Inovance SV820N Series User Manual

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5 Troubleshooting
5
5.4 Troubleshooting of Warnings
■ E3.601: Home attaining warning
Cause:
When using the homing function, home is not found within the time set in 2005-24h.
Probable Cause ConrmingMethod Corrective Action
1. The home switch
fails.
There is only high-speed searching
and no low-speed searching during the
homing operation.
After high-speed searching of homing,
thedrivekeepsreverselow-speed
searching.
IfahardwareDIisused,checkwhethertheDI
function has been allocated to a DI in group 2003h
andthencheckthewiringoftheDI.Manually
change the DI logic and observe whether the servo
drive receives DI level change in 200B-04h. If the
home signal is Z but it cannot be found at all times,
checktheZsignalstatus.
2. The search time
is too short.
Checkwhetherthetimeforhomingset
in 2005-24h is too short.
Increase 2005-24h.
3. The speed for
searching for
the home switch
signal at high
speed is too
small.
Checkthedistancefromtheinitial
position of homing to the home switch.
Thencheckwhether6099-01h(speed
during search for the home switch) is too
small,resultinginadelayinndingthe
home switch.
Increase 6099-01h.
4. The setting of the
home switch is
improper.
Checkwhetherthelimitsignalsattwo
sides are active simultaneously.
Checkwhetheralimitsignalisactive
simultaneously with the home signal.
Set the position of the hardware switch properly.
■ E3.730: Encoder battery warning
Cause:
The battery voltage of the absolute encoder is lower than 3.0 V.
Probable Cause ConrmingMethod Corrective Action
1. The battery voltage of the absolute
encoder is lower than 3.0 V.
Measure the battery voltage.
Use a new battery of matching
voltage.
■ E3.909: Motor overload warning
Cause:
Accumulative heat of 60Z series 200 W and 400 W motors reaches the warning threshold.
Probable Cause ConrmingMethod Corrective Action
1. Wiring of the motor and
encoder is incorrect or in
poor contact.
Checkthewiringbetweentheservo
drive, servo motor and the encoder
according to the correct wiring diagram.
Connect the wirings according to the
correct wiring diagram.
Preferably use the cables
recommended by Inovance.
When self-made cables are used,
prepare and connect the cables
according to the hardware wiring
instructions.
2. The load is too heavy.
Themotorkeepsoutput
of effective torque higher
than the rated torque for a
continuous operation.
Conrmtheoverloadcharacteristicsof
the servo drive or motor.
Checkwhethertheaverageloadratio
(2008-0Dh) is larger than 100% for a
long time.
Use a servo drive of larger capacity and
matching servo motor.
Reduce the load and increase the
acceleration/deceleration time.

Inovance SV820N Series Specifications

General

Brand	Inovance
Model	SV820N Series
Category	Servo Drives
Language	English