Mitsubishi A1SD75M3 User Manual page 627

14 TROUBLESHOOTING
Relevant buffer memory
address
Axis 1 Axis 2 Axis 3
Check for disconnection of the cable
connector.
Check for an open cable, etc.
Change the unit.
Check for disconnection of the terminal
connector.
Refer to section "5.2.8
1. Check if dirt, etc. stuck on the card.
Servo parameters for MR-
2. Re-set the parameters.
J-B".
Check if the servomotor is operated by
switching the power ON/OFF.
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.
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.
• Check the ambient temperature of the
servomotor (0 to +40°C).
• Check if the servomotor is overheated by a
nearby furnace or like.
Change the servomotor.
Check if the motor cooling fan is rotating.
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.
Check the connection of U, V, W.
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.
Refer to the error code 2050-5.
Checking method
14 - 39
Remedy
Connect correctly.
Change the cable.
Change the unit.
Connect correctly.
1. Remove the dirt on the card and re-set.
2. Change the card and re-set.
Change the unit.
Reconsider the operating method.
Improve cooling.
1. Reduce the load.
2. Increase the capacity.
Operate at the ambient temperature of 0 to +40°C.
Change the servomotor.
Change the servomotor.
1. Reconsider the operation pattern.
2. Change the limit switch.
Connect correctly.
1. Change the cable.
2. Change the servomotor.
Change the unit.
MELSEC-A