
7-8
LED Display
Description
Cause
Possible Solutions
EF1 (Flash)
External Fault
(S2)
External fault (Terminal S2).
Active when 03-01= 25, and
AC Drive external fault
selection 08-24=2.
● Multifunction digital input
external fault active and
parameter 08-24 set to 2 for
operation to continue.
● Multi-function input function
set incorrectly.
● Check wiring.
EF3 (Flash)
External Fault
(S3)
External fault (Terminal S3).
Active when 03-02= 25, and
AC Drive external fault
selection 08-24=2.
EF4 (Flash)
External Fault
(S4)
External fault (Terminal S4).
Active when 03-03= 25, and
AC Drive external fault
selection 08-24=2.
EF5 (Flash)
External Fault
(S5)
External fault (Terminal S5).
Active when 03-04= 25, and
AC Drive external fault
selection 08-24=2.
EF6 (Flash)
External Fault
(S6)
External fault (Terminal S6).
Active when 03-05= 25, and
AC Drive external fault
selection 08-24=2.
EF9 (Flash)
Error Of
Fwd/Rev
Rotation
Forward run and reverse run
are active within 0.5 sec of
each other. Stop method set
by parameter 07-09.
● Forward run and reverse run
active (see 2-wire control).
● Check run command
wiring.
Range setting
error
Parameter setting falls
outside the allowed range.
● Some parameter ranges are
determined by other AC Drive
parameters which could cause
an out of range warning when
the dependent parameter is
adjusted.
Example:
02-00>02-01, or 02-20>02-21
● Check parameter settings.