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Fona MyCrown Mill User Manual

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98 pages
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Service Manual

Table of Contents

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Fona MyCrown Mill Specifications

General IconGeneral
BrandFona
ModelMyCrown Mill
CategoryDental equipment
LanguageEnglish

Summary

Description of the Service Software

Individual Test Points

Details specific diagnostic tests for various unit components and functions.

Media Supply

Verifies the functionality of air, water, and fan systems, including pressure switches.

Light Barriers, Door Switch, Temperature Sensor and Motor Stop Positions

Assesses the safe operation of light barriers, door switch, temperature, and motor stop functions.

Stepping Motor Test

Evaluates stepper motor functionality and aids in the milling machine's break-in process.

DC Motors 'Load/Run-in'

Operates DC motors under sustained load to check performance and running resistance.

DC Motors 'Touch'

Verifies DC motor function in low-speed mode by adjusting them to a specific touch speed.

DC Motors 'Speed'

Checks DC motor operation in high-speed mode by accelerating and measuring performance data.

Force Sensors / Stepping Motors: Rigidity

Examines the static performance of force sensors and the axial rigidity of linear stepping motors.

Troubleshooting

Force Measurement Errors

Flowchart for diagnosing and resolving force measurement issues.

Stepping Motor Does Not Move

Steps to troubleshoot and fix issues where a stepping motor fails to operate.

Spindle Motor Does Not Lock

Guides on diagnosing and resolving problems with the spindle motor's locking mechanism.

Unit Switches Off

Troubleshooting steps for the unit unexpectedly shutting down during operation.

Edges Break Off, Holes or Wide Stripes in Restoration

Addresses milling quality issues and provides diagnostic steps for resolution.

Stepping Motor Cannot Be Controlled

Offers solutions for when stepping motors fail to respond to commands.

Unit Cannot Be Turned On

Diagnostic procedures for issues preventing the unit from powering on.

LAN Communication Problems

Detailed guide for diagnosing and resolving wired network (LAN) connectivity issues.

WLAN Communication Problems

Comprehensive guide for diagnosing and resolving wireless network (WLAN) communication failures.

Repair

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