Delta Tau Geo Direct PWM Amplifier Installationshandbuch PDF herunterladen (Seite 51)

Geo Direct PWM Amplifier

Troubleshooting 51

Display

Code

Error / Fault

Description

Troubleshooting

Notes

GLOBAL

Normal Mode

Operation

 No faults reported

Over

Voltage

 The bus voltage has exceeded the permissible threshold:

420 VAC for GPL Drives

820 VAC for GPH Drives

 Make sure that the external shunt is connected properly.

 Make sure that the AC input is not excessively over spec.

Under

Voltage

 No bus voltage input.

 Bus voltage has dropped below the permissible threshold (97 VAC).

Shunt

Regulator

 Shunt resistor leads or pins shorted.

 Internal shunt regulator resistor failure.

Ground

Short

 Motor leads shorted.

 Shunt resistor leads or pins shorted.

Gate

Driver

 Motor leads shorted

 Shunt leads or pins shorted

 Gate driver (internal) failure.

Line

Monitor

 AC line voltage is low or not present.

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Delta Tau Geo Direct PWM Amplifier Installationshandbuch Seite 51