Frymaster FBRA18 Series manual Replacing the Controller or Controller Wiring Harness

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5.3Replacing the Controller or Controller Wiring Harness

1.Disconnect the rethermalizer from the electrical supply.

2.Remove the two screws in the upper corners of the control panel and swing the panel open from the top, allowing it to rest on its hinge tabs.

3.Disconnect the wiring harness from the back of the controller. If replacing the harness, discon- nect it from the interface board, install the new harness, and then reverse steps 1 and 2 to complete the process.

4.Disconnect the ground wire from the controller. Remove the control panel by lifting it from the hinge slots in the frame.

If substituting one complete control panel for another, reverse steps 1-4 to complete the procedure.

If replacing the controller, remove the nuts securing the controller to the control panel and install the replacement controller on the control panel. Reverse steps 1-4 to complete the procedure.

Wiring Harness

Connection

Ground Wire

5-6

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Contents Hour Service Hotline Canada Page FBR18 & FBRA18 Series GAS Rethermalizers Table of Contents Parts List Safety Information Parts Ordering and Service InformationInstallation, Operating, and Service Personnel Equipment DescriptionDefinitions What to do if your equipment arrives damaged Shipping Damage Claim ProcedureGeneral Installation Requirements Caster/Leg Installation Incoming Gas Pressures Connecting to the Gas Supply Converting to Another Gas Type FBR18/FBRA18 Digital Controller IntroductionOperating the FBR18/FBRA18 Timers Boiling-Out the Cookpot Shutting the Rethermalizer Down Quarterly Checks and Services Daily Checks and ServicesClean Combustion Air Blower Semi-Annual Checks and ServicesCheck Burner Manifold Pressure Burner Manifold Gas Pressures Introduction To FBRA18 units only Troubleshooting GuidesProblem Yes Has the correct setpoint Yes Replacing the Controller or Controller Wiring Harness Functional Description FBR18 & FBRA18 Series GAS Rethermalizers Service ProceduresController and Mechanical Timers Temperature Probe Cleaning the Gas Valve Vent Tube Checking the Burner Manifold Gas PressureMeasuring Flame Current Replacing the Interface Board Replacing the Temperature ProbeReplacing an Ignition Module Replacing an Ignitor AssemblyReplacing a Burner Assembly Replacing the Combustion Air BlowerReplacing the Gas Valve Replacing the Cookpot Troubleshooting and Problem IsolationIgnition Failures Improper Burner Functioning Incoming Gas PressuresPage Improper Temperature Control Troubleshooting the Gas Valve Unit is Connected to Troubleshooting the 24 VAC Circuit in FBR18 Units24 VAC Circuit in FBR18 Units Is Power Troubleshooting the 24 VAC Circuit in FBRA18 UnitsIs 24VAC Present on COM No terminal of latch Relay? Harness Is J1 pin 24VAC Circuit in FBRA18 Units Troubleshooting the Temperature Probe Probe Resistance Chart 8050417D Wiring Diagram for FBR18 UnitsFBRA18 Units Burner System Components FBR18 & FBRA18 Series GAS Rethermalizers Parts ListCabinetry and Associated Components Control Box Assembly and Associated Parts, FBR18/ FBRA18 Controller and Component Box Assemblies Cooking Timer Control Panel Components Cookpot, FBR18 Cookpot, FBRA18 Gas Supply Components Plumbing Components Page Service Hotline