Siemens Sinumerik 840D sl Diagnostic Manual page 614

Overview of Alarms
HMI-Alarms
120003 Area %1 cannot be deactivated. Please try again
Parameters: %1 = Operating area name
Definitions: Within the scope of an area switchover, an area is to be deselected.
However, the area refuses this.
The area switchover does not take place.
Reaction: Alarm display.
Remedy: Try again and, if possible, first close the area that could not be deactivated.
Program Con- Internal
tinuation:
120005 Please acknowledge the dialog box in area %1
Parameters: %1 = Operating area name
Definitions: The area %1 could not be deselected, as in this area a dialog box is still open.
Reaction: Alarm display.
Remedy: Close the dialog box in area %1!
Program Con- Internal
tinuation:
120006 The channel switchover is currently disabled by area %1.
Parameters: %1 = Operating area name
Definitions: The area %1 has disabled the channel switchover at the moment, as it is performing a critical opera-
tion (e.g. execution from external sources, etc.), during which no channel switchover may occur.
Reaction: Alarm display.
Remedy: Wait until the critical operation is finished or end the critical operation manually.
Program Con- Internal
tinuation:
120007 The channel switchover is currently disabled.
Definitions: The channel switchover is currently disabled, as a critical operation, during which no channel switcho-
ver may occur, is being carried out.
Reaction: Alarm display.
Remedy: Wait until the critical operation is finished or end the critical operation manually.
Program Con- Internal
tinuation:
120008 Control unit switchover, PLC timeout: %1
Parameters: %1 = --
Definitions: 001: MMC would like to go offline from this NCU. MMC has made the offline request in the online PLC
and is waiting for the positive / negative acknowledgement from the PLC.
002: MMC would like to go online to this NCU. MMC has called the target PLC and is waiting for the
release to go online.
003: MMC has requested the active operating mode and is waiting for acknowledgement from the
PLC.
Remedy: Check whether the switchover blocks are loaded and started in the online PLC.
120010 PCU temperature alarm
Definitions: The temperature sensor on the PCU module has reached the response threshold.
Interface bit DB10.DB103.6 will be set.
Remedy: Switch off the PCU and let it cool off.
Improve the ventilation of the PCU module.
Check the function of the fan of the PCU module (fan defect).
If the error is displayed again, please inform the authorized service personnel.
2-614
SINUMERIK 840D sl, 840Di sl, SINAMICS, Diagnostics Manual (DAsl), 03/2009
© Siemens AG 2009 All Rights Reserved
03/2009