Siemens SINUMERIK 840D sl Setup guide

08/2005 Edition
SINUMERIK
840D sl/840D/840Di/810D
Diagnostics Guide
Valid for
Control
SINUMERIK 840D pl/840D sl
SINUMERIK 840DE pl/840D sl (export version)
SINUMERIK 840Di
SINUMERIK 840DiE (export version)
SINUMERIK 810D powerline
SINUMERIK 810DE powerline (export version)
Overview of System Error Alarms 1
Overview of Alarms 2
List of Action Numbers 3
Error Codes of Alarm 300500 4
System Reactions on Alarms 5
Appendix A

More information is available on the Internet at:
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This publication was created using FrameMaker V7.0.
© Siemens AG, 1995-2005. All rights reserved
Other functions not described in this documentation may be execut-
able in the control. This does not, however, represent an obligation to
supply such functions with a new control or when servicing.
We have checked the contents of this manual for agreement with the
hardware and software described. Since deviations cannot be pre-
cluded entirely, we cannot guarantee full conformity. However, the
data in this manual is reviewed regularly and any necessary correc-
tions will be included in subsequent editions. Suggestions for im-
provement are welcome.
Subject to change without prior notice
Order No. 6FC5298-7AA20-0BP2
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SINUMERIK® Documentation
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Brief details of this edition and previous editions are listed below.
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SIMATIC®, SIMATIC HMI®, SIMATIC NET®, SIROTEC®, SINUMERIK® and SIMODRIVE® are Siemens trademarks.
Other product names used in this documentation may be trademarks which, if used by third parties, could infringe the rights
of their owners.
A .... New documentation
B .... Unrevised reprint with new order number
C .... Revised edition with new status
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09.95 6FC5298-3AA01-0BP0 Description of differences
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12.98 6FC5298-5AA20-0BP0 C
08.99 6FC5298-5AA20-0BP2 C
04.00 6FC5298-5AA20-0BP2 C
10.00 6FC5298-6AA20-0BP0 C
09.01 6FC5298-6AA20-0BP1 C
02.02 6FC5298-6AA20-0BP2 C
11.02 6FC5298-6AA20-0BP3 C
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08.05 6FC5298-7AA20-0BP2 C

iii ©Siemens AG, 2005. All rights reserved
SINUMERIK 840D sl/840D/840Di/810D Diagnostics Guide (DA), 08/2005 Edition
Preface
Structure of the documentation
The SINUMERIK documentation is organized in 3 parts:
•General documentation
•User documentation
•Manufacturer/service documentation
Please contact your local Siemens office for more detailed information about
other SINUMERIK 840D sl/840D/840Di/810D publications and publications that
apply to all SINUMERIK controls (e.g. universal interface, measuring cycles, etc.).
An overview of publications, which is updated monthly and also provides informa-
tion about the language versions available, can be found on the Internet at:
http://www.siemens.com/motioncontrol
Select "Support" -> "Technical Documentation" -> "Overview of Publications"
The Internet version of the DOConCD (DOConWEB) is available at:
http://www.automation.siemens.com/doconweb
Target audience
This documentation is intended for manufacturers of machine tools with
SINUMERIK 840D sl /840D/840Di/810D, SIMODRIVE 611D and SINAMICS.

Preface 08/2005
iv ©Siemens AG, 2005. All rights reserved
SINUMERIK 840D sl/840D/840Di/810D Diagnostics Guide (DA), 08/2005 Edition
Hotline
If you have any questions, please contact our hotline:
A&D Technical Support
Phone: [phone] - 222
Fax: [phone] - 223
E-mail: mailto:[e-mail]
Internet: http://www.siemens.com/automation/support-request
If you have any queries (suggestions, corrections) in relation to this documenta-
tion, please fax or e-mail us:
Fax: [phone] - 63315
E-mail: mailto:motioncontro[email protected]
Fax form: See the reply form at the end of the brochure.
Subject matter of this manual
This manual is intended as a work of reference. It allows the operator at the
machine tool:
−To correctly assess special situations when operating the machine.
−To ascertain the reaction of the system to the special situation.
−To utilize the possibilities for continued operation following the special sit-
uation.
−To follow references to other documentation containing further details.
Scope
This manual describes the alarms / messages from the NC kernel (NCK) area,
the PLC and the SIMODRIVE 611D drive and SINAMICS.
Other alarms can occur from the HMI/MMC (Human-Machine/Man-Machine
Communication) areas. These alarms are displayed on the operator panel in the
form of self-explanatory text. They are documented in the section on MMC mes-
sages.
For special situations in conjunction with the integrated PLC, please refer to the
SIMATIC S7-300 documentation.
The alarms are sorted by ascending alarm number in each section. There are
gaps in the sequence.

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Structure of alarm description
Each alarm consists of an alarm number and alarm text. There are four descrip-
tion categories:
•Explanation
•Reaction
•Remedy
•Program continuation
For a more detailed explanation of the "Reaction" category, please refer to
section: "System reactions on alarms"
For a more detailed explanation of the "Program continuation" category, please
refer to the section: "Clear criteria for alarms"
Structure of the alarms for the number range 200 000 - 299 999
Each alarm (fault or warning), consisting of a number, location (optional) and
alarm text, is indicated with further information for the following categories:
•Reaction
•Acknowledgment
•Cause
•Remedy
Note
Instead of <location>, the following is indicated in the alarm display:
•Axis name and drive number or
•Bus and slave number of the PROFIBUS DP component affected
For a more detailed explanation of the "Reaction" / "Acknowledgement" category,
please refer to section: "System reactions on SINAMICS alarms".
"Cause":
For the cause of the alarm/warning, the fault / warning valueis prepared as far as
possible in text form.

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NCK alarms
HMI alarms/messages
SINAMICS alarms (faults/warnings)
611D alarms (>SW 7.1)
Table -1 Number ranges of the alarm numbers
000 000 - 009 999 General alarms
010 000 - 019 999 Channel alarms
020 000 - 029 999 Axis/spindle alarms
030 000 - 099 999 Functional alarms
060 000 - 064 999 Cycle alarms SIEMENS
065 000 - 069 999 Cycle alarms user
070 000 - 079 999 Compile cycles, manufacturer and OEM
Table -2 Number ranges of the alarm numbers, continued
100000 - 100999 Basic system
101000 - 101999 Diagnosis
102000 - 102999 Services
103000 - 103999 Machine
104000 - 104999 Parameters
105000 - 105999 Programming
106000 - 106999 Reserve
107000 - 107999 OEM
109000 - 109999 Distributed systems (M to N)
110000 - 110999 HMI Embedded messages
111000 - 111999 ManualTurn, ShopMill, ShopTurn
120000 - 120999 HMI Advanced messages
Table -3 Number ranges of the message numbers, continued
200000 - 299999 Basic system
Table -4 Number ranges of the alarm numbers, continued
300000 - 399999 Drive

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SINUMERIK 840D sl/840D/840Di/810D Diagnostics Guide (DA), 08/2005 Edition
PLC alarms/messages
1) More detailed information is available via the diagnostic function (diagnostic buffer) in SIMATIC
STEP 7.
2) The PLC alarms in the range 500000 - 899999 are configured and described by the machine man-
ufacturer.
Action list
The actions described in the alarm texts ("Action %---") are explained in detail in
the table in the "Action list" section.
Finding information
For better orientation, you are provided with a table of contents as well as the
appendices:
•Abbreviations
•References
Safety
Danger and warning concept
Thefollowingwarningnotices with varyingdegrees of significanceare used inthe
document:
Table -5 Number ranges of the alarm numbers, continued
400000 - 499999 General alarms
500000 - 599999 Channel alarms 2)
600000 - 699999 Axis/spindle alarms 2)
700000 - 799999 User area 2)
800000 - 899999 Sequencers/graphs 2)
(810001 - 810009 System error messages from PLC 1))
Danger
Please check the situation in the plant on the basis of the description of the active
alarm(s). Eliminate the causes for theoccurrence of the alarms and acknowledge
in the manner indicated. Failure to observe this warning will place your machine,
workpiece, stored settings and possibly even your own safety at risk.
Danger
Indicates an imminently hazardous situation which, if not avoided, will result in
death or serious injury or in substantial property damage.

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Warning
Indicates an imminently hazardous situation which, if not avoided, could result in
death or serious injury or in substantial property damage.
Caution
Caution (with warning triangle) indicates that minor personal injury or property
damage can result if proper precautions are not taken.
Caution
Used without safety alert symbol indicates a potentially hazardous situation
which, if not avoided, may result in property damage.
Notice
Used without the safety alert symbol indicates a potential situation which, if not
avoided, may result in an undesirable result or state.

ix ©Siemens AG, 2005. All rights reserved
SINUMERIK 840D sl/840D/840Di/810D Diagnostics Guide (DA), 08/2005 Edition
Contents
Preface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .iii
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ix
1 Overview of System Error Alarms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11
2 Overview of Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13
3 List of Action Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-949
4 Error Codes of Alarm 300500 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-973
5 System Reactions on Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-987
5.1 Cancel criteria for alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-990
5.2 System reactions on SINAMICS alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-991
A Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-995
A.1 Abbreviations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-995

Contents 08/2005
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1-11 ©Siemens AG, 2005. All rights reserved
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Overview of System Error Alarms 1
System errors
The following alarms are system errors:
These system error alarms are not described in detail. If such a system error
occurs, please contact the hotline and indicate the following details:
−Alarm number
−Alarm text and
−The internal system error number
SIEMENS AG, A&D MC, System Support
Hotline
Phone: 0180 / 5050 - 222 (Germany)
Fax: 0180 / 5050 - 223
Phone: +49 -180 / 5050 - 222 (International)
Fax: +49 -180 / 5050 - 223
1000 1005 1013 1017
1001 1010 1014 1018
1002 1011 1015 1019
1003 1012 1016 1160

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Overview of Alarms 2
0No (more) alarm(s) present
Definitions: If the communication (variable service) requests more alarms than currently available in
the alarm list, this alarm is communicated as end-of-program function.
Reactions: - No alarm reaction.
Remedy: --
Program Con-
tinuation: Internal
1000 System error %1
Parameters: %1 = System error number
Definitions: With this alarm, internal alarm states are displayed that, in conjunction with the trans-
ferred error number, provide information on the cause and location of the error.
Reactions: - NC not ready.
- Channel not ready.
- NC Start disable in this channel.
- Interface signals are set.
- Alarm display.
- NC Stop on alarm.
Remedy: Make a note of the error text and contact Siemens A&D MC, Hotline
• Tel 0180 / 5050 - 222 (Germany)
• Fax 0180 / 5050 - 223
• Tel +49-180 / 5050 - 222 (International)
• Fax +49-180 / 5050 - 223
• email [email protected]
Program Con-
tinuation: Switch control OFF - ON.
1001 System error %1
Parameters: %1 = System error number
Definitions: With this alarm, internal alarm states are displayed that, in conjunction with the trans-
ferred error number, provide information on the cause and location of the error.
Reactions: - Mode group not ready.
- Channel not ready.
- Interface signals are set.
- Alarm display.
Remedy: Make a note of the error text and contact Siemens AG A&D MC, Hotline (tel./fax: see
alarm 1000)
Program Con-
tinuation: Clear alarm with the RESET key in all channels of this mode group. Restart part program.

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SINUMERIK 840D sl/840D/840Di/810D Diagnostics Guide (DA), 08/2005 Edition
1002 System error %1
Parameters: %1 = System error number
Definitions: With this alarm, internal alarm states are displayed that, in conjunction with the trans-
ferred error number, provide information on the cause and location of the error.
Reactions: - Alarm display.
Remedy: Make a note of the error text and contact Siemens AG A&D MC, Hotline (tel./fax: see
alarm 1000)
Program Con-
tinuation: Clear alarm with the Delete key or NC START.
1003 Alarm pointer for this self-clearing alarm %1 is zero
Parameters: %1 = Incorrect alarm number
Definitions: The address (zero pointer) used by the compile cycle manufacturer or by the operating
system for self-clearing alarms is not allowed in the system.
Reactions: - Alarm display.
Remedy: Make a note of the error text and contact Siemens AG A&D MC, Hotline (tel./fax: see
alarm 1000)
Check setCCAlarm/setAlarm (...) call.
Program Con-
tinuation: Clear alarm with the Delete key or NC START.
1004 Alarm reaction to NCK alarm incorrectly configured
Parameters: %1 = Incorrect alarm number
Definitions: The alarm reaction configured by the operating system or the compile cycles manufac-
turer is incorrect.
Reactions: - NC not ready.
- Channel not ready.
- Interface signals are set.
- Alarm display.
Remedy: Make a note of the error text and contact Siemens AG A&D MC, Hotline (tel./fax: see
alarm 1000)
Change alarm reaction
Program Con-
tinuation: Switch control OFF - ON.
1005 Operating system error %1 parameter %2 %3 %4
Parameters: %1 = Operating system error number
%2 = Operating system error parameter 1
%3 = Operating system error parameter 2
%4 = Operating system error parameter 3
Definitions: This alarm indicates that the operating system has detected a serious error.
Reactions: - NC not ready.
- Channel not ready.
- NC Start disable in this channel.
- Interface signals are set.
- Alarm display.
- NC Stop on alarm.
Remedy: Make a note of the error text and contact Siemens AG A&D MC, Hotline (tel./fax: see
alarm 1000)
Program Con-
tinuation: Switch control OFF - ON.

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1010 Channel %1 system error %2 action %3<ALNX>
Parameters: %1 = Channel number
%2 = System error number
%3 = Action number/action name
Definitions: With this alarm, internal alarm states are displayed that, in conjunction with the trans-
ferred error number, provide information on the cause and location of the error.
Reactions: - NC not ready.
- Interpreter stop
- Channel not ready.
- NC Start disable in this channel.
- Interface signals are set.
- Alarm display.
- NC Stop on alarm.
Remedy: Make a note of the error text and contact Siemens AG A&D MC, Hotline (tel./fax: see
alarm 1000)
Program Con-
tinuation: Switch control OFF - ON.
1011 Channel %1 %3 %4 system error %2
Parameters: %1 = Channel number
%2 = System error number
%3 = Optional parameter: Block number, label
%4 = Optional parameter: Action number, ....
Definitions: With this alarm, internal alarm states are displayed that, in conjunction with the trans-
ferred error number, provide information on the cause and location of the error.
Reactions: - Interpreter stop
- NC Start disable in this channel.
- Interface signals are set.
- Alarm display.
Remedy: Make a note of the error text and contact Siemens AG A&D MC, Hotline (tel./fax: see
alarm 1000)
Program Con-
tinuation: Clear alarm with the RESET key. Restart part program
1012 Channel %1 system error %2 %3 %4
Parameters: %1 = Channel number
%2 = System error number
%3 = Parameter1
%4 = Parameter2
Definitions: With this alarm, internal alarm states are displayed that, in conjunction with the trans-
ferred error number, provide information on the cause and location of the error.
Reactions: - Alarm display.
Remedy: Make a note of the error text and contact Siemens AG A&D MC, Hotline (tel./fax: see
alarm 1000)
Program Con-
tinuation: Clear alarm with the Delete key or NC START.
1013 Channel %1 system error %2
Parameters: %1 = Channel number
%2 = System error number

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Definitions: With this alarm, internal alarm states are displayed that, in conjunction with the trans-
ferred error number, provide information on the cause and location of the error.
Reactions: - Channel not ready.
- NC Start disable in this channel.
- Interface signals are set.
- Alarm display.
- NC Stop on alarm.
Remedy: Make a note of the error text and contact Siemens AG A&D MC, Hotline (tel./fax: see
alarm 1000)
Program Con-
tinuation: Clear alarm with the RESET key. Restart part program
1014 Channel %1 system error %2
Parameters: %1 = Channel number
%2 = System error number
Definitions: With this alarm, internal alarm states are displayed that, in conjunction with the trans-
ferred error number, provide information on the cause and location of the error.
Reactions: - Mode group not ready.
- Local alarm reaction.
- Channel not ready.
- NC Start disable in this channel.
- Interface signals are set.
- Alarm display.
- NC Stop on alarm.
Remedy: Make a note of the error text and contact Siemens AG A&D MC, Hotline (tel./fax: see
alarm 1000)
Program Con-
tinuation: Clear alarm with the RESET key in all channels of this mode group. Restart part program.
1015 Channel %1 axis %2 system error %3
Parameters: %1 = Channel number
%2 = Axis number
%3 = System error number
Definitions: With this alarm, internal alarm states are displayed that, in conjunction with the trans-
ferred error number, provide information on the cause and location of the error. Especially
with parameter %3 (system error number) = 840001 = Problem with tool management,
the identification for the axis is not contained in parameter %2, but instead, further infor-
mation for the diagnostics (= Status of the data management/magazine no./location no./T
no.)
Reactions: - Local alarm reaction.
- Channel not ready.
- Interface signals are set.
- Alarm display.
Remedy: Make a note of the error text and contact Siemens AG A&D MC, Hotline (tel./fax: see
alarm 1000)
Program Con-
tinuation: Clear alarm with the RESET key. Restart part program
1016 Channel %1 axis %2 system error %3
Parameters: %1 = Channel number
%2 = Axis number

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%3 = System error number
Definitions: With this alarm, internal alarm states are displayed that, in conjunction with the trans-
ferred error number, provide information on the cause and location of the error.
Reactions: - Mode group not ready.
- Local alarm reaction.
- Channel not ready.
- Interface signals are set.
- Alarm display.
Remedy: Make a note of the error text and contact Siemens AG A&D MC, Hotline (tel./fax: see
alarm 1000)
Program Con-
tinuation: Clear alarm with the RESET key in all channels of this mode group. Restart part program.
1017 Channel %1 axis %2 system error %3
Parameters: %1 = Channel number
%2 = Axis number
%3 = System error number
Definitions: With this alarm, internal alarm states are displayed that, in conjunction with the trans-
ferred error number, provide information on the cause and location of the error.
Reactions: - Alarm display.
Remedy: Make a note of the error text and contact Siemens AG A&D MC, Hotline (tel./fax: see
alarm 1000)
Program Con-
tinuation: Clear alarm with the Delete key or NC START.
1018 Floating point arithmetic error in channel %1 task %2 station %3 FPU state %4
Parameters: %1 = Channel number
%2 = Task ID
%3 = Station priority
%4 = FPU status
Definitions: The floating point unit of the processor has found a computational error.
Reactions: - NC not ready.
- Mode group not ready, also effective for single axes
- NC Start disable in this channel.
- Interface signals are set.
- Alarm display.
- NC Stop on alarm.
- Alarm reaction delay is canceled.
Remedy: Make a note of the error text and contact Siemens AG A&D MC, Hotline (tel./fax: see
alarm 1000)
Program Con-
tinuation: Clear alarm with the RESET key in all channels of this mode group. Restart part program.
1019 Floating point arithmetic error at address %3 in channel %1 task %2 FPU state %4
Parameters: %1 = Channel number
%2 = Task ID
%3 = Code address of operation that triggered the error
%4 = FPU status
Definitions: The floating point unit of the processor has triggered an exception on account of a compu-
tational error.
Reactions: - NC not ready.

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- Mode group not ready, also effective for single axes
- NC Start disable in this channel.
- Interface signals are set.
- Alarm display.
- NC Stop on alarm.
- Alarm reaction delay is canceled.
Remedy: Make a note of the error text and contact Siemens AG A&D MC, Hotline (tel./fax: see
alarm 1000)
Program Con-
tinuation: Clear alarm with the RESET key in all channels of this mode group. Restart part program.
1030 System error in link module error code %1 error type %2
Parameters: %1 = Hex-Zahl Link-Error
%2 = Hex-Zahl Link-Error-Type
Definitions: This alarm is not a user error. An internal error has occurred in the software of the link
module. Two parameters are output with this error for debugging purposes. They provide
information about the cause and location of the error.
Reactions: - NC not ready.
- Channel not ready.
- NC Start disable in this channel.
- Interface signals are set.
- Alarm display.
- NC Stop on alarm.
Remedy: Make a note of the error text and contact Siemens AG A&D MC, Hotline (tel./fax: see
alarm 1000)
Program Con-
tinuation: Switch control OFF - ON.
1031 Link module generated an unspecified error %1 NCU %2 %3 %4
Parameters: %1 = Hex-Zahl unspecified status in stateOfLinkModules
%2 = NCU number
%3 = Command from link module to NCK
%4 = Status of own link
Definitions: This alarm is not a user error.
• 1. If NCU== 0 -> A parameter not equal to zero was not found
• 2. If NCU not equal to zero -> An error which the NC was not able to interpret in the con-
nection to this NCU. The error is output as a number. It is possible that the NCU link mod-
ule is running a newer software version than the NC.
The other parameters are used for error localization in the NC/LINK-MODUL software.
Reactions: - NC not ready.
- Channel not ready.
- NC Start disable in this channel.
- Interface signals are set.
- Alarm display.
- NC Stop on alarm.
Remedy: Make a note of the error text and contact Siemens AG A&D MC, Hotline (tel./fax: see
alarm 1000)
Program Con-
tinuation: Switch control OFF - ON.
1100 No valid firmware

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Definitions: No memory card or memory card without valid firmware (license) inserted.
Reactions: - Alarm display.
Remedy: Make a note of the error text and contact Siemens AG A&D MC, Hotline (tel./fax: see
alarm 1000)
Program Con-
tinuation: Switch control OFF - ON.
1160 Assertion failed in %1: %2
Parameters: %1 = String (path with program name)
%2 = String (line number)
Definitions: This alarm is purely a development alarm and will not appear in a delivered software ver-
sion. For an OEM customer, this alarm could indicate that an alarm has occurred in the
system softwaren. Handling of the 'assertion' allows error conditions leading to this alarm
to be defined in the system software during the development phase. After the develop-
ment phase, this alarm output is no longer active.
Reactions: - 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.
- Alarm reaction delay is canceled.
Remedy: Check the cause of the error in the specified software component at the specified line
number.
Program Con-
tinuation: Clear alarm with the RESET key in all channels. Restart part program.
2000 PLC sign-of-life monitoring
Definitions: The PLC must give a sign of life within a defined period of time (machine data 10100
PLC_CYCLIC_TIMEOUT). If this does not occur, the alarm is triggered.
The sign of life is a counter reading on the internal NC/PLC interface which the PLC
causes to count up with the 10 ms time alarm. The NCK also tests cyclically whether the
counter reading has changed.
Reactions: - NC not ready.
- Local alarm reaction.
- Channel not ready.
- NC Start disable in this channel.
- Interface signals are set.
- Alarm display.
- NC Stop on alarm.
Remedy: Please inform the authorized personnel/service department. Check monitoring time frame
in NCK-MD 10100 PLC_CYCLIC_TIMEOUT (reference value: 100ms).
Establish the cause of the error in the PLC and eliminate it (analysis of the ISTACK. If
monitoring has responded with a loop in the user program rather than with a PLC Stop,
there is no ISTACK entry).
Program Con-
tinuation: Switch control OFF - ON.
2001 PLC has not started up
Definitions: The PLC must give a sign of life within a period of time defined in MD 10120
PLC_RUNNINGUP_TIMEOUT (Default setting: 1 sec.).

Overview of Alarms 08/2005
2-20 ©Siemens AG, 2005. All rights reserved
SINUMERIK 840D sl/840D/840Di/810D Diagnostics Guide (DA), 08/2005 Edition
Reactions: - NC not ready.
- Local alarm reaction.
- Channel not ready.
- NC Start disable in this channel.
- Interface signals are set.
- Alarm display.
- NC Stop on alarm.
Remedy: • Please inform the authorized personnel/service department. The monitoring time in in
MD 10120 PLC_RUNNINGUP_TIMEOUT must be checked and adapted to the first OB1
cycle.
• Establish the cause of error in the PLC (loop or stop in the user program) and eliminate.
Program Con-
tinuation: Switch control OFF - ON.
2100 NCK battery warning threshold reached
Definitions: The undervoltage monitor of the NCK battery has reached the prewarning threshold. This
is at 2.7-2.9 V (nominal voltage of the battery is 3.0-3.1 V at 950 mAh).
Reactions: - Alarm display.
Remedy: Please inform the authorized personnel/service department. The battery must be
replaced within the next 6 weeks. After this period, the voltage can drop below the alarm
limit of 2.4-2.6 V if the RAMs to be buffered take up a lot of current.
Program Con-
tinuation: Clear alarm with the Delete key or NC START.
2101 NCK battery alarm
Definitions: The undervoltage monitoring (2.4 - 2.6 V) of the NCK battery has responded during cyclic
operation.
Reactions: - Alarm display.
Remedy: If the NCK battery is replaced without interrupting the power supply, no data will be lost.
This means that production can continue without taking any further steps. (A buffer
capacitor on the NCK holds the supply voltage for at least 30 minutes and the battery can
be replaced within this time even when the control is switched off).
Program Con-
tinuation: Clear alarm with the Delete key or NC START.
2102 NCK battery alarm
Definitions: The undervoltage monitoring (2.4 - 2.6 V) of the NCK battery was detected during system
power-up.
Reactions: - 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.
Remedy: Please inform the authorized personnel/service department. Pull out the battery/fan unit
from the NC module and replace the battery (type: lithium battery with lead, size 1/2 AA,
850 mAh, min. 3.2 V).
The system must then be reinitialized because it must be assumed that data has been
lost in the buffered RAM during the last power-off phase as a result of insufficient supply
voltage (refer to Section 2.2 in the Installation and Start-up Guide for the procedure).
The following data might have been corrupted or entirely lost: