26
Faults which can be recovered
manually but not automatically
Display Corrective action
OC
Consult with the supplier
OL1
Consider increasing the
Motor capacity
OL2
Consider increasing the
inverter capacity
CL
Check load condition and
running period time.
LV-C
1.Improve power quality
2.Consider adding a
reactor at the power
input side
OVSP
1.Check for excessive load
2.Check weather
frequency setting signal is
right or not
OH4
1.To improve the
ventilation condition
2.Adjust parameter 08-15
4.1.2 Keypad Operation Error
Instruction
Display Corrective action
LOC
1.Adjust 13-06
2.Adjust 11-00
Err1
1.The ▲ or▼ is available
for modifying the
parameter only when
00-05/00-06=0
2.Modify the parameter in
STOP mode.
Err2
1.modify11-08~11-10
or 11-11
2.00- 12>00-13
3.set 00-05 and 00-06 to
be different
4.set 03-21 <03-20
5.PTC function source can
not be set the same
source(AVI) with
frequency command
and PID command.
6.Please set correct
password
Err5
1.Issue enable command
before communication
2.Set parameters 09-02~
09-05 function before
communication
Err6
1.Check hardware and
wiring
2.Check Functions(09-00~
09- 05).
3.CON2 needs to connect
to the earth.
4.Please increase the
setting value of 09-08
Err7
If reset is not possible,
please consult with the
supplier.
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