Hardware
manual of the ES-DH series drives
21
Over-current Protection
Over-current protection will be activated when continuous current exceeds the limit or in case of
short circuit between motor coils or between motor coil and ground, and RED LED will blink once
within each periodic time.
Over-voltage Protection
When power supply voltage exceeds the limits, protection will be activated and red LED will blink
twice within each periodic time.
!
Caution
When above protections are active, the motor shaft will be free and the LED will
blink. Reset the drive by repowering it to make it function properly after removing
above problems.
Position Following Error Protection
When the position error exceeds its limit (software configurable, see software manual), position,
protection will be activated and red LED will blink seven times within each periodic time.
