Mitsubishi Electronics 882.00207.00 specifications Warranty will be voided

Page 71

 

Problem

 

Corrective action

 

 

 

Check the Mixer and Dump Setup to see if the mixer is configured

 

 

 

for “Continuous Mixing”. Set it to “Timed Mixing”.

 

 

 

 

 

 

 

Check the value of the mixer timer setting.

 

 

 

 

 

 

 

Check the value of the dump delay timer.

 

 

 

 

 

 

 

Check the mixer motor fuse. This is located in the control panel on

 

 

 

the SSR for the mixer motor. If the unit has two (2) power inlets

 

 

 

with a separate power inlet for the mix motor the overload fuse

 

 

 

will be located in the rear junction box on the blender frame.

 

 

 

 

 

 

 

Check the power source to the blender.

 

 

 

 

 

 

 

Check the load cell in diagnostics under direct scale readout. Place

 

Mixer won’t shut off and runs

 

a calibration weight on the weigh hopper; determine if the weight

 

 

corresponds.

 

continuously.

 

 

 

 

 

 

 

Check the load cells to make sure that a pellet has not jammed

 

 

 

under a load cell.

 

 

 

 

 

 

 

Check the load cell connections to the control panel

 

 

 

Check the power supply voltage and readjust as necessary as

 

 

 

described earlier.

 

 

 

 

 

 

 

Check the memory battery voltage on the CPU board. If the

 

 

 

battery is dead, the blender “forgets” settings when the power is

 

 

 

off. Replace it with a new battery. Order a spare CPU board; send

 

 

 

the replaced one back to the factory to have a new battery holder

 

 

 

and battery installed. If this is done in the field, the controller

 

 

 

warranty will be voided.

 

 

 

Go to the Manual Control Page and check to see if “Hop Low”

 

 

 

equals “1”. If it does, then adjust the low-level prox until the value

 

Out of Material Alarm is

 

reads “0”.

 

 

 

 

 

Ensure that the material hopper is properly vented. If the vacuum

 

displayed, but there is material

 

 

 

receiver is leaky, then this will cause the problem. To test this, fill

 

in the hopper.

 

 

 

up the hopper and turn the loader off to prevent leaking.

 

 

 

 

 

 

If this isn’t the problem, then increase the “Out of Material Retry

 

 

 

Limit” found under Feed Algorithm Options (see manual).

 

 

 

 

 

I’m not getting Out of Material

 

Check the Alarm Flags & Feeder Setup to see if the feeder is

 

Alarms

 

configured to give you an alarm.

 

 

 

 

 

 

 

Clean out the hopper and retest. If this doesn’t fix the problem,

 

Calibration Weight Exceeded

 

then perform a scale calibration. Also, check to sure that the

 

 

Dump Time is not set extremely low. If all else fails, check the

 

 

 

value set for the Max Empty Weight. This might need to be

 

 

 

increased.

 

 

 

 

 

The feeder calibration values

 

First, check that the displayed actual dispensed weight is accurate.

 

 

If this is OK, then check to see if the hopper is properly vented.

 

are moving too much.

 

 

 

To do this, fill hopper and turn off the loader and retest.

 

 

 

 

 

 

 

Bulletin Number

Chapter 6: Troubleshooting

70 of 102

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Page 70 Page 72
Contents Gravimetric Slide Gate Batch Blender Mitsubishi Controller Parts and Service Department If the Shipment is Not Correct Unpacking and InspectionEvent of Shipping Damage If the Shipment is Not CompleteCredit Returns Warranty ReturnsReturns 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 CodesOperator Responsibility ResponsibilityGeneral Responsibility Remember Reporting a Safety Defect Maintenance ResponsibilityGeneral Description AccessoriesCustomer Service Models Covered in This ManualEquipment Specifications Controller Features Typical Features and ComponentsMechanical 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 Mezzanine and Floor Stands Optional ComponentsPneumatic Slide Gate below Mixer Low Level SensorsTake-off Compartments Regrind Auger Metering R.A.M. HopperAdditive Feeder Hopper Fail Safe Operation Safety FeaturesSafety Circuit Standards Safety Device Lock-OutsTwist 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 InstallationMachine Mount Mounting ConfigurationsSite Requirements Typical Mezzanine Mounted Batch Blender Mezzanine MountTypical Floor Mount Central Blender Layout Floor Mount Central BlenderPneumatic Connections Electrical ConnectionsStroke Limiters for Metering Gates Initial Set-upMechanical Set-up 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 New Recipes Quick Start ProcedureStart-up General OperationExisting 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 Current Recipe Menu Percentage Mode Most common in extrusion and blow moldingSwitching Modes Recipe SetupInventory Shutdown Typical Batch Sizes Blender Batch Size lbsMixer and Dump Setup Weigh Hopper Dump Time Re-Mix TimerWeigh Hopper Dump Delay Time Mixer Dump Time Alarm FlagsWeigh Hopper Dump Cycle Calibration Error Typical PLC Battery Low Alarm Screen Feeder Clean Out Recipe Book Tree Diagram in -5 of this manualLoad a Saved Recipe from the Book Display Recipe ContentsSave Running Recipe to the Book Color Changes Erase Recipe or Entire BookTypical Inventory Shutdown Operator Screen Shut-downSample Preventative Maintenance Schedule Preventative Maintenance ScheduleInternal Components of the Control Panel Preventative MaintenanceCorrective Maintenance ElectricalOutput Signals from Programmable Controller Input Signals to Programmable ControllerIntroduction TroubleshootingProblem Corrective action Problem Corrective action Warranty will be voided Service Department Warranty Liabilities WarrantyWarranty Specifications Warranty RestrictionsCustomer Responsibilities Technical SpecificationsEquipment Specifications 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 ListingProgrammable Settings Addendum Service Supervisor InformationPasswords Metering Test Screen Factory Setup MenuAdvanced Weight Options 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 Contract Department Service Department Sales DepartmentTechnical Assistance Parts Department
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882.00207.00 specifications

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