Chapter 4 - Signals and Troubleshooting
IV A 4 - 16 DCS 500B / DCP 500B Operating Instructions
Code
seven
segm.
display
Text on
LCD of control panel
CDP 31x
Definition /
Possible source
Signal
number
(ALARM_WORD_1/2)
Remark
A 143
Macro change failed
Alarm Change from Macro x to Macro y has
failed
At Macro x, macro-specific links or function
blocks have been changed in comparison
to the as-delivered status. The value of the
macro selection parameter has then also
been changed.
Notes on how to proceed when:
1. "selection parameter has been unintentionally altered"
- Set parameter to old value;
- Execute BACKUPSTOREMODE;
- Switch electronics supply OFF and then ON again.
2. "Macro x is be removed in its entirety"
- Move jumper S2 (on SDCS-CON-x) to Position 1–2
with electronics supply switched OFF;
- Switch ON electronics;
- Select BACKUPSTOREMODE [11202];
- Save default parameter set;
- Switch OFF electronics;
- Reset jumper S2 to its original position;
- Switch ON electronics again.
11105 Bit 7
S21.226
and
higher
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