Triggered when AP1-55 is set to ‗2‘ and all auxiliary
motors are interlocked during an MMC operation.
Triggered when the pump clean operation is operated
frequently. The conditions may be modified with
theAP2-36–AP2-37 settings.
Triggered when a pipe is broken during the pump
operation. Set PRT-60.
Triggered when the inverter output current or power is
lower or higher than the values set by the user. Set the
values at PRT-71–PRT-77.
Triggered when PRT-91 is set to Free Run
Option Protection
Displayed when a frequency or operation command
error is detected during inverter operation by controllers
other than the keypad (e.g., using a terminal block and
a communication mode). Activate by setting PRT-12 to
any value other than ‗0‘.
Displayed when the I/O board or external
communication card is not connected to the inverter or
there is a bad connection.
Displayed when communication fails during parameter
writing. Occurs due to a control cable fault or a bad
connection.
Displayed when a communication error is detected
between the inverter and the communication board.
Occurs when the communication option card is
installed.
9.1.2 Warning Message
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