Mitsubishi Electronics 882.00207.00 specifications Problem Corrective action

Page 69

Problem

Corrective action

 

Check the blender’s scale calibration and verify that the batch

 

hopper is not overfilling. If the hopper is overfilling, adjust your

Recorded Inventory Totals don’t

batch size. If this is correct, then you are probably not accounting

match what I’ve actually used.

for material scrap or other items in your process.

 

Some error can be introduced by not weighing every batch. Check

 

the Recipe Page.

 

 

Max Hopper Weight Exceeded

Stop the Blender and the Start it again. This causes the blender to

perform an automatic feeder calibration. If this doesn’t fix it, then

Alarm continues to re-occur.

manually perform feeder calibrations and retest.

 

 

 

 

The blender intermittently dumps a batch of material with one or

 

more of the components incomplete.

 

 

Blender occasionally dumps an

Check the recipe information; ensure that both the percentages and

batch size are set properly.

incorrect batch.

 

 

Check the status of the alarm flags & Feeder Setup to ensure that

 

all of the feeders are set to Retry. In addition, if the blender is

 

configured for timed batches then this can cause error.

 

 

 

Check supply hopper ventilation to prevent problem associated

 

with leaky vacuum receiver flappers.

 

 

 

Check the mixer high-level switch sensitivity. When the sensor is

 

covered by material, the indicator lamp on the back of the switch

 

should be lit. To adjust the sensitivity, use the small adjustment

Blender keeps dumping after

screwdriver that was provided with the blender. The adjustment

pot is located on the back of the sensor. Rotate clockwise to

mixer is full.

increase the sensitivity (less material in front of the switch to

 

 

actuate it). Rotate counter clockwise to decrease the sensitivity

 

(more material covering the switch).

 

 

 

Check the mixer high-level sensor connection to the control panel.

 

 

 

Check the mixer high-level switch sensitivity. Fines may have

Blender will not batch with

coated the level switch; it needs readjustment.

 

Check the proximity switch connection.

empty mixer.

Make sure that the recipe is correct.

 

 

 

 

Check batch size.

 

 

882.00207.00

Chapter 6: Troubleshooting

68 of 102

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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 ChamberController Pushbuttons & Touchscreen Tags Button Function Typical Operator Screens Typical Setup Screens 882.00207.00 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 Controller 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 RecipesOperation Procedures Existing RecipesOperator Displays Typical Recipe Entry Operator Screen Recipe Entry Formats Typical Inventory Display Operator ScreenRecipe Format Menu Quickset Mode Most common in injection moldingExample Calculations of a 5-component blend in Quickset mode Recipe Setup Inventory Shutdown Typical Batch Sizes Blender Batch Size lbsMixer and Dump Setup Re-Mix Timer Weigh Hopper Dump Delay TimeWeigh Hopper Dump Time Weigh Hopper Dump Cycle Alarm FlagsMixer Dump Time Hopper 1-6 Out of MaterialMax Hopper Weight Exceeded, Check Batch Size Calibration Error, Clean out Hopper and Check CalibrationPower Interruption while metering a Batch Blender Powered On/Off PLC Battery LowInventory Cleared Stop ScreenFeeder Clean Out Recipe Book 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 Controller warranty will be voided Problem Corrective action Warranty Specifications WarrantyWarranty Restrictions Warranty LiabilitiesEquipment Specifications Technical SpecificationsAnnex 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 MenuTypical Alarm Flags & Feeder Setup Screen Alarm LogReport Setup 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 ExplanationRecording the Targets VS. Actuals for Each Batch Technical Assistance Service Department Sales DepartmentParts Department Contract Department882.00207.00 Appendix 102
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882.00207.00 specifications

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