Kollmorgen MMC Smart Drive

258 Kollmorgen - December 2011
MMC Smart Drive Hardware Manual - MAINTENANCE AND TROUBLESHOOTING
19
Position Error Too Large
•If ExtFaults = Step size over flow then
GearOut/GearIn is too large.
•If ExtFaults = Position error over flow
then the following error (PosErr), has
exceeded ±128 revs.
•Check if the motor is stalling or if the
commanded speed is higher than the
motor can achieve at the present bus
voltage.
20
Option Card Fault
•If ExtFaults is AuxFBFault, then the
AuxFB device is in error.
•Check the AuxFB faults:
AuxFBEnDatFlt, AuxFBPTCFlt or
AuxFBSCDFlt.
•Check to make sure that the drive is
set up for the correct feedback device
and that the device is functioning
correctly. If ExtFaults is “No
ExtendedFault,” then this was a fault
induced by the controller, such as
SynqLost.
Table 10-3: Drive Status LED Fault Codes (Continued)
Fault
Code
Fault Possible Causes