JRC JMR-92 Series Field Service Manual page 867

Symptom
Contact signals are not
output.
The scanner unit is not
recognized
Chapter 7 Troubleshooting
Cause
The power supply for the SLC
(CMH-2370) is not turned on.
(Case where contact signal output
is acquired from the SLC)
The SLC (CMH-2370) is faulty.
(Case where contact signal output
is acquired from the SLC)
The internal wiring is faulty.
The CCU (NDC-1590) is faulty.
The connection with the scanner
unit is abnormal.
Power is not supplied from the PSU
to the scanner unit.
Only AC power is supplied to the
PSU.
(NKE-2254 or NKE-2103 is
connected as the scanner unit)
The RIF (CQD-2273) is not set
correctly.
The RIF (CQD-2273) is faulty.
The scanner unit is faulty.
The internal wiring is faulty.
The CCU (NDC-1590) is faulty.
7-44
Action
Turn on the power supply for the
SLC.
Make a request to the distributor for
repair.
Make a request to the distributor for
repair.
Make a request to the distributor for
repair.
Check the connection with the
scanner unit.
Check the power supply wiring
between the PSU and the RIF.
Check the power supply connection
inside of the scanner unit.
[Note]
For checking wiring inside of the
scanner unit, always request the
work to the specialized service
person. Before starting the work, turn
off the power supply of the display
unit. Otherwise, an unexpected
accident may occur.
To connect the NKE-2254 or
NKE-2103 scanner unit, the DC
power supply must be connected to
the PSU.
Set the RIF correctly.
Make a request to the distributor for
repair.
Make a request to the distributor for
repair.
Make a request to the distributor for
repair.
Make a request to the distributor for
repair.