Mitsubishi Electric MELSERVO-JN Series Instruction Manual page 233

8. TROUBLESHOOTING
Alarm No.: A.37 Name: Parameter error
Description
Detailed Detailed
display Name
37.3 Point table 1) Point table is set outside
setting range
error
2) EEP-ROM fault
3) Servo amplifier fault
Alarm No.: A.39 Name: Program error
Description
Detailed Detailed
display Name
39.1 Program 1) A program command was
error
2) EEP-ROM fault by the
3) Servo amplifier fault
39.2 Command 1) An argument of program
argument
range error
2) EEP-ROM fault by the
3) Servo amplifier fault
39.3 Incompatible 1) A program command is
command
2) EEP-ROM fault by the
3) Servo amplifier fault
Parameter setting is incorrect.
Cause
the setting range.
causes the change in the
point table setting.
The program is incorrect.
Cause
rewritten.
exceeded number of
program write times
caused the program to be
rewritten.
command is out of the
range.
exceeded number of
program write times
caused the program to be
rewritten.
incompatible.
exceeded number of
program write times
caused the program to be
rewritten.
Checking method
Check the set value Outside the setting
according to the point range.
table error No.
Within the setting
range.
Write the point table set Abnormal value is
value within the normal written.
range, and check if the
Normal value is
value is written
written.
correctly.
Check if the alarm Alarm does not
occurs after replacing occur.
the servo amplifier.
Checking method
Check the program. The program is
different.
The program is
correct.
Write a correct Incorrect program is
program, and check if written.
the program is written
Correct program is
correctly.
written.
Check if the alarm Alarm does not
occurs after replacing occur.
the servo amplifier.
Check the command Outside the
argument according to argument range
the step No.
Within the argument
(Refer to section 5.3.1.)
range
Write a correct Incorrect program is
program, and check if written.
the program is written
Correct program is
correctly.
written.
Check if the alarm Alarm does not
occurs after replacing occur.
the servo amplifier.
Check the command Incompatible
according to the step command
No.
Compatible
(Refer to section 5.3.1.)
command
Write a correct Incorrect program is
program, and check if written.
the program is written
Correct program is
correctly.
written.
Check if the alarm Alarm does not
occurs after replacing occur.
the servo amplifier.
8 - 16
Result Action
Correct the value within
the setting range.
Check 2).
Replace the servo
amplifier.
Check 3).
Replace the servo
amplifier.
Result Action
Correct the program.
Check 2).
Replace the servo
amplifier.
Check 3).
Replace the servo
amplifier.
Correct the argument
within the range.
Check 2).
Replace the servo
amplifier.
Check 3).
Replace the servo
amplifier.
Correct the command to
be compatible.
Check 2).
Replace the servo
amplifier.
Check 3).
Replace the servo
amplifier.