INVT DA180-S4R5SG0

DA180 series basic AC servo drive Fault handling
-267-
Code
Name
Possible cause
Workaround
the power cable is correct.
3. Check the setting of P4.35
[Enabling motor runaway
detection].
Er20-0
Speed deviation fault
In non-torque mode, the
deviation between the motor
speed and speed command
exceeds the setting of P4.39.
1. The motor phases U, V,
and W are in reverse
sequence or motor cables
are not connected.
2. The motor load is too
heavy, which causes motor
stalling.
3. The drive force is
insufficient, which causes
motor installing.
4. The speed loop control
parameters are set
improperly.
5. The setting of P4.39 is too
low.
1. Ensure the motor cable phases
are in correct sequence and
motor cables are connected
properly.
2. Check whether the conveyer
belt or chain is too tight or the
workbench reaches the boundary
or encounters obstacles. If yes,
resolve the problem.
3. Ensure the speed loop control
parameters are set properly, the
drive is not damaged, and the
servo system model is correct.
4. Increase the setting of P4.39.
5. Set P4.39 to 0, which disables
the detecting for a speed
deviation fault.
Er21-0
Position overtravel–CCW
In position mode, the CCW
limit switch is touched or the
accumulated feedback pulse
exceeds the setting of P0.35.
1. Ensure the CCW limit switch
signal is correct.
2. Ensure the setting of P0.35 is
proper.
Er21-1
Position overtravel–CW
In position mode, the CW
limit switch is touched or the
accumulated feedback pulse
exceeds the setting of P0.36.
1. Ensure the CW limit switch
signal is correct.
2. Ensure the setting of P0.36 is
proper.
Er22-0
Position deviation fault
1. Server response time is
too slow. Therefore the
residual pulses exceed the
setting of P4.33.
2. The motor load is too
heavy, which causes motor
1. Check whether the conveyer
belt or chain is too tight or the
workbench reaches the boundary
or encounters obstacles. If yes,
resolve the problem.
2. Increase the settings of