13 Diagnostics
13.2 Check Error Code
273
FX
3U
-20SSC-H Positioning Block User's Manual
11
Buffer
M
e
m
o
ry
12
Pr
ogr
am
Exam
ple
13
D
iagnostics
A
List
of
Par
a
m
e
ter
s and
Da
ta
B
V
e
rs
ion
Infor
m
at
ion
Servo amplifier
Error code, error content and action are given for the MR-J3- B(S).
Parentheses ( ) in the error code column indicate the LED display of the MR-J3- B(S).
→
For the MR-J3W- B, refer to the MR-J3W- B Instruction Manual
→
For details on how to check errors and actions, refer to the manual of the servo amplifier to be connected.
2010
(10)
Undervoltage
•
MR-J3- B:
Power supply voltage dropped to 160VAC or less
•
MR-J3- B1:
Power supply voltage dropped to 83VAC or less
•
MR-J3- B4:
Power supply voltage dropped to 280VAC or less
Review the power supply
2012
(12)
Memory error 1 (RAM)
RAM, memory fault (in servo amplifier)
The servo amplifier must be repaired. Consult your
local Mitsubishi Electric representative.
2013
(13)
This error occurs depending on the order with which
the peripheral devices are powered OFF.
Make sure to Power-OFF the 20SSC-H and the servo
amplifier at the same time or Power-OFF the servo
amplifier before the 20SSC-H.
The direction above does not apply to products
manufactured after June 2006.
Clock error
•
Faulty board
•
Clock error transmitted from 20SSC-H
The servo amplifier or 20SSC-H must be repaired.
Consult your local Mitsubishi Electric representative.
2014
(14)
CPU watchdog error
•
Servo amplifier hardware error
The servo amplifier must be repaired. Consult your
local Mitsubishi Electric representative.
2015
(15)
Memory error 2 (EEPROM)
•
EEPROM error (in servo amplifier)
•
The EEPROM write count exceeds 100,000
operations.
2016
(16)
Encoder error 1 (after power-on)
•
Communication error occurred between sensor
and servo amplifier.
•
Connect correctly.
•
Change the servo motor.
•
Repair or change the cable.
•
Correct the setting of the 4th digit of parameter
No. PC04.
2017
(17)
Board error
•
CPU/part fault
The servo amplifier must be repaired. Consult your
local Mitsubishi Electric representative.
2019
(19)
Memory error 3 (Flash ROM)
•
ROM memory fault
2020
(20)
Encoder error 2 (during runtime)
•
Communication error occurred between sensor
and servo amplifier.
•
Connect correctly.
•
Change the servo motor.
•
Repair or change the cable.
2021
(21)
Encoder error 3 (during runtime)
Error occurred in encoder.
Change the servo motor.
2024
(24)
Main circuit error
•
Ground fault occurred at the servo motor power
(U, V and W phases) of the servo amplifier.
•
Correct the wiring.
•
Change the cable.
•
Change the servo amplifier.
2025
(25)
Absolute position erase
•
Absolute position data in error
•
Power was switched ON for the first time in the
absolute position detection system.
•
After leaving the alarm
occurring for a few minutes,
switch power OFF,
then ON again.
Always create the home position setting again.
•
Change the battery.
Always set the home position again.
2030
(30)
Regenerative alarm
•
The permissible regenerative power of the built-
in regenerative brake resistor or regenerative
brake option is exceeded.
•
Regenerative transistor fault
•
Correct the setting of the regenerative brake
option (servo parameter).
→
Refer to Subsection 11.2.1
•
Correctly connect the built-in regenerative brake
resistor or regenerative brake option.
•
High-duty operation or continuous regenerating
operation to exceed the permissible regenerative
power of the regenerative brake option.
-
Reduce the frequency of positioning.
-
Change the regenerative brake option to the
one with a larger capacity.
-
Reduce the load.
•
Review the power supply
•
Change the servo amplifier or regenerative brake
option.
Error category
Error
Code
(decimal)
Error Content
Action