9
Maintenance
9.1
Safety
DANGER
Damage to a device component
Risk of ineffectiveness of the protective device
In the event of damage, the whole safety component must be replaced. Replacement of
individual parts of a safety component is not permitted.
No maintenance is required.
All repair work on the device must be carried out by the manufacturer.
9.2
Cleaning
NOTICE
b
Do not use aggressive cleaning agents (such as isopropanol or spirit).
b
Do not use any substances that hinder the wetting properties of lacquers.
b
We recommend anti-static cleaning agents.
9.3
Regular thorough check
The safety switch must be checked regularly. The type and frequency of thorough
checks is defined by the machine manufacturer and operating entity,
The regular thorough checks serve to investigate the effectiveness of the safety switch
and detect any ineffectiveness due to modifications or external influences (e.g., dam‐
age or manipulation).
b
Carry out the thorough checks according to the instructions from the machine
manufacturer and operating entity.
9.4
Thorough check of the safety function
DANGER
Error in installation and thorough check
Risk of ineffectiveness of the protective device
Danger of death or serious injury
b
Before carrying out the thorough check, make sure that there is no one inside the
hazardous area.
b
Observe the applicable accident prevention regulations.
A complete thorough check of the safety function must be carried out after installation
and after every fault.
1.
Switch on the supply voltage.
°
The machine must not start independently.
°
The safety switch carries out a self-test.
°
The green LED STATE flashes at 15 Hz for approx. 10 seconds.
°
The LED STATE then lights up continuously.
°
The LEDs OUT and ERROR are off.
2.
Close all guards.
MAINTENANCE
9
8022726/2019-05-07 | SICK
O P E R A T I N G I N S T R U C T I O N S | T4000 Multi
33
Subject to change without notice
