Vulcan-Hart VCE10F 126179, VCE20H 126172, VCE10H 126178 Proceduresand Adjustments, Operation

Page 64

ELECTRIC COMBI OVENS - TROUBLESHOOTING

SYMPTOM

 

POSSIBLE CAUSES

 

 

 

Convection heat error light and steam heat

1.

Cavity high temperature limit(s) open (manual reset).

error light on.

2.

Fuse F7 open.

 

3.

Steam generator thermal fuse(s) open.

 

 

 

Cavity fan motor inoperative and cavity fan

1.

Cavity fan motor values in the oven control configuration

error light on.

 

setup are incorrect. See “CONFIGURATION MODE -

 

 

PROGRAMABLE CONTROL” or “CONFIGURATION

 

 

MODE MANUAL CONTROLS” in “SERVICE

 

 

PROCEDURES”AND ADJUSTMENTS”.

 

2.

Motor shaft is rubbing against the opening in the rear of

 

 

the cavity.

 

 

NOTE: This may only occur when the cavity is at a high

 

 

temperature. If this is true, then remove the motor and

 

 

inspect the shaft for scratches.

 

3.

Internal motor protector open.

 

4.

Fuse F7 on relay board open.

 

5.

Cavity high temperature limit(s) open (manual reset).

 

6.

Steam generator thermal fuse(s) open.

 

7.

Auxiliary contactor switch(s) on contactor KM1 or KM2

 

 

malfunction.

 

8.

Cavity fan motor(s) malfunction.

 

9.

Oven control malfunction.

 

 

 

Oven inoperative and displays are blank.

1.

Incoming voltage to machine not present or incorrect.

 

2.

Line fuses F8 and/or F9 open.

 

3.

Voltage tap wire on power supply board not connected or

 

 

connected to wrong voltage for the machine.

 

4.

Fuse F1 and/or F2 on the power supply board open.

 

5.

Ribbon cable connector to relay board and CPU board is

 

 

not inserted properly. NOTE: Connector should snap into

 

 

position.

 

6.

Relay board connector (J6) and/or power supply board

 

 

connector is not inserted properly.

 

7.

Battery backup voltage low or near zero.

 

8.

Power supply board and transformer (1T) malfunction.

 

9.

Oven control board inoperative.

 

 

 

One or more service error light(s) at bottom

1.

Water supply not on or clogged.

of keypad come on.

2.

Convection heat malfunction.

 

3.

Steam generator heat malfunction.

 

4.

Cavity fan malfunction.

 

 

 

Convection heaters inoperative.

1.

No voltage to heating elements.

 

 

A. Cavity high temperature limit(s) open (manual reset).

 

 

B. Steam generator thermal fuse(s) open.

 

 

C. Contactor(s) malfunction. See “HEATING MODE

 

 

AND CAVITY FAN SPEEDS” under “ELECTRICAL

 

 

OPERATION”.

 

2.

Convection heating element(s) malfunction.

 

3.

Relay board malfunction (K6, K7 relay)

 

4.

Oven control board malfunction.

 

 

 

Page 64 of 68

Image 64
Contents Modelml VCE10F Shown on StandTable of Contents Electric Combi Ovens Specifications Operation Cleaning Stacking KIT InstructionsIntroduction Electrical 208V 240V 480VOven Controls Lubrication Water ConditioningTools Rack GUIDE/FILTER/EXHAUST Assembly Electric Combi Oven Removal and Replacement of PartsCovers and Panels Side PanelsOven Temperature Probe Rear PanelControl Panel Covers and PanelsProgramable Oven Control Manual Oven Controls Relay BoardBlower and Motor RemovalInstallation Blower Motor Shaft SealHeating Elements Blower Motor Shaft SealThermal Fuses Steam GeneratorSteam Generator Drain Vent Damper Assembly Pump Vent MotorSealing Washer Shaft ExtensionSteam Generator Tank Level ShownDisassembly Oven DoorDoor Lamp Oven Door Hinges Door Magnetic Reed Switch ReplacementDoor Seal Door Locking MechanismService Procedures and Adjustments Oven Cavity SealPower Supply Board Transformer ContactorsOven Cavity Drain Electric Combi Ovens Service Procedures and Adjustments To PerformDiagnostic Test Mode Programable Control Configuration Mode Manual Controls Code Relay ComponentElectric Combi Ovens Service Procedures and Adjustments Diagnostic Test Mode Manual Controls OFFService Error Lights Code Relay Component Test ConditionOven Door Adjustment Electric Combi Ovens Service Procedures and Adjustments Buzzer Adjustment Programable Control Buzzer Adjustment Manual ControlsConfiguration Mode Programable Control Configuration ModeClean Cycle Mode Steam Generator Deliming Tank Amount Model Volume Scalekleen Added To Feeder Bowl Battery Backup Programable Control Battery TestBattery Replacement TWO Piece Configuration ShownComponent Function Electric Combi Oven Electrical Operation1T Power Supply Board Transformer High Limit Thermostats1TF & 2TF Thermal Fuses 3TF Thermal FuseKM6 6CON KM5 5CONKM7 7CON Component Location Electric Combi Oven Electrical Operation Sequence of Operation Heating Mode and Cavity Fan SpeedsHeating Regulation Steam Pre-Heat Steam RegulationCool Down Mode Manual Controls Water Injection HumidifierPowering Control Convection ModeSteam Mode Sequence of OperationCombi Mode Time MethodTemperature Probe Method Delta T MethodProgramed Cooking Operation Powering Down Manual Oven ControlsConvection Mode Steam Regulation Temperature Probe Method Deluxe Manual Control only Powering Down Wiring Diagrams Electric Combi Oven Electrical Operation Level Electric Combi Oven Electrical Operation Level Electric Combi Oven Electrical Operation Electric Heater Circuits Electric Combi Oven Electrical Operation Electric Combi Oven Electrical Operation Troubleshooting Electric Combi Ovens TroubleshootingProceduresand Adjustments OperationIncorrect temperature probe in use. Ensure Adjustments Configuration Mode ProgramableProcedures and Adjustments Symptom Possible Causes Replacement of Parts

VCE10F 126179, VCE20F 126173, VCE6H 126177, VCE10H 126178, VCE20H 126172 specifications

The Vulcan-Hart VCE series consists of several efficient and powerful cooking equipment models, including the VCE20H 126172, VCE10H 126178, VCE6H 126177, VCE20F 126173, and VCE10F 126179. These models are designed to meet the rigorous demands of commercial kitchens and food service operations.

The VCE20H 126172 is a versatile convection oven that offers a spacious cooking capacity, making it ideal for establishments with high-volume cooking needs. Its dual fan system ensures even heat distribution, which results in perfectly cooked dishes every time. This model features a digital control panel that allows for precise temperature adjustments and programmable cooking settings, enhancing overall operational efficiency.

Similarly, the VCE10H 126178 is a compact yet powerful option that accommodates smaller kitchens while still delivering outstanding performance. Its energy-efficient design minimizes power consumption without sacrificing output. The stainless steel construction ensures durability and easy maintenance, making it a reliable choice for busy culinary environments.

The VCE6H 126177 model is another compact oven designed for limited spaces while providing exceptional cooking capabilities. With its robust heating elements and efficient airflow system, it excels in baking and roasting tasks. Additionally, it features a user-friendly interface that simplifies the cooking process, enabling staff to focus on food quality and service speed.

The VCE20F 126173 stands out with its innovative technology, integrating a focused heating system that enhances cooking consistency and reduces cooking times. Ideal for frying, roasting, and baking, this model incorporates advanced safety features like automatic shut-off and temperature monitoring, ensuring a safe cooking environment.

Lastly, the VCE10F 126179 is perfect for establishments seeking a combination of performance and versatility. This model offers various cooking modes, allowing chefs to experiment with different techniques seamlessly. Its compact size makes it a great fit in kitchens with limited space, while the commercial-grade specifications guarantee long-lasting operation.

In conclusion, the Vulcan-Hart VCE series, featuring models like the VCE20H, VCE10H, VCE6H, VCE20F, and VCE10F, encompasses a range of options suitable for diverse commercial cooking needs. Each model is built with advanced technologies, emphasizing efficiency, safety, and durability, making them ideal choices for any professional kitchen. The carefully designed features of these ovens not only enhance cooking quality but also improve workflow, making them essential kitchen tools for culinary excellence.