Replacing Controller Unit - Epson VT Series Maintenance Manual

VT6L Maintenance 18. Controller Unit

18.1 Replacing Controller Unit

■ Make sure that orange colored charge confirmation LED on the DPB turns off
when ejecting the Controller Unit. If operating without tuning off the LED, electric
shock or other serious problems for safety may occur.
WARNING
Maintenance
Controller Unit
parts
Hexagonal wrench
(width across flats: 3 mm)
Tools
Torque wrench
Cross-point screwdriver (No. 2)
The brake is mounted on each joint to prevent the arm from lowering due to its own weight while the Controller
power is OFF or the motor is OFF status. The brake does not work during replacement.
Be careful when performing maintenance work.
134
Charge
confirmation
LED
Name
AC specification
DC specification
DPB Board
Quantity
Standard, Cleanroom model: 2194603
1
Protection model: 2208039
2207771 ( S/N: VT65T02*** only)
1
2216965 (all DC specification models)
For M4 hexagon socket head cap bolts
1
1 For tightening torque control
1
VT series Maintenance Manual Rev.2
Note