Troubleshooting; Safety Instructions - ABB ETL600 Instruction Manual

ETL600
9.

TROUBLESHOOTING

In case of failure of communications between the two stations of the
PLC link, the fault could either be caused by the power line itself,
either or both of the PLC equipment or the coupling arrangement. A
systematic approach helps in tracking the fault in the shortest possible
time.
9.1.

Safety instructions

Personnel qualification
DANGER
Mechanical Installation
DANGER
DANGER
Work on the system
DANGER
Alteration
DANGER
Safety and monitoring facilities
DANGER
Troubleshooting
1KHW001489-EN
An authorized and properly trained personnel only is
admitted to carry out installing, programming,
commissioning, maintenance, troubleshooting and
work of the equipment.
The equipment must be mounted in a cabinet.
Cabinets, which are not secured to the floor, tip
forwards when the hinged frame is opened. Do not
open the hinged frame without precautions.
Do not work on the system or connect or disconnect
cables durin g periods of lightning activities.
Alteration of the equipment is not allowed.
Mechanical safety facilities such as cover plates
must not be removed or by-passed.
ABB Switzerland Ltd
November 2005 9-1