8-16
Name Description
LED
monitor
displays
Alarm
output
[30A,B,C]
Operation
Protection
Start
check
function
Inverters prohibit any run operations and displays
er6
on the LED of keypad if any run command is
present when:
- Powering up
- An alarm (
key turned on) is released or an
alarm reset RST is input.
- Link command LE has switched inverter operation
and the run command in the source to be switched
is active.
er6
Yes
RS-485
communication
error
On detecting an RS-485 communication error, the inverter displays
the alarm code.
er8
Yes
Data save error
during
undervoltage
If the data could not be saved during activation of the
undervoltage protection function, the inverter displays the alarm
code.
erf
Yes
Overload
prevention
control
In the event of overheating of the cooling fan or an overload
condition (alarm display:
0h1
or
0lu
), the output frequency of
the inverter is reduced to keep the inverter from tripping.
— —
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