DCS 500 User Manual

Page 66

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Chapter 4 - Signals and Troubleshooting

IV A

4 - 14

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 127 Ext. FAN ack.alarm

Alarm No Acknowledge from External FAN (of
Motor)

Check: - See Fault Code

F 40.

11104

bit 15

A 128 Panel disconnected

Alarm No Communication with (Control)
Panel CDP 31x

No communicaiton is possible with the con-
trol Panel CDP 31x in REMOTE mode; the
alarm signal will disappear once communi-
cation is in order again.

11105

bit 0

A 129 Type code changed

Alarm Type Code (Hardware Code of Thyris-
tor Power Converter) changed

Unit type code stored in memory differs from
the hardware coding.
Check: - New control board SDCS-

CON-x?

- Control board SDCS-CON-x /

SDCS-PIN-xx board inter-

changed?

Action: - Save values in non-volatile

memory using BACKUPSTORE-

MODE

[11202]

;