Troubleshooting - Omron R88M-W60010T User Manual

Troubleshooting

5-3 Troubleshooting
If an error occurs in the machinery, check the type of error using the alarm indicators
and operation status, verify the cause, and take appropriate countermeasures.
5-3-1 Error Diagnosis Using Alarm Display
Display Error
Parameter check-
a.020
sum error 1
Parameter format
a.021
error 1
System parameter
a.022
checksum error 1
a.023 Parameter pass-
word error 1
5-12
Status when
error occurs
Occurs when the • The control voltage drops
control circuit
to a range of 30 to 60 V
power supply is
AC.
turned ON.
• The control circuit power
supply was interrupted
during parameter setting.
• The upper limit for the
number of parameter
writes was exceeded
(e.g., parameters were
changed by the host
device with every scan).
• The Servo Driver
EEPROM and peripheral
circuits are defective.
Occurs when • The Servo Driver soft-
attempting to
ware is too old for the
power up again
current parameters.
after a parameter
is written using the
parameter copy
function.
Occurs when the • The control voltage drops
control circuit
to a range of 30 to 60 V
power supply is
AC.
turned ON.
Occurs when the • The Servo Driver board is
control circuit
defective.
power supply is
turned ON.
Cause of error
• Correct the power supply
and initialize the parame-
ters.
• A constant was input
again after parameter ini-
tialization processing.
• Replace the Servo
Driver.
(Correct the parameter
writing method.)
• Replace the Servo
Driver.
• Replace the Servo
Driver.
• Write only parameters
that are supported by the
software version of the
Servo Driver.
• Correct the power supply
and initialize the parame-
ters.
• Replace the Servo
Driver.
• Replace the Servo
Driver.
Chapter 5
Countermeasures