Chapter 13 Warning CodesC2000 Plus
ID No. Display on LCD Keypad Warning Name Description
105
Estimated speed
reverse (SpdR)
Estimated speed is
in a reverse direction with motor
actual running direction
Action and Reset
Action condition Software detection
Action time Pr.10-09
Warning setting parameter
Pr.10-08
0: Warn and keep operation
1: Fault and coast to stop
2: Fault and ramp to stop
Reset method Manual reset
Reset condition Immediately resets
Record N/A
Cause Corrective Actions
The motor runs in reverse
direction at start
Check if the motor is hold when started, or start the motor with speed source.
The difference between motor
parameter measured Rr and Rs
value is too large
Normally the Rr value of IM is Rs*0.7
. If there is much difference of the measured
value (e.g. Rr=Rs*0.3), proceed the motor parameter auto-tuning again.
Insufficient output torque is
dragged to the reverse direction by
the load.
Increase the current limit of Pr.06-12, so as to increase the output torque.
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