HENNESSY INDUSTRIES COATS 950 User Manual

P.O. Box 3002, 1601 J. P. Hennessy Drive, LaVergne, TN USA 37086 615/641-7533 800/688-6359 Manual Part: 9111123 03
HENNESSY INDUSTRIES INC. Manufacturer of AMMCO
®
, COATS
®
and BADA
®
Automotive Service Equipment and Tools. Revision: 11/05
Service Manual and
Troubleshooting Guide
950/1025/1050/1055
950 ProRacer
Computer Wheel Balancers
®

HENNESSY INDUSTRIES COATS 950 Specifications

General

Brand	HENNESSY INDUSTRIES
Model	COATS 950
Category	Wheel Balancers
Language	English

Summary

Introduction, Safety, and Initial Checks

Calibration Procedures

Weight Sensor, A&D Arm, and Stop-On-Top Calibration

Guides for calibrating weight sensors, A&D arm, and stop-on-top feature.

Error and Function Codes

Error Code Explanations

Troubleshooting Common Issues

Fan Motor, Accuracy, Rotational, Repeatability Problems

Diagnosing issues with fan motor, accuracy, rotation, and repeatability.

Display, Cycle, and Brake Issues

Troubleshooting display blankness, cycle failures, and brake problems.

A&D Arm and System Troubleshooting

A&D Arm and Brake Problem Diagnosis

Steps for diagnosing brake failure and A&D arm issues.

Piezo Output Test

Diagnosing with Piezo Output Test

Major Component Replacements

A & D Arm Repair Procedures

Wiring Diagrams: 950 Models

950 Pro Racer and Contactor Wiring

Wiring Diagrams: 1050 Contactor Style

1050 Contactor Style Wiring Diagram

Solid State and Switch Information

1050 Motor Controller Wiring Diagrams

1050 Controller/Magnetic Switch Wiring

Solid State Model Wiring Diagram

950/1025/1050 Solid State Wiring

Motor Controller Test Box Usage

Using the Motor Controller Test Box #8112708

Guide for using the diagnostic tool for motor controllers.

Solid State Display Troubleshooting

Display Not Lighting (Solid State Model)

Steps for a blank display on solid state models.

Solid State Cycle and Brake Troubleshooting

Balancer Not Cycling (Solid State)

Troubleshooting for balancers not cycling in solid state models.

Solid State Brake Troubleshooting

Balancer Not Braking (Solid State)

PCB Troubleshooting and Testing

PCB Checklist and Diode/IC Tests

Procedures for checking PCB defects, diodes, and ICs.