Mitsubishi Electric A173UHCPU Programming Manual page 333

APPENDICES
Control Mode
Error
Code
900
901
(5) System errors (900 to 999)
Table 2.7 System Error List (900 to 999)
• When the servo amplifier power is switched
ON, the motor type set in the "system
settings" differs from the motor type actually
installed.
(Checked only when using MR-J2S-B/
MR-J2-B)
• When the servo amplifier power is switched
ON, the motor travel value while the power
was OFF is found to have exceeded the
"Power of Allowed Traveling Points" setting
made in the system settings.
Error Cause
Processing
Further
operation is
impossible.
APP − 16
Error
Corrective Action
• Correct the motor type setting in the
system settings.
• Check the position.
Check the encoder battery.