User Manual of A90 Series Inverter
259
properly during parameter
identification.
3.
The motor is not connected.
4.
The rotary self-learning
motor is not disconnected
from the load.
5.
The motor fails.
3.
Check the connection
between the inverter and
motor.
4.
Disconnect the rotary
self-learning motor from the
load.
5.
Check the motor.
E26
Load loss
protection
1.
The motor is not connected
or does not match the
load.
2.
Load loss occurs.
3.
The parameters of load loss
protection are not set
reasonably.
1.
Check the wiring and use
the appropriate motor
2.
Check the equipment.
3.
Change the off-load
detection level F07.22 and
detection time F07.23.
E27
Up to cumulative
power-on time
The inverter maintenance time
is up.
Contact the dealer for technical
support.
E28
Up to cumulative
running time
The inverter maintenance time
is up.
Contact the dealer for technical
support.
When the inverter has an aforesaid fault, press the STOP/RESET key
STOP
RESET
to for
resetting/clearing or use the fault resetting terminal to exit the fault status. If the fault has
been eliminated, the inverter will return to the function setting status; otherwise, the digital
tube will continue to display the current fault information.
The following numbers are used to read the fault type through communication:
0
E01
E02
E03
E04
E05
E06
E07
E08
E09
E10
0
1
2
3
4
5
6
7
8
9
10
E11 and subsequent faults are represented by the numbers behind the letter “E”. For
example, “E11” corresponds to the number “11”.
Comparison table of English uppercase display:
a
b
c
d
e
f
g
h
i
l
A
B
C
D
E
F
G
H
I
L
n
o
p
q
r
s
t
u
x
y
N
O
P
Q
R
S
T
U
X
Y
Comparison table of digital font display:
1
2
3
4
5
6
7
8
9
0
