8 - 9
8. TROUBLESHOOTING
Alarm No.: A.19
Name: Memory error 3 (Flash ROM)
Description
Driver internal part (Flash-ROM) is faulty.
Detailed
display
Detailed
Name
Cause
Checking method
Result
Action
19.1
Flash-ROM
error1
1) Flash-ROM fault
Remove all cables
except for the control
circuit power supply
and check if the alarm
occurs.
Alarm occurs.
Replace the driver.
19.2
Flash-ROM
error2
1) Flash-ROM fault
Execute the checking methods mentioned in the alarm display "19.1".
Alarm No.: A.1A
Name: Motor combination error
Description
Incorrect combination of driver and servo motor.
Detailed
display
Detailed
Name
Cause
Checking method
Result
Action
1A.1
Motor
combination
error
1) Incorrect combination of
driver and servo motor is
connected.
Check the model of the
servo motor and the
combination with the
driver.
Incorrect
combination.
Use correct combination.
Alarm No.: A.1C
Name: Software combination error
Description
Software checksum error
Detailed
display
Detailed
Name
Cause
Checking method
Result
Action
1C.1
Software
combination
error
1) Flash-ROM fault
Remove all cables
except for the control
circuit power supply
and check if the alarm
occurs.
Alarm occurs.
Replace the driver.
Alarm No.: A.1E
Name: Encoder initial communication error 2
Description
Faulty parts in the encoder
Detailed
display
Detailed
Name
Cause
Checking method
Result
Action
1E.1
Encoder
fault
1) Encoder fault
Check if alarm occurs
after replacing the
servo motor.
Alarm does not
occur.
Replace the servo motor.
Alarm occurs.
Check 2).
2) Fault in the surrounding
environment
Check the noise, the
ambient temperature,
etc.
An error is found.
Take the appropriate
measures according to the
cause.
Alarm No.: A.1F
Name: Encoder initial communication error 3
Description
Incompatible encoder is connected.
Detailed
display
Detailed
Name
Cause
Checking method
Result
Action
1F.1
Incompatible
encoder
1) Incompatible servo motor
(encoder) is connected
with the driver.
Check the model of
servo motor.
Servo motor is
incompatible.
Replace the servo motor.