Garland MP-GS, MP-GD-10-S service manual Ok?

Page 47

Part # MPSM07 (03/24/08)

Moisture + Gas Heat Generation & Temperature Regulation System Troubleshooting guide

Check:

Inlet Gas Shut-off Valve is open..

Electrical power is connected and on..

Check for Display Status, if unit has a deluxe panel..

Security of MPO door..

All water connections are tight, inlet pressure is > 30 psi..

Incoming gas pressure is within specs..

Preliminary

Checks

Is it an Ignition box

problem?

Yes

Restart Oven:

( Control panel on )

Observe automatic call for heat if oven cavity was cool..

Verify Convection Blower motor is up to speed..

Insure temp.. quickly increases to set temp..

Does the unit heat up?

 

No

 

 

 

 

 

 

 

 

Yes

 

 

Select the lower scale of microamps on your multi- meter..

Connect the red lead to the sense terminal on the module, and the black lead to the sense wire that is routed to the direct ignition flame sensor..

Recall for heat at the oven panel, while you watch the flame current reading..

Flame current should be no less than 0..3 microamps

-steady

This modules will try for a stable burner flame 4 times, and if not successful, will then lock out.. A recall for heat will them be required..

The following results should be determined:

-Did the ignitor produce a spark?

-During ignition, did the burners light?

-Did the burners remain on?

Restart for heat while checking MV output Voltage..

Module Check:

Check for 24 VAC input!

Check for 24 VAC output from MV terminal on module

during call for heat!

OK?

No

Display Check:

 

• “Heat” should be

 

displayed on the

No

digital readout..

 

Temperature values should display while actual heat is increasing..

Oven should reach set temperature and cycle burner off..

Page 47

Does the product

 

No

cook correctly?

 

 

 

Baking Cavity

Checks..

Check probe for cleanliness , security, and circuit for proper resistance value changes per probe chart.. (If unit uses a deluxe panel, complete the calibration check using the panel diagnostics sequence..

Yes

Yes

 

Call Garland Technical

 

 

 

You

Service

 

1-800-424-2411

 

found

 

 

cause!

 

Tell technical service

representative the checks

you made, and your

observations.

Image 47
Contents Models MP-GS/GD-10-S MPSM07 03/24/08 Table of Contents MPSM07 03/24/08 Section One Operation Installation Manual MPSM07 03/24/08 Inlet Hour Dimensions and SpecificationsLegs and Casters Preparing the Oven for InstallationInner Outer Open Base AssemblyItem Description Stacking Two OvensWall Clearance InstallationGAS Connections LocationElectrical Connections Drain Water ConnectionsWater Quality Requirements Spray/Flex Hose W/Quick DisconnectVentilation and AIR Supply Installation of a Direct VentTo Conserve Energy GAS Model Testing & Lighting InstructionsLight Switch Moisture SwitchFan Speed Switch Power SwitchInterior Light Off ModeStart Up Fan SpeedMoisture DisplayOn/Off LightPulse Fan Start/CancelHigh Fan Low FanAuto Cool Down And Cool Down Changing the Temperature Scale, F or CProgrammable Control Deluxe Models Start-UpProgram Moisture Using Cook & HoldCooking With a Core Probe To program a recipe key Programming Recipe KeysSystem Program Options Cooking With a Recipe Key Using the Shelf Timer FeatureTo program shelf timers Display Messages Cooking with shelf timersMPSM07 03/24/08 Page MPSM07 03/24/08 Programmable Control, Deluxe Models User Moisture SettingsCooking with Moisture Mechanical Control, Standard ModelsTime Deluxe Control Standard Control Moisture + Cooking GuideProduct Temp Kaiser Rolls Performance Recommendations About Moisture PresetsTemperature Calibration Solution Problems / SolutionsProblem Fan Area Cleaning CleaningExterior Cleaning Interior CleaningWater System MaintenanceMotor Care Replacement Parts MPSM07 03/24/08 Section Two Service Deluxe Fast Panel Moisture Control Component IdentificationMoisture Control Mechanical Moisture Control Water pressure checkSpritzer Water Inlet Cavity Temperature ControlsService Overview Control Compartment Ambient TemperatureSolid State control Heat Control Transformer Proper Door Switch Activation Diagnostic ProceduresDiagnostics Mode Door Switch TestHeat Test Temperature CalibrationControl Safety Features Fan Speed TestDiagnostic Procedures Fast Control Testing & TroubleshootingMechanical Control OK? Key Ribbon Test Points Key Pad / Ribbon Connector Test PointsRelay Relay Output Relay Board Component IdentificationRelay Board Inputs Outputs Function Test Point Test PointsDirect Spark Ignition Module Component ReadingsFan Motor And Blower Wheel Dual Stage Gas Valve Solenoid ResistanceJohnson Controls INC ManufacturerWiringdiagrams Wiring Diagrams Oven Door Light Service / Removal Service Procedures REMOVAL/REPLACEMENTOven Door Service Removal / Installation Remove both screws.. do not Touch the Countersink Screw Oven Temperature Probe Service/RemovalDoor To Cavity Seal Adjustments RH Door Frame To Cavity Seal AdjustmentMPSM07 03/24/08 Section Three Parts List Moisture Plus GAS Electronic Deluxe Control Panel Gas Garland Parts IdentificationStandard Control Panel Description Quantity UP to From Standard Control Panel Mechanical ControlBurners & GAS Components Burner & Gas Components Moisture Plus GAS Interior Components Gas MPSM07 03/24/08 Moisture +Description QTY UP to From Door ComponentsMoisture + 1934501 Valve-regulator Plumbing Components GasMoisture Plus 1926501 Caster 4 Screw 1926502 Caster 4 With Brake Screw Main ExteriorModel Wire Diagrams & HarnessesWire Diagrams Wire HarnessMPSM07 03/24/08 MPSM07 03/24/08 MPSM07 03/24/08

MP-GS, MP-GD-10-S specifications

The Garland MP-GD-10-S and MP-GS are innovative electric pizza ovens designed for commercial applications, particularly in restaurants, pizzerias, and cafes. These ovens combine advanced technology with user-friendly features to deliver high-quality pizza quickly and efficiently.

One of the standout features of the Garland MP-GD-10-S is its dual-deck design, allowing operators to prepare two separate pizzas at once. This is a significant advantage during peak hours, as it enhances productivity without compromising quality. The MP-GS model boasts a similar configuration, promoting efficient cooking while also providing versatility in menu offerings.

Both models are equipped with powerful heating elements that ensure rapid heat-up times and consistent cooking temperatures. This technology is crucial for achieving the perfect pizza crust, as it facilitates even heat distribution across the cooking surface. The ovens also feature adjustable temperature controls, allowing users to tailor the cooking environment according to specific recipes or customer preferences.

The Garland MP-GD-10-S and MP-GS come with durable stainless steel exteriors, which not only contribute to an appealing aesthetic but also ensure easy cleaning and maintenance. The removable crumb tray further simplifies the cleanup process, allowing operators to focus on their culinary creations rather than time-consuming maintenance tasks.

Another notable characteristic of these ovens is their user-friendly controls. The intuitive interface allows staff to operate the ovens with minimal training, reducing the likelihood of errors and enhancing overall efficiency in the kitchen. Additionally, both models utilize a reliable digital timer for precise cooking times, ensuring that each pizza is cooked to perfection.

In terms of safety, the Garland MP-GD-10-S and MP-GS are equipped with sturdy door hinges and double-walled construction, promoting temperature retention and preventing exterior overheating. This design not only enhances safety in the kitchen but also optimizes energy efficiency, making them economical choices for busy food establishments.

Overall, the Garland MP-GD-10-S and MP-GS are exceptional electric pizza ovens that embody cutting-edge technology and practical design. Their combination of productivity, user-friendliness, and durable construction makes them a valuable addition to any commercial kitchen, catering to the demands of fast-paced culinary environments while ensuring top-notch pizza quality. Whether for a bustling pizzeria or a cozy cafe, these ovens are tailored to meet the needs of today’s food service professionals.