E6582233
L-5
12
[Alarm information]
Each message in the table is displayed to give a warning but does not cause the inverter to trip.
Error code
Problem
Possible causes
Remedies
N--- No
detailed
information
of past trip
The detailed information of past trip is
read by pushing the center of setting dial
during blinking
nerr
⇔
number.
Normal operation.
To be returned by pressing MODE key.
NERR
No trip of past trip
No new record of past trip, after past trips
were clear.
Normal operation.
OFF
ST terminal OFF
The ST-CC circuit is opened.
Close the ST-CC circuit.
/
PASS/
FAIL
Password verification
result
After the password setting (
f738
), the
password was input to
f739
(password
verification).
If the password is correct,
pass
is
displayed and if it is incorrect,
fail
is
displayed.
RTRY
Retry in process
The inverter is in process of retry.
A momentary stop occurred.
The motor speed is being detected.
The inverter restarts automatically. Be
careful of the machine because it may
suddenly restart.
STOP Deceleration
stop
during power failure
function activated.
The deceleration stop during power failure
with
is activated.
To restart operation, power supply reset or
input an operation signal again.
[Pre-alarm information]
Each message in the table is displayed to give a warning but does not cause the inverter to trip.
The following error code and the frequency will flash alternately.
Error code
Name
Description
Remedies
C
Overcurrent pre-alarm
When a current flows at or higher than the over current stall
prevention level.
Same as
(overcurrent)
H
Overheat pre-alarm
When the overheat protection pre-alarm level is reached.
Same as
(overheat)
L
Overload pre-alarm
When the cumulative amount of overload reaches 50% or
more of the overload trip value.
When the main circuit element temperature reaches the
overload pre-alarm level.
Same as
(overload)
P
Overvoltage pre-alarm
When a voltage is generated at or higher than the over voltage
stall prevention level.
When a voltage is generated at or higher than the over voltage
stall prevention level.
Even if it was lower than the over voltage stall prevention level,
when a voltage is generated at sharp increse.
Same as
(overvoltage)
T
Communication pre-alarm
When the communication was broken off at or higher than the
over parameter
f803
setting.
Same as
err5
(communication
fault)
If two or more problems arise simultaneously, one of the following pre-alarms appears and blinks.
,
,
(The blinking alarms
,
,
,
h
,
t
are displayed in this order from left to right.)