Mitsubishi FX3U-20SSC-H User Manual page 184

FX -20SSC-H Positioning Block User's Manual
3U
Error category
(decimal)
Parentheses ( ) in the error code column indicate the LED display on the servo amplifier.
Servo amplifier
178
Error
Code Error Content
→For details on how to check errors and actions, refer to the manual of the servo amplifier to be connected.
Undervoltage
• MR-J3- B:
2010
Power supply voltage dropped to 160VAC or less
(10)
• MR-J3- B1:
Power supply voltage dropped to 83VAC or less
2012 Memory error 1 (RAM)
(12) RAM, memory fault (in servo amplifier)
This error occurs depending on the order with which
the peripheral devices are powered OFF.
2013
(13)
Clock error
• Faulty board
• Clock error transmitted from 20SSC-H
2014 CPU watchdog error
(14) • Servo amplifier hardware error
Memory error 2 (EEPROM)
2015 • EEPROM error (in servo amplifier)
(15) • The EEPROM write count exceeds 100,000
operations.
Sensor fault 1 (after power-on)
2016
• Communication error occurred between sensor
(16)
and servo amplifier.
2017 Board error
(17) • CPU/part fault
2019 Memory error 3 (Flash ROM)
(19) • ROM memory fault
Sensor fault 2
2020
• Communication error occurred between sensor
(20)
and servo amplifier.
Main circuit error
2024
• Ground fault occurred at the servo motor power
(24)
(U, V and W phases) of the servo amplifier.
Absolute position erase
2025 • Absolute position data in error
(25) • Power was switched ON for the first time in the
absolute position detection system.
13.2 Check Error Code
Action
Review the power supply
The servo amplifier must be repaired. Consult a
Mitsubishi Electric distributor.
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.
The servo amplifier or 20SSC-H must be repaired.
Consult a Mitsubishi Electric distributor.
The servo amplifier must be repaired. Consult a
Mitsubishi Electric distributor.
• Connect correctly.
• Change the servo motor.
• Repair or change the cable.
• Correct the setting of the 4th digit of parameter
No. PC04.
The servo amplifier must be repaired. Consult a
Mitsubishi Electric distributor.
• Connect correctly.
• Change the servo motor.
• Repair or change the cable.
• Correct the wiring.
• Change the cable.
• Change the servo amplifier.
• 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.
13 Diagnostics