Frymaster FPHD manual Troubleshooting Guides, Problem

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HIGH EFFICIENCY DECATHLON SERIES GAS FRYERS

CHAPTER 1: SERVICE PROCEDURES

1.9Troubleshooting Guides

The following troubleshooting guides are intended to assist service technicians in quickly isolating the probable causes of equipment malfunctions by following a logical, step-by-step process.

PROBLEM		PROBABLE CAUSES		CORRECTIVE ACTION

Burner will not 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 voltage at switch.	A. Ensure line voltage is present at the
but the switch light is not				switch.
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.

ON/OFF switch is on and	B. Voltage is present at ON/OFF switch,		B.	ON/OFF switch is defective. Replace
the switch light is		but continuity of the switch in ON		switch with a known working switch.
the switch light is		position is not "0.”
illuminated, but there is		position is not "0.”
illuminated, but there is
no output to gas valve.	C. Continuity of thermostat is not "0"		C.	Thermostat(s) is/are defective.
		(oil temperature is at least 15°F below		Replace defective thermostat with a
		electronic thermostat setting).		known working thermostat.

	D.	Gas valve is suspect.	D.	Go to "No burner flame" section.

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Contents MAY Hour Service HotlineIncludes HD63/Red Robin and Common Cabinetry Page Computers FCC Table of Contents Page GAS Information Altitudes of 2000 feet or less Functional DescriptionElectronic Ignition Configuration Pilot System ConfigurationInterface Boards Control OptionsThermatron Board P/N Interface Boards Indicates power from 12V transformer Test Meter Setting Pins Test ResultsThermostats Accessing Fryers for ServicingRestraints Adjusting Burner Manifold Gas Pressure Cleaning the Gas Valve Vent Tube if applicableCalibrating the Thermatron Adjusting the Pilot FlameMain Pilot Trailing PilotReplacing the Computer Replacing Fryer ComponentsReplacing the Temperature Probe Computer-equipped Fryers Replacing the Temperature Probe Computer-equipped Fryers Probe cannot be repositioned Replacing the High-limit Thermostat Installing the New Temperature ProbeLocate the high-limit probe Capillary tube cannot be repositioned Figure B Replacing Rocker SwitchesReplacing Rocker Switches Replacing the Frypot Replacing the Pilot AssemblyRemoving the joiner strip Removing gas manifold shield Removing bolts arrows securing flue to frypot Nut Valve Boot Clamp Remove the drain valve nut and attached Hardware Cutting frypot seal prior to frypot removal Lifting frypot from fryer Ignition Failure Troubleshooting and Problem IsolationImproper Burner Function Electronic CircuitsImproper Burner Function Improper Temperature Control Improper Computer Function Improper Filtration Function Frypot Leakage Improper Basket Lift Function Bell-Crank Basket Lifts Problem Troubleshooting GuidesNot possible Right/left sides are the same Wiring DiagramsHigh Efficiency Decathlon, Thermatron with Constant Pilot Computer with Constant Pilot CM4-S Wiring Dean Oil Return Wiring Dean Oil Return Wiring, with Solenoid Probe Resistance Charts High Efficiency Decathlon HD Primary Components High Efficiency Decathlon Series GAS Fryers Parts ListSee Drain Manifold Components, Section Decathlon HD50 Primary Components includes Scfhd unitsSee Orifices, Section Decathlon HD50 Primary Components includes Scfhd units 823-4692 Decathlon HD60 Primary Components includes Scfhd unitsFlue Box Assembly also used on HD63 fryers Front, Flue Box Decathlon FPHD65 Primary Components Cabinet Lower Back Channel, Base 265 465 565Cabinet Upper Back Door Assembly, with Liner also used for HD63 fryers Propane Orifices OrificesNatural Orifices Accessories Control Panel Options, Joiner Strips, and AccessoriesControl Panels Joiner StripsOptional Components and Controllers HD/SCFHD50 SCFHD456 SCFHD60 BezelsInterface Boards High Efficiency Decathlon Series GAS Fryers Parts List Flush Oil Drain Line Drain Valve Assembly, 1 1 ⁄ 2 without MicroswitchDrain Valve Assembly, 1 1 ⁄ 2 with Microswitch Oil Return Manifold Components Oil Return Manifold Components Oil Return Manifold Components Oil Return and Oil Flush Components Oil Suction Assembly Microswitch Bracket Assembly, Oil ReturnSuction Manifold Assembly Oil Suction Start FittingDescription 106-7543 Filtration Components SCFHD60 and SCFHD63 Series FryersFiltration Components FPHD65 Series Fryers Basket Lift Components Basket Lift Components Trough, Holster, & Cover Components Fasteners Screws, Nuts, Bolts Service Hotline