Siemens SINUMERIK 840D sl Series Diagnostics Manual page 734

Overview of Alarms
Cause: At run-up it was detected that the cause of the previous reset was an SAC watchdog timer
overflow.
Remedy:
230820 <location>Power module DRIVE-CLiQ: Telegram error
Reaction: OFF2
Acknowledge: IMMEDIATELY
Cause: A DRIVE-CLiQ communications error has occurred between the control unit and the power
module involved.
Fault value (r0949, hexadecimal):
01: CRC error.
02: Telegram is shorter than specified in the length byte or in the receive list.
03: Telegram is longer than specified in the length byte or in the receive list.
04: The length of the receive telegram does not match the receive list.
05: The type of the receive telegram does not match the receive list.
06: The address of the power module in the telegram and in the receive list do not match.
07: Power module expects a SYNC telegram, but the receive telegram is not a SYNC
telegram.
08: Power module does not expect a SYNC telegram, but the receive telegram is a SYNC
telegram.
09: The error bit in the receive telegram is set.
10: The receive telegram is too early.
Remedy: - carry-out a POWER ON.
- check the electrical cabinet design and cable routing for EMC compliance
- check the DRIVE-CLiQ wiring (interrupted cable, contacts, ...).
See also: p9916
230835 <location>Power module DRIVE-CLiQ: Cyclic data transfer error
Reaction: OFF2
Acknowledge: IMMEDIATELY
Cause: A DRIVE-CLiQ communications error has occurred between the control unit and the power
module involved. The nodes do not send and receive in synchronism.
Fault value (r0949, hexadecimal):
21: The cyclic telegram has not been received.
22: Timeout in the telegram receive list.
40: Timeout in the telegram send list.
Remedy: - carry-out a POWER ON.
- replace the component involved.
See also: p9916
230836 <location>Power module DRIVE-CLiQ: Send error for DRIVE-CLiQ data
Reaction: OFF2
Acknowledge: IMMEDIATELY
Cause: A DRIVE-CLiQ communications error has occurred between the control unit and the power
module involved. Data were not able to be sent.
Fault value (r0949, hexadecimal):
41: Telegram type does not match send list.
Remedy: - carry-out a POWER ON.
230837 <location>Power module DRIVE-CLiQ: Component faulted
Reaction: 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