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Errors (Alarms)
6.1 Errors (Alarms)
If any fault has occurred in the inverter, the corresponding protective function is
activated to bring the inverter to an alarm stop and automatically give the
corresponding error (alarm) indication on the PU display.
If the fault does not correspond to any of the following errors or if you have any other
problem, please contact your sales representative.
!
Retention of alarm output signal ... When the magnetic contactor (MC) provided on
the power supply side of the inverter is opened
at the activation of the protective function, the
inverter's control power will be lost and the alarm
output will not be held.
!
Alarm indication............................. When the protective function is activated, the
operation panel display automatically switches to
the above indication.
!
Resetting method .......................... When the protective function is activated, the
inverter output is kept stopped. Unless reset,
therefore, the inverter cannot restart. Switch
power off once, then on again; or apply the RES
signal for more than 0.1s. If the RES signal is
Kept on, "Err." appears (flickers) to indicate that
the inverter is being reset.
!
When the protective function is activated, take the corresponding corrective action,
then reset the inverter, and resume operation.
CAUTION
At occurrence of an inverter error, the protective function is activated to stop output. At
this time, you can not stop the motor abruptly. Therefore, provide machineries and
equipments which require for emergency stop with a mechanical stop and hold
mechanism.