YASKAWA Varispeed E7 User Manual

7-6
CPU internal A/D converter error
-
Try turning the power supply off
and on again.
The control circuit is damaged. Replace the Inverter.
Option Card connection error
The Option Card is not connected
properly.
Turn off the power and insert the
Card again.
The Inverter or Option Card is faulty.
Replace the Option Card or the
Inverter.
ASIC internal RAM fault
-
Try turning the power supply off
and on again.
The control circuit is damaged. Replace the Inverter.
Watchdog timer fault
-
Try turning the power supply off
and on again.
The control circuit is damaged. Replace the Inverter.
CPU-ASIC mutual diagnosis fault
-
Try turning the power supply off
and on again.
The control circuit is damaged. Replace the Inverter.
ASIC version fault The Inverter control circuit is faulty Replace the Inverter.
Communications Option Card A/D
converter error
The Option Card is not connected
properly.
Turn off the power and insert the
Card again.
The Option Card's A/D converter is
faulty.
Replace the Communications
Option Card.
Communications Option Card self
diagnostic error
Communications Option Card fault. Replace the Option Card.
Communications Option Card
model code error
Communications Option Card
DPRAM error
Table 7.1 Fault Displays and Processing (Continued)
Display Meaning Probable Causes Corrective Actions
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YASKAWA Varispeed E7 Specifications

General

Brand	YASKAWA
Model	Varispeed E7
Category	DC Drives
Language	English