ABB IRC5 Operating Manual page 82

4 Troubleshooting by unit
4.10 Troubleshooting the power distribution board
Continued
LEDs
A
en1000000042
A
Description
DCOK indicator
Required test equipment
Equipment needed for troubleshooting:
Preparations
1
2
Continues on next page
82
DCOK indicator
Significance
GREEN: When DC output is above the specified minimum level.
OFF: When the DC output below the specified minimum level.
• Ohmmeter
• Resistive load (e.g. main computer on +24V_PC)
• Voltmeter
Action
Check the FlexPendant for errors and warnings.
Make sure that the power distribution board is in
run-time mode.
Do this by waiting 1 minute after power-on.
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Note
Note
When the AC power has been cut
off, the indicator LED (Status LED)
on DSQC 662 will turn red and
stay red until UltraCAP is empty.
This may take a long time and is
completely normal. It does not
mean that there is something
wrong with the 662.
Operating manual - Troubleshooting IRC5
3HAC020738-001 Revision: AA