INFICON MPI-16 Crucible Indexer - Manual (Page 47)

MPI-16 & MPI-16H POCKET INDEXERS
Troubleshooting Aids 5-1
5 Troubleshooting Aids
The MPI-16 was designed around a philosophy of trouble-free and maintenance-
free assembly. Field repair at the component level is not recommended and
indeed can void the warranty. The following sections are intended primarily as an
aid in understanding the operation of the MPI-16 and to help in identify possible
problems that may occur.
Symptom Possible Cause Remedy
No power at the wall
outlet where the power
cable is plugged into. Test for correct power or
try a different wall
outlet. Check that the
Green indicator on the
portable power supply is
lit.
Power cable is not
properly connected. Verify that the power
cable is firmly connected
at both ends. Check that
the Green indicator on
the portable power
supply is lit.
MPI-16 does not find
home upon power up.
The output cable from the
portable supply is not
properly connected to the
MPI-16 input power
connector. Verify that the portable
supply output cable is
firmly connected to the
MPI-16 input power
connector.
MPI-16 does not response
to new configuration set
up. Unit has not been reset
after the configuration
was changed. Reset unit by holding the
Reset button down for
more than 2 seconds.
Incorrect wiring of I/O
interface signals.
Discontinuity or loose
connection(s) in the
wiring of the I/O
interface signals.
Verify that I/O signals
driving that particular
command code is wired
correctly from the
controller to the MPI-16
I/O port.
The controller issues a
wrong command code. Verify the controller is
indeed outputting a
proper code for the
desired action.
The Disable input to the
MPI-16 is true. Remove or return this
input to a false state.
MPI-16 does not response
or response incorrectly to
a command code from the
controller.
The Auto/Manual switch
on the Remote Panel is
set to Manual. Set this switch to Auto.