LEGS, and Associated Hardware Components Page Complete Shield Assemblies Complete Box Assembly This page Intentionally Left Blank Page Component Controller Assemblies Thermostat Controllers Set Screw Controller Assemblies Other than Thermostat Controllers Door Assembly DrainSystem Components Component Component Filter Magic II Filter Pan AssembliesFrypot Assemblies and Component Parts OIL Component Through March April 2001 and Later Power Shower Assembly Temperature PROBE, THERMOSTATS, and Related Components Wiring Assemblies and Harnesses Wiring ASSEMBLIES/HARNESSES and Remote Cable AssembliesPower Cords Wiring CONNECTORS, PIN TERMINALS, and Power CordsThis page Intentionally Left Blank Service Hotline