ABB CSU-2LV, Installation And Maintenance Manual, Page: 74 / 84

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ABB
ARC GUARD SYSTEM™ – CSU-2LV/2MV INSTALLATION AND MAINTENANCE GUIDE
8.3.2 ABB support
If you have a problem with your CSU-2, contact ABB
for support.
Contact information
ABB AB
Control Products
SE-721 61 VÄSTERÅS, Sweden
Tel46 21 32 07 00
www.abb.com/lowvoltage
Providing information
To get faster support when contacting ABB support
it is beneficial to be prepared to answer the
following questions:
• Description of how the error occurred.
• Which Arc Guard System™ modules are used, setup
and configuration.
• Readings on LEDs and display.
• Output signals.
• What is the general situation.
• Application, location, ambient conditions.
• What has happened, the situation before the error, any
event that happened in connection with the error.
• Have you done troubleshooting? What did you check?
• Which are your findings?
INFORMATION
It is also important to know the serial number.
See label on CSU-2.
To get the CSU-2 Revision Information, See:
“5.3.3 Device info” on page 35.
Figure 38
Serial number
1SFC170020M0201
08