Siemens SINUMERIK 840Di Diagnostic Manual page 746

Overview of Alarms
SIMODRIVE alarms
300763 Axis %1 drive %2 emergency retraction mode/generator mode invalid
Parameters: %1 = NC axis number
%2 = Drive number
Definitions: Value specified by the NC via a G command must be in the range 0 to 7.
The alarm can be reprogrammed in the MD ALARM_REACTION_CHAN_NOREADY (channel not
ready).
Reaction: NC 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. Check parameterization (G command in
the NC).
Program Clear alarm with the RESET key in all channels. Restart part program.
Continuation:
300764 Axis %1 drive %2 emergency retraction mode/generator mode not
possible
Parameters: %1 = NC axis number
%2 = Drive number
Definitions: Emergency retraction/Generator operation is only possible with an active DC link measurement (MD
1161: $MD_FIXED_LINK_VOLTAGE (DC link fixed voltage = 0). In an old hardware version, no DC
link measurement is possible and therefore the error message 300765 might appear in addition if MD
1161: $MD_FIXED_LINK_VOLTAGE (DC link fixed voltage) is set to 0 in an old hardware version.
Reaction: NC 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: Enter the value zero in the machine data MD 1161: $MD_FIXED_LINK_VOLTAGE (DC link fixed
voltage), or order a new hardware version of the control module.
Program Clear alarm with the RESET key in all channels. Restart part program.
Continuation:
2-746
© Siemens AG, 2006. All rights reserved
SINUMERIK, SIMODRIVE Diagnostics Manual (DA), 11/2006 Edition
11/2006