GE Industrial Solutions CPS2500D +-190V - Manual (Page 36)

CPS2500D +/-190V Downstream System
5 - 8 Installation Issue 4 January 2008
Recognizing Normal States
Recognize Normal
States Once power is provided to the CPS 2500D system the LEDs on the converters
will illuminate. Understanding what the LEDs mean allows one to recognize
normal states and diagnose abnormal states. The top row of LEDs show the
state of the input to the converters. The bottom row of LEDs show the state of
the output from the converters.
Step Action
1
Observe the LEDs.
2 Does the display look like a combination of the states shown in
Figure 5-7: Normal States?
3 Yes - The system is operating
normally. Proceed to the next
task. No - Continue to Diagnosing
Abnormal States.
Figure 5-7: Recognizing Normal States
(with associated LED display definitions)
QS882A
A B
OUT
IN
QS882A
A B
OUT
IN
QS882A
A B
OUT
IN Green Green Green
Green Green
Both Pairs
Powered
A Pair
Powered
B Pair
Never
Powered
Neither Pair
Ever
Powered
Green
1 1 1