5 Troubleshooting
5
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Er.D03: CAN communication interrupted
Cause
Confirming Methods
Corrective Action
CAN
communication is
interrupted.
The slave station
is offline.
Check the CAN communication card indicator status of the
master PLC.
The ERR indicator of master PLC flashes at frequency 1 Hz
and the ERR indicator of some slave PLCs keeps ON for a
long period.
(When using PLC background software, you can monitor
D78xx in component monitoring table of the master. xx
indicates station No. in decimal. If corresponding D78xx of
some configured stations is 5, it indicates that a fault occurs
on the slave PLC).
Check communication cable
connection between the slave
with ERR indicator ON for long
time and master.
Check communication baud
rate (H0C-08) of the slave with
ERR indicator ON for long time
and adjust baud rate the same
as that of the master.
CAN
communication is
interrupted.
The master station
is offline.
Check the CAN communication card indicator status of the
master PLC.
The ERR indicator of all slave PLCs keeps ON for a long
period.
(When using PLC background software, you can monitor
D78xx in the component monitoring table of the master. xx
indicates station No. in decimal. If corresponding D78xx of
all configured stations is 5, it indicates that a fault occurs on
the master PLC.)
Check wirings of the master
PLC.
5.2.2 Troubleshooting of Warnings
Er.110: Setting error of frequency-division pulse output
Cause
Confirming Methods
Corrective Action
The number of
frequency-division
pulses of encoder
does not conform to
the specification.
For incremental encoder, the number of frequency-division
pulses cannot exceed encoder resolution.
Resolution of 20-bit serial incremental encoder is 1048576
P/r.
Resolution of 2500-PPR serial incremental encoder is
10000 P/r.
For absolute encoder, the number of frequency-division
pulses cannot exceed one fourth of encoder resolution.
Reset H05-17 (Encoder
frequency-division pulses)
correctly according to the
specification.
Er.601: Homing timeout
Cause
Confirming Methods
Corrective Action
1. The home
switch fails.
There is only high-speed searching and no
low-speed searching during operation of
returning to home.
After high-speed searching of returning to
home, the drive keeps reverse low-speed
searching.
If hardware DI is used, check whether DI function
FunIN.31: HomeSwitch (home switch) has been
allocated to a DI and then check wiring of the
DI. Make logic of the DI change manually and
observe whether servo drive receives level
change of the DI through H0B-03. If not, wiring
of the DI is incorrect. If yes, a fault occurs during
operation of returning to home. Please use the
returning to home function correctly.
If a virtual DI is used, check whether VDI is used
correctly according to the IS650P User Manual.
2. The search
time is too short.
Check whether time for homing set in H05-
35 is too short.
Increase H05-35.
Summary of Contents for IS650P Series
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