Middleby Marshall PS640E installation manual Problem Oven does not Heat

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SECTION 5

TROUBLESHOOTING

PROBLEM:

PRODUCTS ARE OVERCOOKED

OR UNDERCOOKED

PROBLEM:

OVEN BLOWER AND CONVEYOR OPERATE,

YET THE OVEN IS NOT HEATING

Check for correct setting of conveyor speed control.

Set the conveyor speed control at correct setting.

Check for correct

setting on tempera-

ture controller.

Turn temperature control to correct setting.

Reset the temperature controller to a new setting (above 200°F), after turning the BLOWER switch to off for 30 seconds.

Start the oven again. If the oven still does not

heat, call your Middleby Marshall Service Agency.

Verify the food

preparation process.

If products still cook incorrectly,

call your Middleby Marshall

Service Agency.

PROBLEM:

OVEN DOES NOT HEAT

Check to see if both BLOWER switch and HEAT switch are in the “ON” or “I” position.

If oven does not heat, call your

Middleby Marshall Service Agency.

PROBLEM:

CONVEYOR WILL NOT HOLD PROPER SPEED

OR WILL NOT RUN AT ALL

Check whether the conveyor is jammed on something in oven.

Check for proper tension of conveyor drive

chain and conveyor belt. Refer to Section 4 for

correct procedure.

Check that the conveyor

drive sprocket is tight.

If conveyor still does not run correctly, contact

your Middleby Marshall Service Agency.

PROBLEM:

BLOWER MOTOR IS RUNNING, YET LITTLE OR NO AIR BLOWS FROM AIR FINGERS

Air fingers reassembled incorrectly,

after cleaning.

Assemble air fingers correctly, after cleaning. Refer to Section 4 procedure, or call your Middleby Marshall Service Agency.

PROBLEM:

OVEN DOES NOT TURN ON WHEN ITS

SWITCHES ARE TURNED ON

Check that all electric supply switches are set to the “ON” or “I” position. Then, start the oven.

If oven still will not start, contact your Middleby

Marshall Service Agency.

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Contents Owners Operating and Installation Manual Retain this Manual for Future Reference Middleby Marshall Table of Contents Description Not ShownGeneral Specifications DimensionsRecommended Minimum Clearances Installation Kit Parts List for Series PS640 Electric Oven Installation KIT″ Legs Casters& Top Casters & Top Kit Model PS640 Single Oven Option Base with Legs and Top Model PS640 Double Oven Option Base with Legs and Top Model PS640 Triple Oven Option Base with Outriggers and Top III. Ventilation System RequirementsRecommendations Other ventilation concernsIV. Assembly Top Panel and Base Pad AssemblyRestraint Cable Installation StackingConveyor Installation Do not Overtighten the Conveyor BeltResetting Direction Jumper Switching Photo DetectorFinal Assembly Conveyor Belt ReversalIV. Electric Supply for Electrically Heated Ovens 18. Utility Connection Locations forDo not USE Conduit for Ground Connection Electric Supply to be Provided by CustomerLocation and Description of Controls Normal Operation STEP-BY-STEP Main ScreenDaily Startup Procedure Daily Shutdown ProcedureOven Temperature/Set Point/Indicator Screen Quick Reference Touch Screen Controller Main ScreenIII. Quick Reference Troubleshooting Maintenance Maintenance DailyII. Maintenance Monthly Top Row Bottom RowIII. Maintenance Every 3 Months Split Belt Disassembly and CleaningIV. Maintenance Every 6 Months Blower BeltKey Spare Parts Problem Oven does not Heat ProblemWiring Diagram 60231 Rev. A4

PS640E specifications

The Middleby Marshall PS640E is a state-of-the-art conveyor oven designed to meet the demands of high-volume food production with efficiency and precision. This innovative oven is widely used in pizzerias, restaurants, and various commercial kitchens, renowned for its ability to deliver consistent and high-quality food results.

One of the main features of the PS640E is its energy-efficient design. Utilizing advanced energy management technology, this oven minimizes energy consumption while maximizing cooking performance. The oven is equipped with a high-performance jet plate system that provides even heat distribution, ensuring that every dish is cooked uniformly. This technology substantially reduces cooking times, allowing operators to serve meals faster without compromising quality.

The PS640E also incorporates advanced temperature controls and an intuitive digital interface, which enable precise temperature adjustments throughout the cooking process. This feature is crucial for achieving optimal results, especially when working with a variety of food items that may require different cooking conditions. The digital controls allow for easy programmability, enabling chefs to create custom cooking profiles tailored to their specific menu items.

Another standout characteristic of the PS640E is its dual belt system. This innovative feature maximizes throughput by allowing different cooking temperatures on each belt, facilitating the preparation of diverse menu items simultaneously. This is especially beneficial in busy kitchen environments where efficiency and speed are crucial.

The oven's robust construction ensures durability and reliability under heavy use, making it a trusted choice for commercial operators. Its stainless-steel exterior not only enhances its aesthetic appeal but also makes it easy to clean and maintain. Furthermore, the PS640E has been designed with ergonomics in mind, promoting ease of use for kitchen staff.

In addition to its core functionalities, the Middleby Marshall PS640E supports a variety of cooking applications, making it a versatile addition to any kitchen. From pizzas and baked goods to roasted meats and vegetables, this oven excels in a wide array of culinary tasks, helping operators diversify their menu offerings.

In conclusion, the Middleby Marshall PS640E stands out in the crowded marketplace of commercial ovens due to its combination of energy efficiency, advanced cooking technologies, and versatile applications. Its robust design, precise controls, and user-friendly interface make it an indispensable tool for chefs and kitchen operators striving for excellence in food preparation.