Omron VARISPEED E7 User Manual page 259

Display
External fault (Input terminal S3)
(blink-
ing)
External fault (Input terminal S4)
(blink-
ing)
External fault (Input terminal S5)
(blink-
ing)
External fault (Input terminal S6)
(blink-
ing)
External fault (Input terminal S7)
(blink-
ing)
PI Feedback Lost
A PI feedback loss detection is
enabled (b5-12 ≠ 0) and the PI feed-
back input was less than b5-13 (PI
(blink-
feedback loss detection level) for
ing)
longer than the time set in b5-14 (PI
feedback loss detection time).
MEMOBUS Communications Error
Normal receive was not possible for
(blink-
2 s or longer after received control
ing)
data.
Option Card Communications Error
A communications error occurred in
a mode where the run command or a
(blink-
frequency reference is set from an
ing)
Communications Option Card.
7
Communications on Standby
Control data was not normally
(blink-
received when power was turned
ing)
ON.
Drive not enabled
(blink-
ing)
Cannot Reset
(blink-
ing)
8
7-
Meaning
An external fault was input from a
multi-function input terminal (S3 to
S7).
An digital input is programmed to
6A (Drive Enable) or 70 (Bypass
Drive Enable) and a RUN command
was input while the drive was not
enabled.
It is tried to reset a fault while a RUN
command is still active.
Probable causes
Remove the cause of the external
fault.
–
Check the communications devices
–
and signals.
Check the communications devices
–
and signals.
Check the communications devices
–
and signals.
Check the wiring and sequence of
the external signals.
Remove the RUN command and
reset.
Corrective Actions
–