HEIDENHAIN TNC151B Service Instructions Manual page 12

SERVICE MANUAL TNC 151/155
Page 11
Section 2.2.2
Kundendienst
VDU Display (flashing)
ERROR IN PLC PROGRAM . . . .
A
B
C
D
E
F
G
H
I
J
K
L
Fault cause
Fault with non-erasable marker
(see also PLC-Description)
Start
Key
or incremental positioning Xt
Rapid Traverse
Key
or incremental positioning X-
Direction Latch Key
or incremental positioning Yt
Feed Release
or incremental positioning Y-
Start PLC Positioning X-axis
or incremental positioning Zt
Start PLC Positioning Y-axis
or incremental positioning Z-
Start PLC Positioning Z-axis
or incremental positioning IV+
Start PLC Positioning IV-axis
or incremental positioning IV-
Directional Key X+
Directional
Key
X-
Directional Key Y+
Directional
Key
Y-
Possible fault location
PLC Program, Main Processor Board