Middleby Marshall PS360WB Quick Reference Troubleshooting, Symptom, Problem, Solution

Page 24

SECTION 3

OPERATION

V. QUICK REFERENCE: TROUBLESHOOTING

SYMPTOM

light is lit, food product

is undercooked

Oven will not turn on at all

PROBLEM

The oven temperature exceeded 650°F (343°C), and the burner was auto- matically shut down.

Electrical power may not be reaching the oven, or the controls may be set incorrectly.

SOLUTION

•Follow the procedures under DAILY SHUTDOWN PROCEDURES to shut down the oven. Contact your Middleby Marshall Authorized Service Agent to deter- mine and correct the cause of the condition to prevent damage to the oven.

•Check that the circuit breaker/fused disconnect is turned on.

•Check that the BLOWER Switch is in the “ON” position. The burner cannot engage until the blowers are in operation.

Oven shuts down

The gas burner did not

shortly after it is

light within 90 seconds of

turned on

turning the HEAT Switch

 

to the “ON” position. This

 

automatically engages a

 

safety lockout mode.

•Turn the HEAT switch to the “OFF” position.

•Wait for 60 seconds.

•Repeat the Daily Startup procedure.

 

The oven did not reach

 

200°F (93°C) within 15

 

minutes of startup, and

appears in display,

the oven has stopped

oven is not heating

heating.

Oven will not heat

Controls may be set in-

 

correctly.

Oven is operating, but

Air fingers may have been

little or no air is blowing

reassembled

incorrectly

from air fingers

after cleaning.

Conveyor moves with a

Conveyor

may be

jerky motion, or will not

jammed on an object in

move at all

the oven, or conveyor belt

 

or drive chain tension may

 

be incorrect.

 

Food products are

Controls may be set in-

overcooked or

correctly.

 

undercooked.

 

 

•Turn the BLOWER Switch to the “OFF” position.

•Wait for 30 seconds.

•Repeat the Daily Startup procedure.

•Check that both the BLOWER and HEAT Switches are in the “ON” position.

•If the oven still will not heat, turn the BLOWER Switch to the “OFF” position.

•Wait for 30 seconds.

•Repeat the Daily Startup procedure. Check that the Set Point is above 200°F (93°C).

•Turn the oven off, and allow it to cool. Disconnect electrical power to the oven.

•Refer to Section 4, Maintenance, for instructions on reassembling the air fingers.

•Turn the oven off, and allow it to cool. Disconnect electrical power to the oven.

•Check if the conveyor is blocked by an object inside the oven.

•Refer to Section 4, Maintenance, for instructions on checking the conveyor and drive chain tension.

•Check that the set temperature and bake time settings are correct.

IF THESE STEPS FAIL TO RESOLVE THE PROBLEM, CONTACT YOUR LOCAL MIDDLEBY MARSHALL AUTHORIZED SERVICE AGENT.

3-4

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Contents Owners operating Installation manual For Your Safety No Quibble Limited Warranty Oven Limited WarrantyTable of Contents Oven Specifications Physical SpecificationsGeneral Specifications per oven section Electrical Specifications per oven sectionII. Oven Uses III. Oven ComponentsSection Installation Installation KIT Installation KitIII. Ventilation System RequirementsRecommendations OtherventilationconcernsIV. Thermocouple Installation Thermocouple Installation LocationsPlacing the Thermocouple Leads Thermocouple Lead ConnectionsAssembly Oven StandJoining the Oven Bodies Left OvenCooling Fan Removal Installingthecentertransition Installing the Center TransitionSupport Channel Installation Lower Oven Support Channel Installation Upper OvenFloor Panel Installation Installing Frame Support Brackets Lower OvenSupport Brackets Upper Oven Installing the Conveyor Frame and Belt Conveyor InstallationSectionsFigure Quad Tandem Conveyor Installation Tandem and Double Tandem21 Conveyor Link Orientation Outside Master Links24 Transition Section Final Assembly Conveyor Motor and Drive Chain AssemblyVI. Electrical Supply Oven Data PlateFor Domestic Ovens Without External Transformers For Export Ovens with External TransformersDuring Pressure Testing Note ONE Following VII.GAS SupplyConnection Utility Connection LocationsFlexible Gas Hose Installation Gas Burner and Piping AssemblyGAS Conversion Location and Description of Controls Control PanelDaily Startup Procedure Daily Shutdown ProcedureII. Normal Operation STEP-BY-STEP IV. Quick Reference Digital Temperature Controller III. Quick Reference Calculating the Bake TimeEnd timing Quick Reference Troubleshooting SymptomProblem SolutionSection Maintenance Maintenance Daily Rear of OvenCrumb Pans II. Maintenance Monthly Top Row T1 T2 T3 T4 T5 T6 Bottom Row B1 B2 B3 B4 B5 B6Veyor Belt III. Maintenance Every 3 Months IV. Maintenance Every 6 MonthsElectrical Schematics Section Section Electrical Schematics Middleby Corp 24-Hour Service Hotline
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PS360, PS360WB specifications

The Middleby Marshall PS360 is a cutting-edge conveyor oven that revolutionizes the way restaurants and commercial kitchens approach food preparation. Specifically designed to enhance efficiency and optimize cooking processes, this oven has gained recognition for its ability to deliver consistently high-quality results in a fast-paced environment.

One of the standout features of the PS360 is its innovative design that incorporates advanced forced air technology. This technology ensures even heat distribution throughout the cooking chamber, resulting in perfectly cooked pizzas, sandwiches, and other menu items without the need for frequent rotation. The forced air system also reduces cooking times, allowing for increased output, making it ideal for high-demand settings such as pizzerias and fast-casual dining establishments.

The PS360 is equipped with a user-friendly digital control panel that allows chefs to easily monitor and adjust cooking temperatures and times. This interface offers precise control over the cooking process, enabling users to customize settings based on specific recipes and customer preferences. Additionally, the oven features a range of programmable settings, allowing for quick adjustments that cater to varying menu items.

Another notable characteristic of the PS360 is its durable construction. Built with high-quality materials, it is designed to withstand the rigors of a busy kitchen environment. Its stainless steel exterior not only adds to its aesthetic appeal but also ensures easy cleaning and maintenance.

Safety is also a paramount concern for the Middleby Marshall PS360. The oven is designed with built-in safety features, including safety locks and temperature alerts, which help prevent accidents and ensure safe operation. The design also accommodates ventilation needs while maximizing energy efficiency, offering a sustainable solution for restaurants looking to reduce their carbon footprint.

Moreover, the PS360 is capable of handling a wide variety of menu items, from traditional pizzas to baked goods and roasted vegetables, making it a versatile addition to any kitchen. The ability to cook multiple items simultaneously streamlines kitchen operations and increases productivity.

In summary, the Middleby Marshall PS360 is a powerful and versatile conveyor oven that combines advanced technology, user-friendly features, and durable design. It enhances cooking efficiency, ensures consistent quality, and supports restaurants in delivering exceptional dishes to their customers. Whether for high-volume operations or varied menu needs, the PS360 stands out as an invaluable tool in commercial kitchens.
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