
127
12
0
E-120
Current
sensor
error
Current
sensor
damaged or external
interference too large
Check the ground wiring or
contact us
1
E-121
U phase current
sampling
zero
calibration
value
error
Current
sensor
damaged or external
interference too large
Check the ground wiring or
contact us
2
E-122
V phase current
sampling
zero
calibration
value
error
Current
sensor
damaged or external
interference too large
Check the ground wiring or
contact us
13
0
E-130
Motor quadrature
encoder AB or
UVW
broken
circuit
AB or UVW broken
circuit
Cut off the drive power, Check the
wiring, then repower the drive
14
2
E-142
Motor encoder Z
phase
disconnected
Z phase disconnected
Cut off the drive power, Check the
wiring, then repower the drive
15
0
E-150
Motor
encoder
UVW
phase
disconnected
UVW
phase
disconnected
Check the wiring of UVW
16
0
E-160
Motor
output
power overload
Motor output power
over the rated power
1. Change larger power motor
2. Check the motor shaft wiring
1
E-161
The heating power
overload
Motor overheating
1. Change larger power motor
2. Check the motor shaft wiring
4
E-164
The bus capacitor
overload
Power
supply
not
stable, motor load too
large, cause the bus
capacitor
charge
frequently
1. use 3 phase 220V power supply
for 220V drive
2. change larger power motor
5
E-165
locked rotor alarm
(drive
version
U2-23=12.24&750
W
and
down
model support)
Locked rotor time up
to
P0-70(unit
is
second)
and
motor
speed
lower
than
P0-71(unit is 1rpm),
motor present output
torque
larger
than
P3-28, P3-29
1. monitor U0-02 motor torque,
check if P3-28, P3-29 torque limit
value is reasonable
2. check the mechanical structure
17
0
E-170
Motor
undervoltage when
running
Bus voltage too low
when running
1. check the power grid voltage
fluctuation
2. wait the bus voltage stable, then
repower
20
0
E-200
Regenerative
resistor overload
Regenerative resistor
discharging
power
over the rated
Change larger power regenerative
resistor
1
E-201
Regenerative
resistor discharge
too long time
Regenerative resistor
connection error or
value too large
Change small value resistor and
check the wiring
22
0
E-220
Absolute encoder
communication
error
1. Encoder not connect
or contactor not good
Cut off drive power, check
encoder wiring, use multi-meter
test the connection
2. recived encoder data
error, and error time
over
encoder
error
time register P0-56
value
Not put the encoder wire together
with the strong power supply
cable, install filter at servo drive
power supply input side, install
magnet ring around encoder wire,
far away from large noise
equipment
2
E-222
Absolute encoder
battery
voltage
The battery voltage is
lower than 2.75V
Please change new battery when
the servo power is on, the battery