HEIDENHAIN TNC 415 (259 9x0) Service Manual - Manual (Page 84)

SERVICE MANUAL TNC 415B/425
Page 79
Issue: 20.08.95
Flow-Chart for Error Location
ENCODER X` DEFECTIVE 3B
(Example)
Defect is located in the position
encoder input of the control Defect is located in the position
encoder or in the encoder cable
*
Observe the safety instructions!
switch off power
switch encoder of X axis
and e.g. encoder of Y axis
at the logic unit
NOTE: always switch both
encoders: X1 + X2; X15 + X16!
switch on power
if the message
POWER INTERRUPTED
is generated, enter code number
95148 to call the active parameter
list and switch the entry values
of MP110.0 and 110.1
Does the error message
switch from X to Y?
YES
NO