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Chapter 4 - Signals and Troubleshooting
DCS 500B / DCP 500B Operating Instructions
IV A 4 - 11
Code
seven
segm.
display
Text on
LCD of control panel
CDP 31x
Definition /
Action
Status
signal
(FAULT_WORD_1/2)
Remark
F 65
Reversal Fault
Reversal of direction of current is not O.K.
The reversal of the direction of current was
not correct.
Check: - External cabling between both
thyristor power converters;
- Correct plugging in of flat cable
X18:?
11103 bit 15 (3)
F 66
Current Difference
Current feedback difference (deviation) be-
tween Master and Slave Drive
There is a current feedback difference (de-
viation) between Master and Slave Drive (in
twelve pulse configuration).
Check: - Parameter settings
[P 3606] and
[P 3605]
;
- Power-circuit cabling;
- Symmetry of control logic and
scaling of signals exchanged
between Master and Slave Drive.
11103 bit 14 (3)
3ADW000055R0401_DCS500B_Operating Instruction_e_d