Mitsubishi Electronics 882.00207.00 specifications Problem Corrective action

Page 70

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.

 

 

 

 

Bulletin Number

Chapter 6: Troubleshooting

69 of 102

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Contents Gravimetric Slide Gate Batch Blender Mitsubishi Controller Parts and Service Department If the Shipment is Not Complete Unpacking and InspectionEvent of Shipping Damage If the Shipment is Not CorrectReturns Warranty ReturnsCredit Returns Table of Contents Maintenance Customer Responsibilities Technical Specifications How to Use This Manual Safety Symbols Used in this ManualSafety Tags and Warning Labels Description Follow all Safety Codes Wear Safety Glasses and Work GlovesGeneral Responsibility ResponsibilityOperator Responsibility Remember Maintenance Responsibility Reporting a Safety DefectModels Covered in This Manual AccessoriesCustomer Service General DescriptionEquipment Specifications Mechanical Features Typical Features and ComponentsController Features System Component Description Supply HoppersSlide Gates Typical Slide Gate Assembly Weigh HopperTypical Weigh Hopper Assembly Mix Chamber Operator Control Panel DisplayFunction Typical Operator Screens Typical Setup Screens Bulletin Number Functional Description Low Level Sensors Optional ComponentsPneumatic Slide Gate below Mixer Mezzanine and Floor StandsAdditive Feeder Hopper Regrind Auger Metering R.A.M. HopperTake-off Compartments Safety Device Lock-Outs Safety FeaturesSafety Circuit Standards Fail Safe OperationElectrical Disconnect Plug Twist Cap Plug Connected to Each Feeder Auger MotorElectric Safety Interlock Switch Electrical Safety Interlock Switch Located on mixer doorMechanical Installation Uncrating the EquipmentSite Requirements Mounting ConfigurationsMachine Mount Mezzanine Mount Typical Mezzanine Mounted Batch BlenderFloor Mount Central Blender Typical Floor Mount Central Blender LayoutElectrical Connections Pneumatic ConnectionsMechanical Set-up Initial Set-upStroke Limiters for Metering Gates Weigh Hopper Installation Weigh Hopper Final ConnectionsDisplay Main Recipe Screen Controller Set-upBlender Controller Menu Structure Recipe Page StartBlender Calibration Display Calibration Menu Screen Alarm Setup Feeder Calibration Auger BlendersNetwork Setup Setting Date and TimeAdditional Setup Parameters Initial Startup General Operation Quick Start ProcedureStart-up New RecipesOperation Procedures Existing RecipesOperator Displays Typical Recipe Entry Operator ScreenTypical Inventory Display Operator Screen Recipe Entry FormatsRecipe Format Menu Quickset Mode Most common in injection molding Example Calculations of a 5-component blend in Quickset mode Recipe Setup Percentage Mode Most common in extrusion and blow moldingSwitching Modes Current Recipe MenuTypical Batch Sizes Blender Batch Size lbs Inventory ShutdownMixer and Dump Setup Weigh Hopper Dump Delay Time Re-Mix TimerWeigh Hopper Dump Time Weigh Hopper Dump Cycle Alarm FlagsMixer Dump Time Calibration Error Typical PLC Battery Low Alarm Screen Feeder Clean Out Tree Diagram in -5 of this manual Recipe BookSave Running Recipe to the Book Display Recipe ContentsLoad a Saved Recipe from the Book Erase Recipe or Entire Book Color ChangesShut-down Typical Inventory Shutdown Operator ScreenPreventative Maintenance Schedule Sample Preventative Maintenance ScheduleElectrical Preventative MaintenanceCorrective Maintenance Internal Components of the Control PanelInput Signals to Programmable Controller Output Signals from Programmable ControllerTroubleshooting IntroductionProblem Corrective action Problem Corrective action Warranty will be voided Service Department Warranty Restrictions WarrantyWarranty Specifications Warranty LiabilitiesEquipment Specifications Technical SpecificationsCustomer Responsibilities Annex B Information Drawings and Diagrams Final AssemblyMixer Sub-Assembly Typical Mixer Assembly Parts List Hopper Sub-assembly Typical Hopper Assembly Parts ListHopper R.A.M. Regrind Auger Metering Sub-Assembly Optional Typical R.A.M. Hopper Assembly Parts ListHopper Additive Feeder Sub-Assembly Optional Typical Additive Feeder Hopper Assembly Parts ListWeigh Hopper Sub-assembly Typical Weigh Hopper Assembly Parts ListSlide Gate Sub-assembly Typical Slidegate Assembly Parts ListKnife Gate Sub-assembly HD Optional Typical Knife Gate below mixer Assembly Parts ListKnife Gate Sub-assembly RD Optional Typical Knife Gate floor stand Assembly Parts ListTypical Mitsubishi Controller Main Parts List Control Panel LayoutBlender Spare Parts Listing Spare Parts KitsPasswords Addendum Service Supervisor InformationProgrammable Settings Advanced Weight Options Screen Factory Setup MenuMetering Test Screen Feed Algorithm Options Screen Feed Calibration Options ScreenFeeder Setup Mechanical Options ScreenCustomer Setup Menu UnitsTypical Alarm Flags & Feeder Setup Screen Alarm LogFactory Default Setup Parameters Recipe FormatLoadcell Calex Module Dipswitch Settings Mitsubishi Communications Manual General Blender InfoBlender Alarms Inventory Info Recipe Info this is Where YOU Right the NEW Recipe to Recipe Book Manipulation Alarm Number Explanation Fixed Decimal ExplanationUntil the Hopper Feeds Material Into the NEW Batch Parts Department Service Department Sales DepartmentTechnical Assistance Contract Department
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882.00207.00 specifications

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