Yaskawa YASNAC PC NC Maintenance Manual Manuale Utente Pagina 86

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Chapter 4: Troubleshooting PC NC Maintenance Manual
4-65
AL-A1:YENET1200 card RAM is defective.
Error Contents YENET1200 memory (RAM) is defective. [common RAM pattern
check error at initialization]
Cause and measures
AL-A2:YENET1200 card I/O error 1.
Error Contents Data transfer (send and receive) error between YENET1200 card and
control card
[handshake error at initialization]
Cause and measures
AL-A3:YENET1200 card I/O error 2
Error Contents Data transfer (send and receive) error between YENET1200 card and
control card [WDT count error at on-line mode]
Cause and measures
Cause Measures
YENET1200 card connection defect Confirm the YENET1200 card connection (12CN).
YENET1200 card fault Exchange unit (exchange YENET1200 card)
Control card fault Exchange unit (exchange control card)
Cause Measures
YENET1200 card connection defect Confirm the YENET1200 card connection (12CN).
YENET1200 card fault Exchange unit (exchange YENET1200 card)
Control card fault Exchange unit (exchange control card)
Cause Measures
YENET1200 card connection defect Confirm the YENET1200 card connection
(12CN).
YENET1200 card breakdown Exchange unit (exchange YENET1200 card)
Control card fault Exchange unit (exchange control card)
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