Yaskawa DeviceNet Option Card CM059 - Manual (Page 59)

59
Fault Diagnostics
The following is a table of faults caused by the option that will be displayed on the Digital Operator, their causes, and possible
solutions. For any fault displayed on the operator that is not listed in the following table, please see the drive Users Manual.
Table 45: Drive Faults Caused by the Option
Fault
Display
Content Cause Solution
BUS
Option
Communication error
Communication is not
established between
DeviceNet master and the
drive. Check DeviceNet communication LED display
and connection at DeviceNet terminal.
The network and/or 24VDC power supply may be
down.
EF0
External Fault from
Option
External fault is active from
DeviceNet option.
Turn OFF external fault input.
CPF06
Option Connection
Fault
The drive and communication
are not correctly connected.
Turn OFF the drive power supply. Check the
connection of the option and drive, and then, turn
ON the drive power supply. If the fault persists,
change the option.
CPF21
Communication
Option Self-diagnostic
Fault
Communication option is not
working. Turn the drive power supply back ON. If the fault
persists, change the option.
CPF22
Communication
Option Model Code
No. Fault
CPF23
Communication
Option Mutual
Diagnostic Fault