Chapter 13 - Function of LEDs ABB
13-6 (6) 3BHS202077 ZAB E01 Rev. C ACS 6000 Maintenance Manual
Figure 13-4 IGCT
13.4 IGCT
Yellow
Green
Table 13-6 LEDs
Yellow LED Green LED Function
ON ON Output stage functions correctly (U
out
> 10 V)
No overload (U
out
< 17 V)
FLASHING
(if output
voltage
decreases
below 10 V)
FLASHING Output stage functions correctly
Overload present or output shorted:
- Output voltage < 17 V
- Regulating board repeatedly attempts to connect
OFF ON Yellow LED or its actuation is defective
OFF OFF No supply voltage
Regulating board defective
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