Siemens SINUMERIK 840D sl Series Diagnostics Manual page 843

08/2005
- Channel not ready.
- NC Start disable in this channel.
- Interface signals are set.
- Alarm display.
- NC Stop on alarm.
- Channel not ready.
Remedy: Please inform the authorized personnel/service department.
• The wrong encoder may be in use.
• Correct MD 1005: Does the number of encoder lines match the setting in MD 1005
$MD_ENC_RESOL_MOTOR (encoder resolution for motor measuring system)?
• Is the motor encoder cable connected correctly?
• Is the motor encoder cable shield installed flat?
• Replace the motor (the encoder is defective).
• Check the encoder, encoder cable and shield connection for loose contact or cable
breakage.
• Replace the encoder.
• Replace the 611D control module.
Program Con- Clear alarm with the RESET key in all channels of this mode group. Restart part program.
tinuation:
300610
Axis %1 drive %2 rotor position identification failed
Parameters: %1 = NC axis number
%2 = Drive number
Definitions: If P1075=1 (procedure based on saturation)
The rotor position could not be determined from the measurement signals (motor current),
as significant saturation effects did not occur.
For detailed diagnostics see also parameter P1734.
If P1075=3 (procedure based on movement)
1. Power increase too small.
2. Max permissible time exceeded.
3. No clear rotor position found.
Reactions: - Mode group not ready.
- The NC switches to follow-up mode.
- Channel not ready.
- NC Start disable in this channel.
- Interface signals are set.
- Alarm display.
- NC Stop on alarm.
- Channel not ready.
Remedy: Please inform the authorized personnel/service department.
• If P1075=1
• Increase current via P1019
• Check armature inductance (P1116) and increase if necessary.
• Check the motor/converter connection (phase missing).
• Check the motor protection.
• DC link voltage available?
• Check the DC link connections (check that the screws are tight).
• The Uce monitoring circuit in the power section has been activated (perform a reset by
switching the power supply off and on again).
• Replace the power section or closed-loop control module.
© Siemens AG, 2005. All rights reserved
SINUMERIK 840D sl/840D/840Di/810D Diagnostics Guide (DA), 08/2005 Edition
Overview of Alarms
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