Siemens SINUMERIK 840D sl Series Diagnostics Manual page 782

Overview of Alarms
Remedy: - check the DRIVE-CLiQ wiring (interrupted cable, contacts, ...).
- check the electrical cabinet design and cable routing for EMC compliance
- if required, use another DRIVE-CLiQ socket (p9904).
- replace the component involved.
234845 <location>VSM DRIVE-CLiQ: Cyclic data transfer error
Reaction: A_INFEED: OFF2 (NONE, OFF1)
SERVO: NONE (OFF1, OFF2)
Acknowledge: IMMEDIATELY
Cause: A DRIVE-CLiQ communications error has occurred between the control unit and the
voltage sensing module (VSM).
Fault value (r0949, hexadecimal):
0B: Synchronization error during alternating cyclic data transfer.
Remedy: Carry-out a POWER ON.
See also: p9916
234850 <location>VSM: Internal software error
Reaction: OFF1 (NONE, OFF2, OFF3)
Acknowledge: POWER ON
Cause: An internal software error in the voltage sensing module (VSM) has occurred.
Fault value (r0949, decimal):
1: Background time slice is blocked.
2: Checksum over the code memory is not OK.
Remedy: - replace the voltage sensing module (VSM).
- if required, upgrade the firmware in the voltage sensing module.
- contact the Hotline.
234851 <location>CU DRIVE-CLiQ: Sign-of-life missing
Reaction: A_INFEED: OFF2 (NONE, OFF1)
SERVO: NONE (OFF1, OFF2)
Acknowledge: IMMEDIATELY
Cause: A DRIVE-CLiQ communications error has occurred between the control unit and the power
module involved. The DRIVE-CLiQ component did not set the sign of life to the control unit.
Fault value (r0949, hexadecimal):
0A: The sign-of-life bit in the receive telegram is not set.
Remedy: - upgrade the firmware of the component involved.
234860 <location>CU DRIVE-CLiQ: Telegram error
Reaction: A_INFEED: OFF2 (NONE, OFF1)
SERVO: NONE (OFF1, OFF2)
Acknowledge: IMMEDIATELY
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SINUMERIK 840D sl/840D/840Di/810D Diagnostics Guide (DA), 08/2005 Edition
© Siemens AG, 2005. All rights reserved
08/2005