ABB 500 Operating Instructions Manual page 63

Code Text on
seven
LCD of control panel
segm.
CDP 31x
display
F 65 Reversal Fault
F 66 Current Difference
DCS 500B / DCP 500B Operating Instructions
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:?
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 3605]
- Power-circuit cabling;
- Symmetry of control logic and
scaling of signals exchanged
between Master and Slave Drive.
3ADW000055R0401_DCS500B_Operating Instruction_e_d
Chapter 4 - Signals and Troubleshooting
Definition /
Action
and
[P 3606]
;
Status Remark
signal
(FAULT_WORD_1/2)
11103 bit 15 (3)
11103 bit 14 (3)
IV A
4 - 11