HEIDENHAIN TNC 122 Technical Manual - Manual (Page 66)

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TNC 122 13 Error Messages 65
13 Error Messages
PROCESSOR CHECK X
X
⇒
0 = Checksum NC-EPROM incorrect
1 = CRC sum MP incorrect
2 = CRC sum NC memory incorrect
4 = Cross feed between data bits in the RAM
5 = Checksum PLC-EPROM incorrect
6 = Stack overflow
7 = Timeout EEPROM
A = Software error
B = Incorrect interrupt
C = Overflow time slice
ENCODER DEFECT X
X
⇒
A = Signal amplitude too low
B = Frequency exceeded
POS. ERROR X
X
⇒
A = Servo lag monitoring
C = Movement monitoring
D = Standstill monitoring