Instruction manual
9.
TROUBLESHOOTING
Display
1
Name
.A.
8E
(Serial
lcommunication
error
Definition
Serial
communication
error occurred
between servo
amplifier and
communication
device (e.g. persona
computer).
CPU, parts faulty
Cause
Action
3
~~
L.
Communication cable fault
(Open cable or short clrcuit)
?.
Communication device (e.g. Change the communication device (e.g.
personal computer) faulty personal computer).
7ault of parts in servo amplifier Change servo amplifier.
Chechg
method
1
Alarm
(88%)
occurs
if
power is
switched
on
after
connectors
CNlq
CNlB, CNP2, CNP3
are
9.2.3
Remedies
for
Warnings
If
A.E1
(overload warning) occurs, operation may be continued but an alarm may take place or proper
operation may not be performed.
If
another warning
(A.E6
or
A.E9)
occurs, the servo amphiier wdl go
into
a servo-off status. Eliminate the cause of the warning accorhg to
ths
section. Use the optional Servo
Configuration software
to
refer
to
the cause
of
warning.
Display
I
Name
A.
El
loverload IThere is a possibility that lhad increased
to
85%
or more of IRefer
to
A.
50,
A.
51.
Cause
I
Action
Definition
warning
overload alarm
1
or
2
occurrence level.
overload alarm
1
or
2
may
occur.
Cause, checking method
Refer to
A
50,
51.
A.
E6
Ensure safety and deactivate
External forced stop was made valid.
EMG-SG are open. Servo forced stop
(EMG-SG opened.)
forced stop.
A.
E9
Switch
on
main circuit power.
Servo was switched
on
Main circuit
off
warnmg
with main circuit power
9-
11