Siemens Sinumerik 840C Diagnostics Manual page 23

04/96
60 Internal software error
Scan
Cyclic
Effect
Computer stops, machining stops, interlocking of NC Start
Explanation
The software has recognized an internal error but cannot rectify it.
Remedy
Notify service.
67 1st computer link not ready for operation
Scan
Cyclic or after POWER ON
Effect
Message frame transfer between host computer and NC is not possible
Explanation
Host computer and NC are not synchronized owing to an incorrect input or a fault in the interface module. This
means that message frame transfer is not possible.
S
Remedy
Check programming of interface module
S
Check machine data settings for computer link
S
Check whether host computer is ready or connected
68 2nd computer link not ready for operation
Scan
Cyclic or after POWER ON
Effect
Message frame transfer between host computer and NC is not possible
Explanation
Host computer and NC are not synchronized owing to an incorrect input or a fault in the interface module. This
means that message frame transfer is not possible.
S
Remedy
Check programming of interface module
S
Check machine data settings for computer link
S
Check whether host computer is ready or connected
70 Define at least one channel
S
Scan
At POWER ON
S
Effect
Interlocking of NC START
S
Interlocking of Mode Group Ready
S
Interlocking of NC Ready relay
S
Machining not possible
Explanation
At start-up, an incorrect assignment of machine data was made.
The NC will not work without channel assignment.
Remedy
Check and correct machine data for channel assignment
S
POWER ON
71 Too many real axes
S
Scan
At POWER ON
S
Effect
Interlocking of NC START
S
Interlocking of Mode Group Ready
S
Interlocking of NC Ready relay
S
Machining stops
S
Surplus axes are not shown on the service display
Explanation
More real axes than are permitted were defined in axis-specific machine data bits 564* at the time of start-up
The machine data MD 60013 (memory for real axes) is not within the permissible range or has been set too small.
Remedy
Correct axis-specific machine data bits 564*.
Correct MD 60013.
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SINUMERIK 840C / SIMODRIVE 611–D (DA)
1 Alarms
1.5.1 Alarm description
POWER ON
POWER ON
POWER ON
POWER ON
POWER ON
1–15