15-B Maintenance Mnl, GFZ-62075E/03 - Automation Service Srl

3. TROUBLESHOOTING AND ACTION TO BE TAKEN
B–62075E/03
3.2.8 The input/output unit of the reader/punch interface do not operate correctly.
Item
Possible cause of the
problem
How to check the cause
The machine cannot punch or read.
PUNCH or READ is not displayed at the
bottom of the screen during the above
operation.
1 Failure analysis The machine cannot punch or read.
“PUNCH” or “READ” is displayed at the
bottom of the screen during the above
operation.
2 The reset signal is input.
3
4
The mode signal is not input.
Correct options are not
added.
5 Improper setup
6
7
An improper baud rate is
specified.
Operational error
(improper operation)
of the input/output unit
8 Incorrect cable connection
9
The main CPU board or
sub board is defective.
Action to take
Check the procedure for
the operation again, then
see Item 2.
See Item 5.
An alarm occurred. See Item 3.2.
Check the DGN data (parameter No.
1000).
Check that RSET is displayed for the
status.
Check the DGN data (parameter No.
003) to see if either the EDT mode or
MEM mode is set to 1.
Check the options with the data sheet.
Check that correct input/output unit are
selected in the setup procedure. (This
can be checked by referring to parameter
Nos. 20 and thereafter.)
Check parameter Nos. 5001 and thereafter
to see if the correct values for the
following items are specified for each input/output
unit selected in the setup procedure.
1. Baud rate
2. Stop bit
3. Whether the control code is used
Check the operation by referring to the
Operation Manual for the input/output
unit.
Check that the connection and wiring of
the cables is correct.(The signal cables
must be connected according to the
specifications established between the
machine tool builder and the input/output
unit manufacturers.)
Replace the printed circuit
board.
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