4. TROUBLE SHOOTING
JCY-1900
1950
DR Service Manual
73
DOC No. 7ZPNA4409
Error
codes
Error
type
Indication Contents Actions to take
501 CAUTION S-band radar image
recording failure
The S-band radar image could
not receive.
1) Check the connection of S-band radar.
When using the FGU, check the setting of the FGU.
（Refer to Installation Manual (Software Part) 10.2.）
502 CAUTION X-band radar image
recording failure
The X-band radar image could
not receive.
1) Check the connection of X-band radar.
When using the FGU, check the setting of the FGU.
(Refer to Installation Manual (Software Part) 10.2.）
503 CAUTION ECDIS image record-
ing
failure
The ECDIS image could not
receive.
1) Check the connection of ECDIS. When using the FGU, check the setting of
the FGU. (Refer to Installation Manual (Software Part) 10.2.）
504 WARNING Image LAN port
initialization failure
1) Reboot the RCU.
513
-520
Image reception
failure
(No.1〔~8〕)
The display image can't receive
from the display equipment.
1) Check the connection. (Refer to Installation Manual (Hardware Part) 3.3.9.)
557
-559
WARNING FGU1(~3) fan failure The FGU's built-in fan is stop-
ping.
1) Check the connection. Check that the wind has come out from the vent of
the FGU.
2) Replace the Fan （Refer to Service manual 2.7.2.）.
560
-562
WARNING FGU1(~3)
communication Failure
The RCU can't communicate the
FGU.
1) Check the connection.
（Refer to Installation Manual (Hardware Part) 3.3.9.2）.
And check the LED of LAN connector (「LINK/ACT」）is blinking.
(Refer to Installation Manual (Hardware Part) 5.7.)
2) Replace the FGU.
566
-568
WARNING FGU1(~3)
control failure
There is no response of the
FGU.
1) Reboot the RCU and the FGU.
2) Replace the FGU.
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