Error Message:

DRUM: Motor current exceeded limit

Applies to:

• All

Service Information:

if the demand current given to the drive amp is more than 100% for longer than DRUM_PEAK_TIMEOUT (2 sec PS3244) and then continues above 2amps (for 12 amp drive) for longer than DRUM_CONT_LIMIT_DURATION (= 10 sec PS3244), then this error is reported.

Generally the pid will time out long befoe this unless a "torque" command was issued.

Check that drum was actually moving or attempting to move, this error is reported based on what the firmware is telling the drum to do, if the motor power is missing then the drum amp wont be providing any current.

Operator Action:

Check for obstructions preventing drum rotation.

Cause:

• no input power to the drum amp motor power input.
• Drum obstruction.

See Also: