![Fuji Electric FVR-C11S-7EN Series Скачать руководство пользователя страница 64](http://html1.mh-extra.com/html/fuji-electric/fvr-c11s-7en-series/fvr-c11s-7en-series_instruction-manual_2341873064.webp)
6-2
6 Protective Function
FVR-C11S-EN
6
Table 6-1-1
List of Protective Functions
Alarm Name
Keypad
panel
display
Contents of operation
External Alarm
OH2
If the control circuit terminal THR (functional change of X1 to X3 ter-
minals) is set to OFF, an alarm is issued and the inverter is tripped.
Motor
overload
OL
If the motor current exceeds the operating level set by the electronic
thermal O/L relay, output is shut down to protect the motor, an alarm
is issued, and the inverter is tripped.
Inverter
overload
OLU
If the output current exceeds the inverter rated overload current, out-
put is shut down, an alarm is issued, and the inverter is tripped.
Memory Error
Er1
If memory error occurs, such as a missing or invalid data, output is
shut down, an alarm is issued , and the inverter is tripped.
CPU Error
Er3
If CPU error occurs because of noise, etc., output is shut down, an
alarm is issued , and the inverter is tripped.
RS485
Communica-
tion
Error
Er8
If an error occurs in serial communication via the RS485, output is
shut down, an alarm is issued , and the inverter is tripped. For further
details, refer to the instruction manual for RS485 communication
cards.