C
L E A R
P
A T H
M C / S D
U
S E R
M
A N U A L
R
E V
.
3 . 0 9
1 5 8
T
EKNIC
,
I
NC
. T
EL
.
(585)
784-7454
LED Activity
Exception
Type
Affect on
Motion
Servo
Status
How to
Clear
Exception
Status or Exception
Message Reported in UI
Green/Yellow
Travel Limits Violated (lockdown)
alternating
Lockdown
Disallows motion
Servo on
Toggle Enable
input
Commanded position is on the
wrong side of the home position.
Green/Yellow
Travel Limits Violated (lockdown)
alternating
Lockdown
Disallows motion
Servo on
Toggle Enable
input
Commanded position is beyond the
Max Travel from Home position as
specified in Homing Setup.
Green/Yellow
Motor Enable Conflict
alternating
Lockdown
Disallows motion
Servo on
Toggle Enable
input
The hardware inputs did not match
the active software override inputs
when the motor was enabled via the
hardware enable line.
Travel Limits Violated (warning)
Green – 2 blinks
Warning
Allows motion (if
cause is no longer
present)
Servo on
Auto-clears at
start of next
move if cause
is no longer
present
Commanded position is on the
wrong side of the home position.
Travel Limits Violated (warning)
Green – 2 blinks
Warning
Allows motion (if
cause is no longer
present)
Servo on
Auto-clears at
start of next
move if cause
is no longer
present
Commanded position is beyond the
Max Travel from Home position as
specified in Homing Setup.
Move Buffer Underrun
Green – 2 blinks
Warning
Allows motion (if
cause is no longer
present)
Servo on
Auto-clears at
start of next
move if cause
is no longer
present
Possible causes: move increments
too small or sent too slowly.
Torque Saturation
Green - 3 blinks
Alert
Allows motion
Servo on
Auto-clears
when cause is
no longer
present
Power supply may be insufficient for
application; Torque Limit may be set
too low for command. Try lowering
velocity and/or acceleration.
Green - 3 blinks
Alert
Allows motion
Servo on
Auto-clears
when cause is
no longer
present
Voltage Saturation
Green - 3 blinks
Alert
Allows motion
Servo on
Auto-clears
when cause is
no longer
present
Over Speed
Over Temp
Green - 3 blinks
Alert
Allows motion
Servo on
Auto-clears
when cause is
no longer
present
Internal electronics above shutdown
threshold. Add fan.
Power Event Detected (warning)
Green - 3 blinks
Alert
Allows motion
Servo on
Auto-clears
when cause is
no longer
present
Probable cause: Dropped AC phase;
Bus volts under operating voltage.
Motor Has Failed
Red Toggle
Motor
Failure
Disallows Motion
Servo off
Not clearable
(typically)
Return to Teknic for repair or
replacement.
If ClearPath shows no LED activity
During operation, if ClearPath DC bus voltage droops below approximately 18VDC, the following
will occur:
•
ClearPath will go into a shutdown state.
•
The LED will turn off. Note: ClearPath will continue to communicate if voltage remains high
enough.