8119 Power stage short-circuit / ground fault

Description

Refer to Diagnostic class (standard): 3

Device reactions

Default reaction

Minimum reaction

Drive

AD

AD

Power supply

-

-

  • The motor and motor lines are verified for short circuits (phase short circuit).

  • An MH3 motor indicating a diagnostic message 8122 Shutdown due to velocity limit can also provoke this diagnostic message (8119 Power stage short-circuit / ground fault).

Cause

Solution

Detected wiring error: Short circuit in motor cable.

Replace the motor cable.

Detected hardware error: Short circuit in the motor (phase to phase or phase to housing).

Replace the motor.

Detected hardware error: Power stage in servo drive inoperable.

Replace the servo drive.