Chapter 6 Troubleshooting
111
Ch
ap
ter 6
No
Failure
type
Failure type
Possible causes
Solutions
and write fault
panel
22 Err.22
Inverter
hardware fault
1.Overvoltage
2.Overcurrent
1.Eliminate overvoltage
fault
2.Eliminate overcurrent
fault
26 Err.26
Cumulative
running time
arrival fault
Cumulative running time arrival
fault
Clear history information
by using initialization
function parameters
27 Err.27
Custom fault 1
Input custom fault 1 signal through
the multi-function
terminal DI
Reset run
28 Err.28
Custom fault 2
Input custom fault 2 signal through
the multi-function
terminal DI
Reset run
29 Err.29
Total power- on
time arrival
fault
Total power-on time reaches the
set value
Clear history information
by using initialization
function parameters
30 Err.30
Load drop fault
The inverter running current is less
than F8.31
Confirm whether the load
is removed or not or the
settings for parameter
(F8.31, F8.32) accord with
the Actual operating
conditions
31 Err.31
PID feedback
loss when
running fault
PID feedback is less than the set
value of E2.11
Check PID feedback
signal or set E2.11 to an
appropriate value
40 Err.40
Quick current
limiting
fault
1.Whether the load is too large or
the motor stall occurs
2.The type selection of inverter is
small
1.Reduce the load and
check the motor and its
mechanical conditions
2.Choose the inverter with
large power level
41 Err.41
Switch motor
when running
fault
Change current motor through the
terminal when the inverter is
running
Switch motor after the
inverter stops
43 Err.43
Motor over
speed fault
1.The parameter was not identified
2.The setting for encoder
parameters is incorrect
3.The setting for motor overspeed
detection parameter(F8.13, F8.14)
is unreasonable.
1.Perform identification
for the motor parameters
2.Correctly set encoder
parameters
3.Reasonably set the
detection parameters
45 Err.45
Motor over
temperature
fault
1.The wiring of temperature sensor
is loose
2.The motor temperature is too
high
1.Detect the wiring of
temperature sensor wiring
and eliminate fault.
2.Decrease carrier
frequency or take other
cooling measures to cool
motor
51 Err.51
Initial position
error
The deviation between the motor
parameters and the actual
parameters is too large
Reconfirm the correct
motor parameters, focus
on whether the rated
current is set to too small
-
COF
Communicatio
1. Keyboard interface control panel 1.Test the keyboard
