ABB IRC5 Operating Manual page 84

4 Troubleshooting by unit
4.10 Troubleshooting the power distribution board
Continued
5
6
Continues on next page
84
Test Note
Measure the input Measure the voltage using a
voltage to the DSQC voltmeter. Input voltage
662 and the ACOK_N should be: 24 < U < 27V and
signal. ACOK_N should be 0V.
Make sure that connectors
X1 and X2 are connected
properly on both ends.
The DC input connector X1
and ACOK_N connector X2
are shown in the Circuit Dia-
gram in Product manu-
al - IRC5.
The DSQC 662 may How to replace the unit is
be faulty, replace it detailed in Product manu-
and verify that the al - IRC5.
fault has been fixed.
© Copyright 2005-2018 ABB. All rights reserved.
Action
If the input voltage is correct, pro-
ceed with step 6.
If no or the wrong input voltage is
detected, troubleshoot DSQC 661.
Operating manual - Troubleshooting IRC5
3HAC020738-001 Revision: AA