Inspecting The Switching Power Supply Module - Epson RC520 Manual

Maintenance 6. Six-axis Drive Unit

6.3.3 Inspecting the Switching Power Supply Module

The Switching Power Supply module rectifies AC200V (or the local equivalent) and
outputs +24V and +5V.
Inspect the Switching Power Supply module by following the steps as described below:
(1) Turn ON the six-axis Drive Unit(s).
(2) Check that the six-axis Drive Unit's front panel POWER LED (green) is ON.
NOTE
If this LED is either OFF or dim, suspect that the + 24V power output is not normal.
172
DRIVE UNIT
1 2 ERROR RUN E-STOP
MOTOR
POWER POWER
POWER LED (green)
RC520 Rev.7