Chapter 13 Warning CodesC2000 Plus
ID No. Display on LCD Keypad Warning Name Description
17
Over speed warning
(oSPd)
Over speed warning
Action and Reset
Action condition The encoder feedback speed > Pr.10-10
Action time Pr.10-11
Warning setting parameter
Pr.10-12=0
0: Warn and keep operation
Reset method “Warning” automatically clears when the drive stops
Reset condition “Warning” automatically clears when the drive stops
Record N/A
Cause Corrective Actions
Improper setting for Pr.10-25 FOC
bandwidth of speed observer
Decrease setting value for Pr.10-25.
Improper bandwidth setting for
ASR speed controller
Increase the bandwidth setting for ASR speed controller.
Incorrect motor parameter setting
Reset motor parameter and run parameter tuning.
Malfunction caused by
interference
Verify wiring of the control
circuit, and wiring/grounding of the main circuit to
prevent interference.
oSPd
Over Speed Warn
Warning
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