3. Maintenance and Inspection
41
Symptom Causes Actions to be taken
Faulty wiring between the Recording
Control Unit and the Protective Capsule
Unit
Check the Connection Box.
ERROR CODE:
“20__” lights up.
Fault in the Recording Control Unit
Fault in the Protective Capsule Unit
Reboot the Recording Control Unit,
and see if the symptom persists. If
so, contact us.
ERROR CODE:
“21__” lights up.
Fault in recording the data in the
Protective Capsule Unit
The BER ERROR could occur
temporarily.
The error is canceled in less than 2
days automatically.
If the error is not canceled after 2
days, contact us.
Fault in sensors Check the sensor equipment shown
by error code.
Faulty wiring between the Recording
Control Unit and the sensors
Check the wiring between the
Recording Control Unit and the
sensors.
ERROR CODE:
“60**” lights up.
Fault in the Recording Control Unit
Reboot the Recording Control Unit.
See if the symptom persists. If so,
contact us.
ERROR CODE:
“61**” lights up.
Fault on setting up the
Main Control
Board
Reboot the Recording Control Unit,
and see if the symptom persists. If
so, contact us.
Fault in the Audio Recording Board
Fault in the Microphone Unit
Check the wiring between the
Microphone Unit and the Recording
Control Unit.
ERROR CODE:
“5*__” lights up.
Alarm was raised due to a large noise.
Reboot the Recording Control Unit in
noise-free environment.
Power failure Check the power supply in the
Recording Control Unit.
No power is supplied from the
switchboard.
Check the switchboard.
ERROR CODE:
“10__” lights up.
The fuse for the AC power source is
blown.
Check the fuse for the AC power
source and, if it is blown, replace it
with a spare fuse.
ERROR CODE:
“11__” lights up.
The fan of Power Supply Unit is not
working.
Contact us.
ERROR CODE:
“30__” / “35__” /
“36__” / “37__” /
“38__” light up.
Fault in the Main Control Board Reboot the Recording Control Unit,
and see if the symptom persists. If
so, contact us.
ERROR CODE:
“33__” lights up.
GPS is faulty or setting error on the
Main Control Board
Check the GPS.
If the GPS is error-free, contact us.
ERROR CODE:
“34__” lights up.
An internal battery for a Real Time
Clock IC has run out of the life.
Contact us for exchanging the
battery.