Error Message:

DRUM: Hall velocity error - drum rotation blocked or PID gain settings wrong

Applies to:

• All

Service Information:

Check that drum actually did move or attempt to move. Check motor power input to the drum amp. Check if drum cal moves the drum at all. check pid settings: pgh igh & dgh

Operator Action:

Reset machine or cycle power to machine, check for obstructions under the drum or in the drum drive belt.

Cause:

• In Hall mode, if drum is at velocity and the average of the last 3 velocity errors is greater than 50%, then this error is reported.
• Reported during drum init if velocity is in error by more than 20% of DRUM_INIT_VELOCITY (which is 60 rpm)

See Also:

• Other: Troubleshooting information