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ABB NETA-21 User Manual

ABB NETA-21
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Diagnostics and troubleshooting 185
19
Diagnostics and troubleshooting
What this chapter contains
This chapter explains how to trace faults with the status LEDs on the NETA-21 and the
NEXA-21.
LED indications
The NETA-21 is equipped with 13 bi/tricolor diagnostic LEDs. The NEXA-21 is equipped
with four bi/tricolor diagnostic LEDs. The LEDs are described below.

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ABB NETA-21 Specifications

General IconGeneral
BrandABB
ModelNETA-21
CategoryMeasuring Instruments
LanguageEnglish

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