Epson RC420, Manual

Page: 152 / 172

Maintenance 11. Verifying Robot System Operation
142 RC420 Rev.9
From power-on to boot While running
D-E1 The LED must be OFF.
The LED must turn ON when there
is an unresettable error in the motor
control system.
D-E2 The LED must be OFF.
The LED turns ON when there is a
resettable error in the motor control
system.
The LED must be blinking.
The LED must be OFF.
D-ERROR
It must turn ON when the motor controlling CPU detects an error in the
system processing.
RUN The LED must be blinking. The LED must be ON.
MOTOR
POWER
The LED must be OFF.
The LED must be OFF when the
motor is turned off.
POWER
The LED will be ON if the system is operating properly.
When the LED is OFF, suspect that either there is an input/output
failure in the Switching Power Supply module or a wiring failure in the
Control Power Supply circuit.
SAFE
SHUT
DOWN
This LED is ON only when the Controller is ready to be turned OFF.
(3) Execute MOTOR ON and check the following:
- No error is displayed.
- The MOTOR POWER LED on the Controller’s Front Panel turns ON.
- The Manipulator operates normally, and there is excitation.
(4) Execute various motion commands (such as JUMP, etc.). The Manipulator must operate
accordingly and normally without vibration or unusual sounds.