Estun ERSA-4C, Руководство по обслуживанию

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CHECK AND MAINTENANCE
6
2. CHECK AND MAINTENANCE
Please check the following items in daily operation:

Check that the cable of teach pendant is not extraordinarily bendy. Check that the controller and peripheral devices are in
normal condition.

Check that the air outlet of the cabinet is not dirty. If it is dirty, immediately clean up dirt.
Check the cooling fans every month. If the cooling fans are dirty, clean up the dirt.
Daily or periodic check and maintenance is essential to keep robot system reliable.
2.1. Maintenance of the Cabinet
（
1
）
Check if the Breaker on the Cabinet is Firmly Closed
The ERSA-4C cabinet has a fully sealed construction, designed to keep external air containing oil mist out of the cabinet. The
breaker must be turned to off before maintenance.
（
2
）
Check for Gaps or Damage in the Sealed Construction Section
Check the seal around the door is undamaged.

Check that the inside of the cabinet is not excessively dirty. If it is dirty, determine the cause, take measures to correct the
problem and immediately clean up dirt.

Fully close each door lock and check that no excessive gaps exist around the edge of the door.
（
3
）
Cooling Fan Inspections
A defective fan can cause the cabinet to malfunction because of excessive high temperature inside.
The interior circulation fan and backside duct fan normally operate while the power is turned on. Check if the fans are
operating correctly by visual inspection and by feeling air moving into the air inlet and from the outlet.
（
4
）
Emergency Stop Button Inspections
The emergency stop button is located on the teach pendant. Confirm the servo power is off by pressing the emergency stop
button after the servo on, before the manipulator is operated.
（
5
）
Enable Switch Inspections
The teach pendant is equipped with a three-position enable switch. Perform the following operation to confirm the enable
switch operates.
a) Set the mode switch on the teach pendant to
“
TEACH
”
.
b) Press [Mot] on the teach pendant, the [Motion] lamp blinks.
c) When the enable switch is grasped lightly, the servo power is turned on. When the enable switch is grasped firmly or
released, the servo power is turned off.
CAUTION
！
If the [Motion] lamp does not light in previous operation b), check the following:

The emergency stop button on the teach pendant is pressed.

The emergency stop signal is input from external.
CAUTION
！
If the servo is not turned on in a previous operation c), check the following:

The overrun limited switch is operating

If a major alarm is occurring
（
6
）
Power Supply Voltage Confirmation
Check the voltage of power input terminal of the circuit breaker (QF1) with an electric tester.