Chapter 5 Troubleshooting and maintenance
5-5
5.1.3 Operation errors
Display
Error
Cause
Remedy
Parameter and
frequency
reverse already
locked
1.Attempt to modify frequency
/parameter while 3-17>0000
2.Attempt to reverse while 1-02=0001
1. Set 3-17=0000
2. Set 1-02=0000
Key
operation error
1.Press
▲
or
▼
while 1-06>0 or
running at preset speed.
2.Attempt to modify the parameter can
not be modified during operation
(refer to the parameter list).
1.The
▲
or
▼
is
available for modifying
the parameter only
when 1-06=0
2.Modify the parameter
while STOP
Parameter setting
error
1. 3-01in the range of 3-13 ± 3-16 or
3-14 ± 3-16or 3-15 ± 3-16
2. 3-00
≤
3-01
3.The setting error as performing Auto
tuning(e.g. 1-00
≠
0
，
1-06
≠
0 )
1. Modify 3-13~3-15or 3-16
2. 3-00>3-01Set 1-00=0, 1-
06=0 during Auto tuning
Modification of
parameter
is
not available in
communication
1. Issue a control command during
communication disabled
2.Modify the function 13-1~13-4
during communication
1. Issue enable command
before communication
2. Set the very parameter
of the
function
before
communication
Communication
failed
1. Wiring error
2. Communication parameter setting
error.
3. Sum-check error
4. Incorrect communication protocol
1.Check
hardware
and wiring
2.Check
Function 13-1~13-4
Parameter
conflict
1. Attempt to modify the function 15-0
or 15-7
2. Voltage and current detection circuit
is abnormal
If Reset inverter is not
available, please send the
inverter back for repair
Factory setting
error
When PLC is Running, Perform
factory setting
Please
perform factory
setting before PLC stops.
Parameter setting
error copy unit
failed
1.Set 3-18=1.2 without connecting
copy unit.
2. Copy unit failed.
1.Modify 3-18
2.Replace copy unit
Parameter not
match
Copy the parameter to inverter to
verify the parameter is not match.
1.Rewrite again
2.Replace copy unit
LOC
Err1
Err2
Err5
Err6
Err7
Err8
EPr1
EPr2
