Lockout; Tagout - Epson RC420 Manual

Maintenance 1. Safety Precautions on Maintenance
■ Make sure that the power rating (wattage) of a new Motor Driver module is
correct. Using a Motor Driver module with improper power rating (wattage) in
the Controller may not only cause improper function of the robot system but also
damage to the system.
■ The serial number of the Manipulator that should be connected is indicated on
the Connection Check Label on the Controller. Connect the Controller and the
CAUTION
Manipulator correctly.
Manipulator may cause not only improper function of the robot system but also
serious safety problems.
NOTE
Before performing maintenance on the Controller, all the data must be copied as a backup.
The details of data backup/restore are described in the Maintenance 2.5Backup of Data

1.2 Lockout

The lockout is a method to prevent any one from turning ON the robot system by mistake
while someone else is within the safeguarded area for maintenance or repair.
When the robot system is locked out, the POWER switch of the Controller is locked in the
OFF position. The procedure for lockout is shown below.
(1) Turn OFF the Controller.
(2) Tilt the lockout metal hasp in the direction of the arrow indicated below.
(3) Close the front door while the metal hasp comes out as shown below.

1.3 Tagout

The tagout method is attaching a tag or sign plate to the Power switch to prevent any one from
turning ON the robot system by mistake while someone else is within the safeguarded area for
maintenance or repair.
108
Improper connection between the Controller and the
Lockout metal hasp
Lockout metal hasp
RC420 Rev.9