Vulcan-Hart SG4D service manual Table of Contents

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TABLE OF CONTENTS (Cont.)
Computer Controller (SG4C/SG6C)	23
Operation	23
Setup Mode	23
Probe Test	23
Solid State Relay Test	24
Computer Controller Calibration (SG4C/SG6C)	24
Calibration Steps	24
Gas Pressure Adjustment	25
Verification of Spark at Igniter	26
Door Switch Adjustment	26
Flame Current Measurements	27
Blower Adjustment	27
Door Adjustment	28
Door Strike Adjustment	28
Door Catch Roller Adjustment	29
ELECTRICAL OPERATION	30
Component Description	30
Plug, Socket and Components (SG4D/SG6D)	31
Plug, Socket and Components (SG4C/SG6C)	32
Sequence of Operations	33
SG4D/SG6D with Solid State Temperature Controller	33
Cook Cycle	33
Timer Cycle	34
Cool Down Cycle (Solid State Temperature Controller)	34
SG4C/SG6C with Computer Controller	35
Normal Cook Cycle	35
Temperature and Time Cycle (Normal Cooking)	37
Function Switch (SG4C/SG6C)	37
Roast and Hold Cycle	37
Wiring Diagrams	38
Schematics	40
TROUBLESHOOTING	42
Error Codes	44

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Contents SG4 & SG6 Series Full Size GAS Convection Ovens VULCAN-HART Table of Contents Table of Contents General Removal and Replacement of Parts Component LocationCovers and Panels Top Front CoverBottom Front Cover Right Side PanelControl Panel Components SG4D/SG6D SG4C/SG6CComponent Panel Components Temperature Probe SG4C/SG6C Temperature Probe ShownGAS Burners GAS Orifice GAS Solenoid ValveIgnition Control Module Spark Igniter and Flame SenseBlower and Motor Oven Doors and Bearings Door Catch Roller Assembly Independent Doors Roller Latch Assembly Independent DoorsDoor Window Door Switch High Limit Thermostat Lamp AssemblyInterior Lights Fan Installation Tips Cooling FANSolid State Temperature Controller Test SG4D/SG6D Service Procedures and AdjustmentsTest Steps Solid State Temperature Control Calibration SG4D/SG6D Calibration StepsTemperature Probe Test SG4D/SG6D Temp F OhmsComputer Controller SG4C/SG6C Operation Setup ModeProbe Test Computer Control Calibration SG4C/SG6C Solid State Relay TestGAS Pressure Adjustment Door Switch Adjustment Verification of Spark AT IgnitorBlower Adjustment Flame Current MeasurementDoor Adjustment Door Strike Adjustment Independent DoorsDoor Catch Roller Adjustment Electrical Operation Component DescriptionFront View Plug, Socket and Components SG4D/SG6DFront View Control Panel Component PanelPlug, Socket and Components SG4C/SG6C Sequence of Operations SG4D/SG6D with Solid State Temperature ControllerCook Cycle Timer Cycle Cool Down Cycle Solid State Temperature ControllerSG4C/SG6C with Computer Controller Normal Cook CyclePage Temperature and Time Cycle Normal Cooking Roast and Hold CycleWiring Diagrams 426574 Rev. C Schematics ThermostatGAS Convection Oven SG4 with Watlow 734 Control Troubleshooting Symptoms Possible CausesComputer Control Models only Symptom Possible Causes Symptoms Possible CausesError Codes Probable Cause Solution Problem