Kollmorgen MMC Smart Drive Series, Hardware Manual

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Kollmorgen - June 2014 323
MMC Smart Drive Hardware Manual
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MAINTENANCE AND TROUBLESHOOTING
35
Drive Power Mod-
ule Fault The drive’s power section
detects a fault condition.
Verify AC power is applied to
drive.
Contact Kollmorgen.
36
Drive Setup Data
Fault The configuration data
has been corrupted.
Re-download Drive Setup Data.
37 Endat/BiSS Fault
Endat/BiSS encoder did
not respond to serial mes-
sage
Endat/BiSS encoder CRC
error
Endat/BiSS encoder
counts/rev does not
match the entered value
Hardware does not match
the selected device
Use DRSETFLT to reset fault in-
dications
Make sure all cable connections
are secure and properly
grounded
41 Drive Relay Fault
The drive’s power section
relay did not function
properly during power-up. Check the drive system connce-
tions. Adjust as necessary.
Contact Kollmorgen.
42
Drive PM2 Over
Current Fault
Current feedback ex-
ceeds the drive over cur-
rent fault limit.
Adjust the over current fault limit.
Output short circuit.
Remove all power and motor
connections, and perform a con-
tinuity check from the DC bus to
the U, V, and W motor outputs. If
a continuity exists, check for wire
fibers between terminals, con-
tact Kollmorgen.
Motor cabling wires short-
ed together.
Disconnect motor power cables
from the drive. If faults stop, re-
place cable.
Internal motor winding
short circuit.
Disconnect motor power cables
from the motor. If the motor is dif-
ficult to turn by hand, it may need
to be replaced.
43
Drive PM Over
Temperature Fault
Drive power module tem-
perature exceeds the
drive power module tem-
perature fault limit
Check to be sure that the drive is
being operated within the contin-
uous power rating.
Check for adequate enclosure
ventilation. Ensure cooling air
flow is adequate in space around
the drive.
Check for clogged vents or de-
fective fan.
Contact Kollmorgen.
Table 11-2: Drive Diagnostic LED Codes (Continued)
Code Description Possible Causes Possible Remedies