Sterling 882.00274.00 specifications Additive Feeders Troubleshooting

Page 38

 

Problem

 

Possible cause

 

Corrective action

 

 

 

 

 

 

 

 

 

Field contact jumper (J1) has not

 

Remove jumper and wire the

 

 

 

 

terminals to the processing

 

 

 

been removed. AUTO MODE.

 

 

 

 

 

machine relay.

 

 

 

 

 

 

 

 

Field contact to the processing

 

Check wiring/check the relay on

 

 

 

machine has failed.

 

the processor.

 

Motor will not stop.

 

Motor switch has failed.

 

Replace.

 

 

Field contact to process machine

 

Correct.

 

 

 

 

 

 

 

missing or loose.

 

 

 

 

 

 

 

 

 

Control relay has failed.

 

Replace.

 

 

 

Motor control has failed.

 

Replace.

 

 

 

Optional timer set incorrectly.

 

Reset.

 

 

 

Optional timer has failed.

 

Replace.

 

 

 

Signal from motor speed sensor

 

Secure the sensor connections.

 

 

 

missing.

 

 

Motor runs only at maximum

 

 

 

 

 

Motor control has failed.

 

Replace.

 

speed.

 

Motor speed sensor has failed.

 

Replace.

 

 

 

Motor speed sensor magnet

 

Adjust.

 

 

 

misaligned.

 

 

 

 

 

 

 

 

 

Intermittent signal from motor

 

Secure the sensor connections.

 

 

 

speed sensor.

 

 

Motor speed not constant.

 

 

 

 

 

Motor speed sensor has failed.

 

Replace.

 

 

 

Motor control has failed.

 

Replace.

 

 

 

Material flow problem.

 

Inspect for blockage, etc.

 

Additive is contaminated by

 

Feeder was not cleaned

 

See Section 5-2 on Page 34 for

 

color from previous run.

 

adequately prior to operation.

 

cleanout instructions.

Other service problems or questions can be answered by contacting the Service Department.

Additive Feeders

Chapter 6: Troubleshooting

37 of 50

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Contents SF Series Additive Feeders Parts and Service Department Shipping Information Table of Contents Troubleshooting Safety Symbols Used in this Manual SafetyHow to Use This Manual Wear Safety Glasses and Work Gloves Responsibility General ResponsibilityOperator Responsibility RememberMaintenance Responsibility Reporting a Safety DefectFunctional Description Standard FeaturesMechanical Features Models Covered in This ManualOptions Electrical FeaturesController Features Accessories Fail Safe Operation Safety Devices and InterlocksSafety Circuit Standards Safety Device Lock-Outs Uncrating the Equipment InstallationSupply System Installation Rigging and Placing the Additive FeederControl Relay Connection Main Power ConnectionElectrical Connections Setup Procedures Determining the Desired Feed Rate110 100 Equipment Needed Calibration ProcedureProcedure Examples Observed Feed RatesStarting Up the Additive Feeder Initial Start-upPre-Startup Checks Shutting Down the Additive FeederOperation SwitchesIndicator Lights Start-upCounter Module Timer ModuleUsed as a Cycle Override Safety Timer Elapsed Time Module Set Point #2 Motor Control Bottom Low Level Regrind Feeder with Proximity SwitchDual Setpoint Control Operation 2 Component Applications Extruder Tracking Installation and Setup Extruder Tracking ControlExtruder Tracking Equation Equation Desired Display SettingField Control Programming Motor RPM = 25.2 X Auger RPMProgramming for Follower Operation Programming ModeViewing or Changing the Constant Exiting Programming Mode and Returning to Run Mode Viewing or Changing the Program Minimum SettingViewing or Changing the Program Maximum Setting Program Minimum SettingAdditive Feeder Control Factory Defaults Shutting Down the Additive FeederPhotocopy this page for your maintenance records MaintenancePreventative Maintenance Schedule Preventative Maintenance Material Cleanout/ChangeoverRemoving Auger Assembly Corrective MaintenanceAuger Assembly Changeover Installing Auger AssemblyMotor Brush Replacement Replacement Motor Brush Part NumbersIntroduction TroubleshootingProblem Possible cause Corrective action Additive Feeders Troubleshooting Warranty AppendixOptional Components Technical Specifications Annex B InformationDrawings and Diagrams Additive Feeder Specifications and Overall DimensionsTypical Additive Feeder Controllers SET Point Spare Parts List Exploded Assembly Drawing Parts ListA0541292 Auger Assembly, 1/2 One Component Control Enclosure Parts Identification Two Component Control Enclosure Parts Identification Additive Feeder Safety Tags Safety Tag InformationWarranty Returns Returned Material PolicyAdditive Feeder Identification Serial Number Tag Technical AssistanceWorksheet for Charting Feed Rates Photocopy this page for your records