YASKAWA Varispeed E7 Instruction Manual And Parameter Description page 253

Display
CPU internal A/D converter error
Option Card connection error
ASIC internal RAM fault
Watchdog timer fault
CPU-ASIC mutual diagnosis fault
ASIC version fault
Communications Option Card A/D
converter error
Communications Option Card self
diagnostic error
Communications Option Card
model code error
Communications Option Card
DPRAM error
-6
7
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Table 7.1 Fault Displays and Processing (Continued)
Meaning
The control circuit is damaged.
The Option Card is not connected
properly.
The Inverter or Option Card is faulty.
The control circuit is damaged.
The control circuit is damaged.
The control circuit is damaged.
The Inverter control circuit is faulty
The Option Card is not connected
properly.
The Option Card's A/D converter is
faulty.
Communications Option Card fault.
Probable Causes
Try turning the power supply off
-
and on again.
Replace the Inverter.
Turn off the power and insert the
Card again.
Replace the Option Card or the
Inverter.
Try turning the power supply off
-
and on again.
Replace the Inverter.
Try turning the power supply off
-
and on again.
Replace the Inverter.
Try turning the power supply off
-
and on again.
Replace the Inverter.
Replace the Inverter.
Turn off the power and insert the
Card again.
Replace the Communications
Option Card.
Replace the Option Card.
Corrective Actions