Kollmorgen - December 2011 249
MMC Smart Drive Hardware Manual - MAINTENANCE AND TROUBLESHOOTING
Table 10-2: Drive Diagnostic LED Codes
Code Description Possible Causes Possible Remedies
Codes 01 through 06 are Warning Codes, and do not disable the Drive
01
Drive Heatsink
Temp. Warning
Drive heatsink tempera-
ture exceeds warning limit
• Lower the ambient
temperature around the drive.
02
Drive Ambient
Temp. Warning
Acceptable ambient tem-
perature limit has been
exceeded warning limit
03
Motor Temp.
Warning (available
only when the mo-
tor contains a ther-
mistor)
Thermistor temperature
has exceeded user de-
fined acceptable limit.
• Reduce acceleration rates.
• Reduce duty cycle (ON/OFF)
of commanded motion.
• Increase time permitted for
motion.
• Use larger drive and motor.
• Check tuning.
04
Motor Calculated
Temp. Warning
(available only
when the motor
does not contain a
thermistor).
Calculated motor temper-
ature has exceeded ac-
ceptable limit
05
Overtravel Plus
Warning
The Overtravel Plus Fault
input is low because the
axis has reached the Plus
Travel Limit.
Move the axis off the Plus Limit
Switch in the negative direction.
06
Overtravel Minus
Warning
The Overtravel Minus
Fault input is low because
the axis has reached the
Minus Travel Limit.
Move the axis off the Minus Limit
Switch in the positive direction.
Codes 11 and higher are Fault Codes, and disable the Drive
11
Drive Memory
Fault
The drive’s non-volatile
memory is not functioning
properly
Upgrade firmware.
Contact Kollmorgen.
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