Sinumerik Alarm 2140 The actual service switch position forces a SRAM to be cleared at the next Power On (general reset active)
The initialization switch is currently set to overall reset.This means that the module’s SRAM is deleted with the next module reset.The NC data memory is cleared during this operation.
– Alarm display.
– NC not ready.
– Interface signals are set.
Reset initialization switch to zero.
Alarm display showing cause of alarm disappears.No further operator action.
- Siemens Diagnostics Guide by Siemens