Kollmorgen AKD PDMM series, User Manual

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AKD PDMM User Guide | 16 Troubleshooting the AKD PDMM
16 Troubleshooting the AKD PDMM
Drive problems occur for a variety of reasons, depending on the conditions in your installation. The causes
of faults in multi-axis systems can be especially complex. If you cannot resolve a fault or other issue
using the troubleshooting guidance presented below, customer support can give you further assistance.
Problem Possible Causes Remedy
HMI message:
Communication fault
l
wrong cable used, cable plugged into
wrong position on drive or PC
l
wrong PC interface selected
l
plug cable into the correct sockets
on the drive and PC
l
select correct interface
Motor does not rotate
l
drive not enabled
l
software enable not set
l
break in setpoint cable
l
motor phases swapped
l
brake not released
l
drive is mechanically blocked
l
motor pole no. set incorrectly
l
feedback set up incorrectly
l
apply ENABLE signal
l
set software enable
l
check setpoint cable
l
correct motor phase sequence
l
check brake control
l
check mechanism
l
set motor pole no.
l
set up feedback correctly
Motor oscillates
l
gain is too high (speed controller)
l
feedback cable shielding broken
l
AGND not wired up
l
reduce VL.KP (speed controller)
l
replace feedback cable
l
join AGND to CNC-GND
Drive reports
following error
l
Irms or Ipeak set too low
l
current or velocity limits apply
l
accel/decel ramp is too long
l
verify motor/drive sizing
l
verify that IL.LIMITN/P,VL.LI-
MITN/P are not limiting the drive
l
reduce DRV.ACC/DRV.DEC
Motor overheating
l
motor operating above its rating
l
motor current settings incorrect
l
verify motor/drive sizing
l
verify motor continuous and peak cur-
rent values are set correctly
Drive too soft
l
Kp (speed controller) too low
l
Ki (speed controller) too low
l
filters set too high
l
increase VL.KP (speed controller)
l
increase VL.KI (speed controller)
l
refer to documentation regarding
reducing filtering (VL.AR*)
Drive runs roughly
l
Kp (speed controller) too high
l
Ki (speed controller) too high
l
filters set too low
l
reduce VL.KP (speed controller)
l
reduce VL.KI (speed controller)
l
refer to documentation regarding
increasing filtering (VL.AR*)
During the instal-
lation, a dialog box
saying “Please wait
while the installer fin-
ishes determining
your disk space
requirements”
appears and never dis-
appears.
l
MSI installer issue.
l
Harddisk space not sufficient
l
Cancel the installation. Relaunch the
installer (you may need to try several
times, the problem is random).
l
Make sure that you have enough
disk space on your hard disk
(~500MB to allow Windows .NET
update if necessary), if not make
some space.
Kollmorgen™ | December 2012 156