3. TROUBLESHOOTING
3-2
Alert ID,
instance ID
Alert Title Alert Message
Priority &
Category
3003, 1 Lost DCU
(Lost RAP)
Restart the VDR. Caution
Cat: B
Meaning: Connection between DCU and RAP is lost. On the RAP, “Lost DCU” ap-
pears.
Remedy: Check the connection with RAP, then restart the VDR. To restart the VDR,
open the DCU door with its key and turn on the AC and BATTERY switches on the
power control panel, then turn the switches on after shutdown of the DCU.
3003, 2
to
3003, 17
Lost Serial Ch xx
(xx: 01 - 16)
Check Ch xx connected sensor.
(xx: 01 - 16)
Caution
Cat: B
Meaning: No. xx serial channel has not received correct format data from a connected
serial device (xx: 01 - 16).
Remedy: Check the sentences input from the serial channel on the RAP and confirm
that the applicable sensor is operating correctly.
3003, 18
to
3003, 81
Lost LAN Ch xx
(xx: 01 - 64)
Check Ch xx LAN connected sensor.
(xx: 01 - 64)
Caution
Cat: B
Meaning: No. xx sensor (LAN) channel has not received correct format data from a
connected sensor (LAN) device (xx: 01 - 64).
Remedy: Check the sentences input from the LAN channel on the RAP and confirm
that the applicable sensor is operating correctly.
3016, 1 Lost GPS Check the GPS receiver. And restart VDR. Caution
Cat: B
Meaning: System has not received UTC information.
Remedy: Check that a valid UTC source (GPS receiver) is connected to the serial port,
then restart the VDR. To restart the VDR, open the DCU door with its key and turn on
the AC and BATTERY switches on the power control panel, then turn the switches on
after shutdown of the DCU.
3016, 2
to
3016, 5
Lost Radar Image x
(x: 1 - 4)
Turn on the No.x Radar. And restart VDR.
(x: 1 - 4)
Caution
Cat: B
Meaning: No.x Radar has been powered off and the image data is not received (x: 1
- 4).
Remedy: Turn on the No. x Radar (x: 1 - 4), then restart the VDR. To restart the VDR,
open the DCU door with its key and turn on the AC and BATTERY switches on the
power control panel, then turn the switches on after shutdown of the DCU.
3016, 6
to
3016, 8
Lost ECDIS Image x
(x: 1 - 3)
Turn on the No.x ECDIS. And restart VDR.
(x: 1 - 3)
Caution
Cat: B
Meaning: No.x ECDIS has been powered off and the image data is not received (x: 1
- 3).
Remedy: Turn on the No. x ECDIS (x: 1 - 3), then restart the VDR. To restart the VDR,
open the DCU door with its key and turn on the AC and BATTERY switches on the
power control panel, then turn the switches on after shutdown of the DCU.
3023, 1 AC fail Reconnect AC power. Caution
Cat: B
Meaning: AC power is down and the battery is running.
Remedy: Reconnect AC power.
3023, 2 Battery fail Confirm that the battery switch is on. Caution
Cat: B
Meaning: No battery input or voltage is too low.
Remedy: Confirm that the battery switch is turned on. If ON, recharge or replace the
battery.
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