Sinee EM500 - 9.3 FAULT ANALYSIS

EM500 Open-Loop Vector Control Inverter User Manual
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9.3 Fault Analysis
After power is on, due to improper function setting and incorrect wiring between
inverter and external control terminals, motor cannot meet the expected working
requirements. Fault analysis as described in this chapter can be taken as the reference to
take the corrective actions. If trip codes appear, see 9.1 for the corrective actions to clear
the trips.
9.3.1Parameters Unavailable for Setting

Clockwise or counter clockwise of potentiometer the parameter display remains
unchanged.
Some parameters can only be edited when inverter stops.

Clockwise or counter clockwise of potentiometer, the parameter display changed,
but they cannot be saved.
Some parameters cannot be edited since they are locked.
F12.02 chooses 1 or 2, that parameter cannot be changes will happen. Please F12.02
is set to 0. If the user password is enabled that parameter cannot be changes will happen
again.
9.3.2Abnormal Motor Operation

After pressing , motor does not run.

Start/Stop is in the terminal control mode: Check the setting of F00.02.

Coast-to-stop terminals FRS is connected to COM: Disconnect FRS from
COM.

When the terminal (Run Command Switched to Terminal) is on and run
command is only in terminal control mode: Switch the terminal off.

Status combination of run command input is in terminal control mode:
Change it to keypad control mode.

Setting reference input frequency= 0: Increase reference input frequency.

Power supply is abnormal or control circuit fails.

When control terminals RUN and F/R are ON, motor does not run.
 External terminal start/stop setting is disabled: Check the setting of F00.02.