Yaskawa G7 Drive - Manual (Page 393)

7
-12
CE
(blinking)
modbus
Com Err
MODBUS Communications Error
Normal reception was not possible for
2 s or longer after received control
data.
-
Check the communications devices
and signals.
BUS
(blinking)
Option
Com Err
Option Card Communications
Error
A communications error occurred in a
mode where the run command or a
frequency reference is set from an
Communications Option Card.
-
Check the communications devices
and signals.
CALL
(blinking)
Com
Call
Communications on Standby
Control data was not normally
received when power was turned ON.
-
Check the communications devices
and signals.
E-15
SI-F/G
Com Err
SI-F/G Communications Error
Detected
A communications error was detected
when a run command or frequency
reference was set from an Option Card
and continuous operation was set for
the E-15 operation selection.
- Check the communications signals.
Table 7.2 Alarm Displays and Processing (Continued)
Display Meaning Probable causes Corrective Actions