JMA-5300MkIIsm

INDEX > 6.Troubleshooting > 6.3 Display Unit error messages
6.3 Display Unit error messages
6.3.1 Keyboard (Data), Keyboard (Data2)
[1] Content
There is a problem with the communication of the operation unit. Keyboard
(Data) and Keyboard (Data2) indicate the communication status of the main
operating unit and the sub operating unit, respectively.
It is possible there is a problem in the operating unit, an operating unit cable is
damaged, a problem with the I/F circuit, or there is a problem in the radar process
circuit.
[2] Problem location
[2]-1 Operation Circuit CCK-979 in operation unit
• Check the insertion status of J6001 in Operation Circuit CCK-979.
• Oeration Circuit replacement (CCK-979). (see section 4.7.1, page 4-87)
• Replace NCE-5171.
[2]-2 I/F Unit NQA-2123 in Radar Process Unit
• Check the insertion status of J4108 and J4114 in I/F Unit NQA-2123.
• I/F Unit replacement (NQA-2123). (see section 4.6.2, page 4-70)
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[2]-3 Radar Process Circuit CDC-1332 in Radar Process Unit
• Check the installation status of J4403 in Radar Process Circuit CDC-1332.
• Radar Process Circuit replacement (CDC-1332). (see section 4.6.3, page 4-73)
6.3.2 ISW (Data)
[1] Content
There is a problem in communication with the inter switch unit.
It is possible there is a problem with the inter switch unit, damage to the inter
switch cable, a problem with the terminal board circuit, or a problem with the
radar process circuit.
It is possible the power for the inter switch unit is not turned on.
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