Frymaster FPHD manual Improper Burner Function

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HIGH EFFICIENCY DECATHLON SERIES GAS FRYERS

CHAPTER 1: SERVICE PROCEDURES

1.8.2 Improper Burner Function (cont.)

If popping occurs only during peak operating hours, the problem may be incorrect or fluctuating gas pressure. Verify that the incoming gas pressure (pressure to the gas valve) is in accordance with the appropriate requirements listed in the Installation and Operation manual that came with the fryer, and that the pressure remains constant throughout all hours of usage. Refer to Adjusting Burner Manifold Pressure in Section 1.4 if burner manifold pressure is suspected of being incorrect.

If popping is consistent during all hours of operation, verify that the pilot is properly positioned above the burner orifice and that the pilot pressure is correct. Correct pilot pressure is indicated by a flame 1 to 1½" long. Also verify that igniter is properly adjusted (electrode tip 1/8" from pilot hood corner). Refer to Section 1.5 for pilot adjustment procedure.

Clogged burners, burner orifices, and burner flame transfer holes are also likely causes of delayed ignition. Clogged burners are indicated by uneven flame or partial flame on the burner face. Clogged orifices are indicated by no flame. Clogged burner flame transfer holes prevent the outermost burners from lighting immediately with the middle burners (four- and five-tube frypots).

Another cause of popping is an insufficient air supply or drafts that are blowing the pilot flame away from the burner. Check for "negative pressure" conditions in the kitchen area. If air is flowing into the kitchen area, this indicates that more air is being exhausted than is being replenished and the burners may be starved for air.

If the fryer’s gas and air supplies are okay, the problem most likely is with one of the electrical components. Examine the ignition module for signs of melting, distortion, or discoloration due to excessive heat build-up in the fryer. Also, examine the controller for the same conditions. This condition usually indicates improper flue performance. A melted or distorted ignition module is automatically suspect and should be replaced, but unless the condition causing excessive heat in the fryer is corrected, the problem is likely to recur.

Next, ensure the ignition wire is tightly connected at both ends and examine it for obvious signs of damage. Again, if damage is due to excessive heat in the fryer, that problem must also be corrected.

Check for proper operation by disconnecting the wire from the igniter, inserting the tip of a screwdriver into the terminal, and holding it near the frame of the fryer as the power switch is placed in the "ON" position. A strong, blue spark should be generated for at least 60 seconds.

DANGER

MAKE SURE YOU ARE HOLDING THE INSULATED HANDLE OF THE SCREWDRIVER

AND NOT THE BLADE. THE SPARKING CHARGE IS APPROXIMATELY 25,000

VOLTS.

Ensure the gap setting of the igniter is correct (electrode tip 1/8" from pilot hood corner).

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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 applicableTrailing Pilot Adjusting the Pilot FlameCalibrating the Thermatron Main 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 Joiner Strips Control Panel Options, Joiner Strips, and AccessoriesAccessories Control PanelsOptional 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 Start Fitting Microswitch Bracket Assembly, Oil ReturnOil Suction Assembly Suction Manifold AssemblyDescription 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
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