Causes and corrective actions
If protective functions with indication of "Fault" are activated when using the FR-PU07, "ERR"
appears in the faults history of FR-PU07.
If faults other than the above appear, contact your sales representative.
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24 V external power supply operation
Flickers when the main circuit power supply is off and the 24 V external power supply is being
Power is supplied from a 24 V external power supply.
Turning ON the power supply (main circuit) of the inverter clears the indication.
If the indication is still displayed after turning ON of the power supply (main circuit) of the
inverter, the power supply voltage may be low, or the jumper between the terminals P/+
and P1 may be disconnected.