Epson RC420 Manual page 152

Maintenance 11. Verifying Robot System Operation
D-E1
D-E2
D-ERROR
RUN
MOTOR
POWER
POWER
SAFE
SHUT
DOWN
(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.
142
From power-on to boot
The LED must be OFF.
The LED must be OFF.
The LED must be blinking.
It must turn ON when the motor controlling CPU detects an error in the
system processing.
The LED must be blinking.
The LED must be OFF.
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.
This LED is ON only when the Controller is ready to be turned OFF.
While running
The LED must turn ON when there
is an unresettable error in the motor
control system.
The LED turns ON when there is a
resettable error in the motor control
system.
The LED must be OFF.
The LED must be ON.
The LED must be OFF when the
motor is turned off.
RC420 Rev.9