Mitsubishi Electronics 882.00207.00 specifications Problem Corrective action

Page 69

 

Problem

 

 

Corrective action

 

 

 

 

 

Normal after a software upgrade. Follow on-screen instructions.

 

 

 

 

 

 

 

 

 

Check the input power. Verify that 110 volts (or 220 volts) are

 

 

 

 

±10%. This voltage must remain constant with all the motors

 

 

 

 

starting and stopping. Insure that the blender is on a “clean” circuit

 

 

 

 

that does not have other equipment on it. If the power is known to

 

 

 

 

be intermittent and have problems, set up the unit to run in

 

 

 

 

“AutoStart” mode. See the factory setup sheet at the end of this

 

 

 

 

manual. In this mode, if a short power interruption occurs, the

 

PLC Module Loaded

 

 

blender will automatically restart.

 

 

 

 

 

 

 

 

 

Check the power supply. Make sure that it has +5 VDC output to

 

 

 

 

 

 

 

 

the CPU board. Adjust to +5 VDC, ±0.1 volt.

 

 

 

 

 

 

 

 

 

 

Check the display ribbon cable connection to the CPU board and

 

 

 

 

the display. See the electrical chapter for more information.

 

 

 

 

 

 

 

 

 

Check the contrast adjustment located on the display board.

 

 

 

 

 

 

 

 

 

 

Check keyboard ribbon cable connections.

 

 

 

 

 

Check the CPU board for “lockup”. To do so, reset the CPU board

 

 

 

 

by cycling the power off and on at the motor control panel.

 

 

 

 

 

 

 

 

 

Check batch weight setting in the recipe menu. See the setup

 

 

 

 

chapter for more information.

 

 

 

 

 

 

 

 

 

 

Check the load cells and weigh hopper mounting for binding, etc.

 

 

 

 

 

 

Weigh hopper occasionally

 

 

Check to see that a pellet has not lodged under a load cell.

 

 

 

 

 

 

overfills.

 

 

Check the ingredient supply hoppers to verify proper ventilation. If

 

 

 

 

a vacuum receiver has a leaking flapper valve and the supply

 

 

 

 

hopper is not vented, the blender computer can learn inaccurately

 

 

 

 

and cause an overfill condition on the next few cycles.

 

 

 

 

 

 

 

 

 

 

Check the load cell connections to the panel.

 

 

 

 

 

 

 

 

 

 

Check the mix timer setting. This problem is normally due to over

 

 

 

 

mixing. See the mix timer section in the setup chapter. Reduce the

 

Material tends to separate in the

 

 

time until the problem is corrected.

 

 

mixing chamber.

 

 

Check the mixer drive to ensure that the agitator is turning

 

 

 

 

properly.

 

 

 

 

 

 

 

 

 

 

Check the high level switch in the mixer to lower the level slightly.

 

 

 

 

 

 

 

Material sticks to the flapper of

 

 

 

 

 

the weigh hopper and is not

 

 

Increase the Dump Cycles setting in Mixer and Dump Setup.

 

dumped.

 

 

 

 

 

 

 

 

 

 

 

Too much material remains in

 

 

Increase the Mixer Dump Time in Mixer and Dump Setup.

 

the mixer.

 

 

 

 

 

 

 

 

 

 

 

Increase the Mixing Time in Mixer and Dump Setup. Actually if

 

The material is not being mixed

 

 

you over mix material, you can have the same problem. If you

 

thoroughly.

 

 

have the blender set for “Continuous Mixing” then change it to

 

 

 

 

“Timed Mixing” and adjust the Mixing Time appropriately.

 

 

 

 

Bulletin Number

Chapter 6: Troubleshooting

68 of 102

Page 68 Page 70
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Page 68 Page 70
Contents Gravimetric Slide Gate Batch Blender Mitsubishi Controller Parts and Service Department Event of Shipping Damage Unpacking and InspectionIf the Shipment is Not Complete If the Shipment is Not CorrectWarranty Returns ReturnsCredit Returns Table of Contents Maintenance Customer Responsibilities Technical Specifications Safety Symbols Used in this Manual How to Use This ManualSafety Tags and Warning Labels Description Wear Safety Glasses and Work Gloves Follow all Safety CodesResponsibility General ResponsibilityOperator Responsibility Remember Reporting a Safety Defect Maintenance ResponsibilityCustomer Service AccessoriesModels Covered in This Manual General DescriptionEquipment Specifications Typical Features and Components Mechanical FeaturesController Features Supply Hoppers System Component DescriptionSlide Gates Weigh Hopper Typical Slide Gate AssemblyTypical Weigh Hopper Assembly Operator Control Panel Display Mix ChamberFunction Typical Operator Screens Typical Setup Screens Bulletin Number Functional Description Pneumatic Slide Gate below Mixer Optional ComponentsLow Level Sensors Mezzanine and Floor StandsRegrind Auger Metering R.A.M. Hopper Additive Feeder HopperTake-off Compartments Safety Circuit Standards Safety FeaturesSafety Device Lock-Outs Fail Safe OperationTwist Cap Plug Connected to Each Feeder Auger Motor Electrical Disconnect PlugElectrical Safety Interlock Switch Located on mixer door Electric Safety Interlock SwitchUncrating the Equipment Mechanical InstallationMounting Configurations Site RequirementsMachine Mount Typical Mezzanine Mounted Batch Blender Mezzanine MountTypical Floor Mount Central Blender Layout Floor Mount Central BlenderPneumatic Connections Electrical ConnectionsInitial Set-up Mechanical Set-upStroke Limiters for Metering Gates Weigh Hopper Final Connections Weigh Hopper InstallationController Set-up Display Main Recipe ScreenRecipe Page Start Blender Controller Menu StructureBlender Calibration Display Calibration Menu Screen Feeder Calibration Auger Blenders Alarm SetupSetting Date and Time Network SetupAdditional Setup Parameters Initial Startup Start-up Quick Start ProcedureGeneral Operation New RecipesExisting Recipes Operation ProceduresTypical Recipe Entry Operator Screen Operator DisplaysRecipe Entry Formats Typical Inventory Display Operator ScreenRecipe Format Menu Quickset Mode Most common in injection molding Example Calculations of a 5-component blend in Quickset mode Switching Modes Percentage Mode Most common in extrusion and blow moldingRecipe Setup Current Recipe MenuInventory Shutdown Typical Batch Sizes Blender Batch Size lbsMixer and Dump Setup Re-Mix Timer Weigh Hopper Dump Delay TimeWeigh Hopper Dump Time Alarm Flags Weigh Hopper Dump CycleMixer Dump Time Calibration Error Typical PLC Battery Low Alarm Screen Feeder Clean Out Recipe Book Tree Diagram in -5 of this manualDisplay Recipe Contents Save Running Recipe to the BookLoad a Saved Recipe from the Book Color Changes Erase Recipe or Entire BookTypical Inventory Shutdown Operator Screen Shut-downSample Preventative Maintenance Schedule Preventative Maintenance ScheduleCorrective Maintenance Preventative MaintenanceElectrical Internal Components of the Control PanelOutput Signals from Programmable Controller Input Signals to Programmable ControllerIntroduction TroubleshootingProblem Corrective action Problem Corrective action Warranty will be voided Service Department Warranty Specifications WarrantyWarranty Restrictions Warranty LiabilitiesTechnical Specifications Equipment SpecificationsCustomer Responsibilities Annex B Information Final Assembly Drawings and DiagramsMixer Sub-Assembly Typical Mixer Assembly Parts List Typical Hopper Assembly Parts List Hopper Sub-assemblyTypical R.A.M. Hopper Assembly Parts List Hopper R.A.M. Regrind Auger Metering Sub-Assembly OptionalTypical Additive Feeder Hopper Assembly Parts List Hopper Additive Feeder Sub-Assembly OptionalTypical Weigh Hopper Assembly Parts List Weigh Hopper Sub-assemblyTypical Slidegate Assembly Parts List Slide Gate Sub-assemblyTypical Knife Gate below mixer Assembly Parts List Knife Gate Sub-assembly HD OptionalTypical Knife Gate floor stand Assembly Parts List Knife Gate Sub-assembly RD OptionalControl Panel Layout Typical Mitsubishi Controller Main Parts ListSpare Parts Kits Blender Spare Parts ListingAddendum Service Supervisor Information PasswordsProgrammable Settings Factory Setup Menu Advanced Weight Options ScreenMetering Test Screen Feed Calibration Options Screen Feed Algorithm Options ScreenMechanical Options Screen Feeder SetupUnits Customer Setup MenuAlarm Log Typical Alarm Flags & Feeder Setup ScreenRecipe Format Factory Default Setup ParametersLoadcell Calex Module Dipswitch Settings General Blender Info Mitsubishi Communications ManualBlender Alarms Inventory Info Recipe Info this is Where YOU Right the NEW Recipe to Recipe Book Manipulation Fixed Decimal Explanation Alarm Number ExplanationUntil the Hopper Feeds Material Into the NEW Batch Technical Assistance Service Department Sales DepartmentParts Department Contract Department
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882.00207.00 specifications

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