E6581158
F-61
6
[Display during operation of the stall prevention]
During an
QE
alarm status, (that is , when there is a current flow in excess of the stall prevention
level), the output frequency changes. At the same time, to the left of this value, "
E
" is displayed flashing
on and off.
Example of display
E
ҏ
+
The switching from
H
to
H
can be performed by entering a command through terminals.
For more details, see 6.4.1.
6.19.3 Inverter trip retention
H
: Inverter trip retention selection
•
Function
If the inverter trips, this parameter will retain the corresponding trip information. Trip information that
has thus been stored into memory can be displayed, even after power has been reset.
[Parameter setting]
Title
Function
Adjustment range
Default setting
H
Inverter trip retention selection
0: Cleared if power is turned off
1: Retained even if power is
turned off
0
+
The causes of up to four trips that occurred in the past can be displayed in status monitor mode.
+
Data (current, voltage, etc) displayed in status monitor mode when the inverter is tripped is cleared when
power is turned off. (Past trip records can be displayed.)
Š
Flow of operation when
H
=
Occurrence of a
trip
Reset the
inverter by
panel or
terminal
operation.
Turn power off,
then turn it back
on to reset the
inverter.
Completion of reset
If the cause of the
trip is not
eliminated
If the cause of the
trip is eliminated
Normal operation
The relay trips again.
ȷ
Display of the cause
ȷ
Failure signal FL
activated
Trip state is retained
ȷ
Display of the cause
ȷ
Failure signal FL not
activated