Mitsubishi Electronics 882.00207.00 specifications Problem Corrective action

Page 68

 

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 is 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. However, 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.

 

 

 

 

882.00207.00

Chapter 6: Troubleshooting

67 of 102

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Contents Gravimetric Slide Gate Batch Blender Mitsubishi Controller Parts and Service Department Unpacking and Inspection Event of Shipping DamageIf the Shipment is Not Complete If the Shipment is Not CorrectCredit Returns Warranty ReturnsReturns 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 GlovesOperator Responsibility ResponsibilityGeneral Responsibility Remember Maintenance Responsibility Reporting a Safety DefectAccessories Customer ServiceModels Covered in This Manual General DescriptionEquipment Specifications Controller Features Typical Features and ComponentsMechanical Features System Component Description Supply HoppersSlide Gates Typical Slide Gate Assembly Weigh HopperTypical Weigh Hopper Assembly Mix Chamber Operator Control Panel DisplayController Pushbuttons & Touchscreen Tags Button Function Typical Operator Screens Typical Setup Screens 882.00207.00 Functional Description Optional Components Pneumatic Slide Gate below MixerLow Level Sensors Mezzanine and Floor StandsTake-off Compartments Regrind Auger Metering R.A.M. HopperAdditive Feeder Hopper Safety Features Safety Circuit StandardsSafety Device Lock-Outs 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 EquipmentMachine Mount Mounting ConfigurationsSite Requirements Mezzanine Mount Typical Mezzanine Mounted Batch BlenderFloor Mount Central Blender Typical Floor Mount Central Blender LayoutElectrical Connections Pneumatic ConnectionsStroke Limiters for Metering Gates Initial Set-upMechanical Set-up Weigh Hopper Final Connections Display 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 Quick Start Procedure Start-upGeneral Operation New RecipesOperator Displays Operation ProceduresExisting Recipes Typical Recipe Entry Operator Screen Typical Inventory Display Operator Screen Recipe Entry FormatsQuickset Mode Most common in injection molding Recipe Format MenuExample Calculations of a 5-component blend in Quickset mode Recipe Setup Typical Batch Sizes Blender Batch Size lbs Inventory ShutdownMixer and Dump Setup Weigh Hopper Dump Time Re-Mix TimerWeigh Hopper Dump Delay Time Alarm Flags Weigh Hopper Dump CycleMixer Dump Time Hopper 1-6 Out of MaterialPower Interruption while metering a Batch Max Hopper Weight Exceeded, Check Batch SizeCalibration Error, Clean out Hopper and Check Calibration PLC Battery Low Blender Powered On/OffInventory Cleared Stop ScreenFeeder Clean Out Diagram in -5 of this manual Recipe BookLoad a Saved Recipe from the Book Display Recipe ContentsSave Running Recipe to the Book Erase Recipe or Entire Book Color ChangesShut-down Typical Inventory Shutdown Operator ScreenPreventative Maintenance Schedule Sample Preventative Maintenance SchedulePreventative Maintenance Corrective MaintenanceElectrical Internal Components of the Control PanelInput Signals to Programmable Controller Output Signals from Programmable ControllerTroubleshooting IntroductionProblem Corrective action Problem Corrective action Controller warranty will be voided Problem Corrective action Warranty Warranty SpecificationsWarranty Restrictions Warranty LiabilitiesTechnical Specifications Equipment SpecificationsAnnex 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 KitsProgrammable Settings Addendum Service Supervisor InformationPasswords Metering Test Screen Factory Setup MenuAdvanced Weight Options Screen Feed Algorithm Options Screen Feed Calibration Options ScreenFeeder Setup Mechanical Options ScreenCustomer Setup Menu UnitsAlarm Log Typical Alarm Flags & Feeder Setup ScreenFactory Default Setup Parameters Report SetupLoadcell 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 ExplanationRecording the Targets VS. Actuals for Each Batch Service Department Sales Department Technical AssistanceParts Department Contract Department882.00207.00 Appendix 102
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882.00207.00 specifications

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