5 Troubleshooting
5
- 65 -
Cause Conrming Methods Corrective Action
6. Relative to running
condition, H0F-08 (full
closed-loop position
deviation too large
threshold) is too small.
Check whether full closed-loop position deviation
too large threshold (H0F-08) is too small.
Increase the setting of H0F-08.
7. The servo drive/
motor is faulty.
Monitor running curve on the drive debugging
platform of Inovance:
Position reference, position feedback, speed
reference, torque reference
If position reference is not 0, but
position feedback is always 0,
replace servo drive/motor.
Er.B03: Electronic gear ratio setting exceeding limit
Cause Conrming Methods Corrective Action
Electronic gear ratio
setting exceeds
preceding limit.
If H05-02 = 0, check the ratios of H05-07/H05-09 and
H05-11/H05-13
If H05-02 > 0, check the ratios of encoder resolution/
H05-02, H05-07/H05-09 and H05-11/H05-13.
The ratios of encoder resolution
/H05-02,
H05-07/H05-09, and H05-11/
H05-13 must be within preceding
limit.
Parameter
modication sequence
is unreasonable.
When modifying electronic gear ration related
parameters H05-02, H05-07/H05-09, and H05-11/
H05-13, modifying sequence is unreasonable, which
results in electronic gear ratio exceeding limit during
calculation of electronic gear ratio.
Reset the fault or re-power on
the system.
Er.B04: Fully closed-loop function parameter setting error
Cause Conrming Methods Corrective Action
In full closed-loop mode, position
reference source is internal position
reference but internal encoder
feedback and external encoder
feedback is switched over.
Check whether H0F-00 = 2.
Check whether position reference
source is internal position reference:
multi-position and position change
on y.
In full closed-loop mode, when
position reference source is internal
position reference, only external
encoder feedback can be used.
That is, H0F-00 can be set to 1
only.
Er.D03: CAN communication interrupted
Cause Conrming Methods Corrective Action
CAN
communication is
interrupted.
The slave station
is ofine.
Check the CAN communication card indicator status of the
master PLC.
The ERR indicator of master PLC ashes at frequency 1 Hz
and the ERR indicator of some slave PLCs keeps ON for a
long period.
(When using PLC commissioning software, you can monitor
D78xx in component monitoring table of the master. xx
indicates station No. in decimal. If corresponding D78xx of
some congured 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 ofine.
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 commissioning software, you can monitor
D78xx in the component monitoring table of the master. xx
indicates station No. in decimal. If corresponding D78xx of
all congured stations is 5, it indicates that a fault occurs on
the master PLC.)
Check wirings of the master
PLC.