Epson/Seiko SRC-320 ABS, Manual, Page: 120 / 176

Maintenance 6. AC Servo Driver
106
6.3 AC servo driver replacement
If the AC servo driver is not functioning properly, replace it by following the steps below.
The steps are same for each driver.
„
Only trained personnel should be allowed to perform the following operations.
Trained personnel are those who have taken a robot training course (held by
the dealer) or those who have carefully read the manuals and have equivalent
knowledge or skill.
„
Controller has the capacitors charged high voltage. To avoid an electric
shock, do not touch the dangerous high-voltage parts marked with the orange
label until the orange LED of motor power unit is faded out completely.
When the orange LED is faded out, the high-voltage capacitors are discharged.
Orange LED (M.P)
„
Temperature of AC servo driver unit may rise depending on the operating
condition. Check the surface temperature before handling and use the pro-
tective gloves if necessary.
„
Check the model name and mount it on proper location when replace the AC
servo driver.
1) Turn OFF the controller, pull out the power plug from the power source.
2) Remove the front panel and disconnect the earth line, the connectors X71 and X73 from
the back side of the front panel.
3) Remove the driver’s safety cover by taking out the three set-screws.
Driver safety cover
3)
3)
3)
WARNING
CAUTION