Hitachi Over L. fault code meaning
Hitachi / Over L.
Series: HFC-VWS
Inverter overload (overloaded operation)
AC drive
Meaning: When the motor is overloaded the output is cut off. Check whether the load is too heavy and whether the electronic thermal level is correct. | Reduce the load; adjust F-23 F-therm (see page 9-26).
Possible causes
Source: Hitachi HFC-VWS Instruction Manual P51