YASKAWA VS-656MR5

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Table 12.1 Converter Faults (continued)
Fault No. Name Meaning Corrective Actions
CPU built-in A/D
error
Built-in A/D Converter error
ROM error Memory (PROM) error
EEPROM error Memory (EEPROM) error
Replace the control PCB.
CPU error CPU error
..
Control PCB fault WDT time exceeded.
12
Troubleshooting