Diagnostics and Troubleshoot ing CDHD
272 User Manual
r1 8 Se condar y Fe e dback A/ B Line Bre ak
r18 Displayed in sequence
D e finit ion Secondary Feedback A/ B Line Break
Type Fault
Act ive disa ble Yes
M e ssage # FLT 28
Descr iption One of the secondary feedback signals is not connected.
This fault disables the drive.
Action required
Check that all signals from the secondary encoder are
properly connect ed to the drive.
r1 9 Se con da r y En code r 5 V Ov er - Curre nt
r19 Displayed in sequence
D e finit ion Secondary Encoder 5V Over-Current
Type Fault
Act ive disa ble Yes
M e ssage # FLT 31
Descr iption
The preset current limit for current supplied by the drive
on the 5 V secondary encoder supply has been exceeded.
This fault disables the drive.
Action required
The CDHD can source a m aximum current of 250 mA t o
the secondary encoder. Check for a short-circuit at the
encoder. Check if the encoder is drawing more than the
current lim it.