Mitsubishi A1SD75M3

14 - 39
MELSEC-A
14 TROUBLESHOOTING
Relevant buffer memory
address
Axis 1 Axis 2 Axis 3
Checking method Remedy
Check for disconnection of the cable
connector.
Connect correctly.
Check for an open cable, etc. Change the cable.
Change the unit. Change the unit.
Check for disconnection of the terminal
connector.
Connect correctly.
Refer to section "5.2.8
Servo parameters for MR-
J-B".
1. Check if dirt, etc. stuck on the card.
2. Re-set the parameters.
1. Remove the dirt on the card and re-set.
2. Change the card and re-set.
Change the unit.
Check if the servomotor is operated by
switching the power ON/OFF.
Reconsider the operating method.
1. Check if the servo amplifier fan is at a stop
(MR-H150B or more).
2. Check if ventilation is inhibited.
3. Check if temperature in panel is too high (0
to +55°C).
4. Check the effective load factor in the
monitor mode.
Improve cooling.
1. Check the effective load factor in the
monitor mode.
2. Measure the motor input current.
3. Measure a motor temperature rise.
4. Reduce the load.
1. Reduce the load.
2. Increase the capacity.
•
Check the ambient temperature of the
servomotor (0 to +40°C).
•
Check if the servomotor is overheated by a
nearby furnace or like.
Operate at the ambient temperature of 0 to +40°C.
Change the servomotor. Change the servomotor.
Check if the motor cooling fan is rotating. Change the servomotor.
Refer to the error code 2046-1.
Refer to the error code 2031-3.
1. Check if the machine struck something.
2. Check if the stroke end limit switch is
actuated properly.
1. Reconsider the operation pattern.
2. Change the limit switch.
Check the connection of U, V, W. Connect correctly.
1. Change the cable.
2. Change the servomotor.
1. Change the cable.
2. Change the servomotor.
Refer to the error code 2050-2.
Refer to the error code 2050-4.
Refer to the error code 2031-3.
Check if the charge lamp is ON. Change the unit.
Refer to the error code 2050-5.