ELECTRIC COMBI OVENS - TROUBLESHOOTING

SYMPTOM

 

POSSIBLE CAUSES

 

 

 

No steam generation but cavity fan

1.

Cavity temperature is above steam temperature set point

operates.

 

and oven is performing automatic cooling before steam

 

 

generation can start.

 

2.

Water supply off.

 

3.

Steam generator thermal fuse(s) open.

 

4.

Steam generator heating element(s) malfunction.

 

5.

Contactor(s) malfunction. See “HEATING MODE AND

 

 

CAVITY FAN SPEEDS” under “ELECTRICAL

 

 

OPERATION”.

 

6.

Lime scale build up (moist) on water level sensors giving

 

 

false reading. See note at the beginning of

 

 

troubleshooting section.

 

7.

Oven control board malfunction.

 

 

 

Oven displays “888F” or “888C” in the

1.

Cavity temperature probe.

temperature display.

 

NOTE: On 10 level machines - error in the single cavity

 

 

temperature probe. On 20 level machines - error in the

 

 

upper cavity temperature probe.

 

 

A. Damaged probe or thermocouple lead wire open.

 

 

B. Board connection loose or connector not inserted

 

 

onto board properly (mis-aligned).

 

 

C. Thermocouple lead wires reversed. When heating,

 

 

cavity temperature will appear to decrease for

 

 

several seconds, then error code will display.

 

2.

Low or no voltage on battery backup to maintain controls

 

 

setup and program information in SRAM. See “BATTERY

 

 

BACKUP - PROGRAMMABLE CONTROL” under

 

 

“SERVICE PROCEDURES AND ADJUSTMENTS”.

 

3.

Incorrect temperature probe in use. Ensure the

 

 

temperature probe is not a thermistor type by checking its

 

 

resistance. If resistance measures approximately 110

 

 

ohms at 70-80°F then do not use.)

 

 

 

Oven displays “999F" or “999C" in the

1.

Cavity temperature probe.

temperature display.

 

NOTE: On 10 level machines - error in the single cavity

 

 

temperature probe. On 20 level machines - error in the

 

 

lower cavity temperature probe.

 

 

A. Damaged probe or thermocouple lead wire open.

 

 

B. Board connection loose or connector not inserted

 

 

onto board properly (mis-aligned).

 

 

C. Thermocouple lead wires reversed. When heating,

 

 

cavity temperature will appear to decrease for

 

 

several seconds, then error code will display.

 

2.

Low or no voltage on battery backup to maintain controls

 

 

setup and program information in SRAM. See “BATTERY

 

 

BACKUP - PROGRAMMABLE CONTROL” under

 

 

“SERVICE PROCEDURES AND ADJUSTMENTS”.

 

3.

Incorrect temperature probe in use. Ensure the

 

 

temperature probe is not a thermistor type by checking its

 

 

resistance. If resistance measures approximately 110

 

 

ohms at 70-80°F then do not use.)

 

 

 

Page 65 of 68

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Vulcan-Hart VCE20H 126172, VCE10H 126178, VCE6H 126177, VCE20F 126173 Incorrect temperature probe in use. Ensure
Page 64 Page 66

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.
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