Alarm
code
Alarm
subcode
Name Description 　Check point and remedy reference
17 Hex
(OL1)
18 Hex
(OL2)
(0Ln)
0000 Hex
Motor over-
load 1
Motor over-
load 2
(1) The thermal char-
acteristics of the
electronics and the
motor overload char-
acteristics do not
match
Check motor characteristics.
→ Review object (3004Hex-0BHex*,
3004Hex-0DHex*) data.
→ Use an external thermal relay.
(2) Inappropriate
electronics thermal
operating level
Recheck motor allowable continuous current.
→ Reconsider and change object
(3004Hex-0CHex*) data.
(3) Short accelera-
tion/deceleration time
Recalculate acceleration/deceleration torque
and acceleration/deceleration time required
from the moment of inertia of the load and
acceleration/deceleration time.
→ Lengthen the acceleration/deceleration
time (3004Hex-08Hex, 3004Hex-09Hex,
3005Hex-0BHex, 3005Hex-10Hex,
3008Hex-39Hex).
(4) High load Measure the output current.
→ Reduce the load (use the Overload early
warning 2 Level (OL2)
(3005Hex-23Hex), and reduce the load
before an overload occurs.) (During win-
ter
, the load may increase.)
(5) 1st Manual T
or-
que Boost Voltage
(3004Hex-0AHex*)
too high
Check the 3004Hex-0AHex* data, and read-
just so that this does not stall even if data is
lowered.
→
Adjust 3004Hex-0AHex*.
9 Troubleshooting
9-20
M1 Series EtherCAT Type User’s Manual (I670)
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