Sinumerik Alarm 14815 Channel %1 block %2 negative thread lead change programmed
%1 = Channel number
%2 = Block number, label
A negative thread lead change has been programmed.
– Alarm display.
– Interface signals are set.
– Correction block is reorganized.
Correct the value assignment. The programmed F value should be greater than zero.Zero is allowed but has no effect.
Clear alarm with NC START or RESET key and continue the program.
- Siemens Diagnostics Guide by Siemens