JRC JCY-1950 Instruction Manual page 142

Chapter 6 Maintenance and Inspection
Code Title
201 Lost MIC CH*
to *: 1 to 12
212
224 ARB fail
301 Lost serial CH*
to *:1 to 24
324
350 Lost LAN No*
to *:1 to 24
373
390 Lost DAU1 CH*
to *:1 to 10
399
400 Lost DAU1 DAU
401 Lost DAU1 analog
402 Lost DAU1 gyro
403 Lost DAU2 CH*
to *:1 to 10
412
413 Lost DAU2 DAU
108
Description
Failed to self-test. Check
and try re-test.
Unable to record audio.
Unable to record. Check
sensor and cable.
Unable to record. Check
sensor and cable.
Unable to record. Check
sensor and cable.
Unable to record. Check
sensor and cable.
Unable to record. Check
sensor and cable.
Unable to record. Check
sensor and cable.
Unable to record. Check
sensor and cable.
Unable to record. Check
sensor and cable.
Actions to take
1) Check the wiring between the
RCU and the microphone.
2) In environment without a loud
noise, retry the self-diagnosis test.
See "4.6.4 Checking the audio
data"
Reboot the RCU and check it works
normally. If there is still a problem,
please contact our head office, or a
nearby branch or local office to
request servicing.
1) Check the cable.
2) Check the equipment that is
displayed.
1) Check the cable.
2) Check the equipment that is
displayed.
1) Check the wiring between the
RCU and the DAU.
2) Check the wiring between the DAU
and the sensor.
3) Check the equipment that is
displayed.
1) Check the wiring between the
RCU and the DAU.
2) Check the DAU.
1) Check the wiring between the
RCU and the DAU.
2) Check the DAU.
1) Check the wiring between the
RCU and the DAU.
2) Check the DAU.
1) Check the wiring between the
RCU and the DAU.
2) Check the wiring between the DAU
and the sensor.
3) Check the equipment that is
displayed.
1) Check the wiring between the
RCU and the DAU.
2) Check the DAU.