Schneider Electric ALTIVAR 58 TRX Guía de instalación descargar pdf (Pagina 96)

Chapter 3—Diagnostics and Troubleshooting VVDED397047USR6/03

Using Fault Codes and Messages to Solve Problems 06/2003

In certain cases, if automatic restart has been enabled, the drive

controller can be automatically restarted after the cause of the fault

has been corrected. See page 85.

Using Fault Codes and Messages to Solve Problems

The fault messages displayed on the keypad display can be used to

troubleshoot problems. The fault messages can be divided into three

categories:

• Protective faults: These faults are displayed when the drive

controller detects conditions that, if left uncorrected, may result in

damage to the drive controller and/or motor. The drive controller

shuts down to prevent further damage from occurring.

• Drive faults: These faults are displayed when a problem is

detected in the drive controller.

• Process faults: These faults are displayed when a process

feedback or communication signal used by the drive controller is

interrupted.

Maintenance

Read the safety statements on page 97 before proceeding with any

maintenance or troubleshooting procedures.

Table 25: Fault Messages

Protective Faults Drive Faults Process Faults

Input phase loss Precharge fault Loss of 4–20 mA signal

Undervoltage EEPROM fault Loss of RS-485

Overvoltage Internal fault External fault

Drive overheating Internal communication fault Speed feedback fault

Motor overload Power rating error Communication network fault

Overbraking Option error

Motor phase loss Option removed

Overcurrent EEPROM checks

Motor short circuit

Motor overheating

Thermal sensor fault

Overspeed

Ramp not followed

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Schneider Electric ALTIVAR 58 TRX Guía de instalación Pagina 96