Hitachi E21 fault code meaning
Hitachi / E21
Series: L100
Thermal relay protection
AC drive
Meaning:
Possible causes
Source:
Series: L300P, SJ300-EL, SJ300
Temperature fault
AC drive
Meaning:
Possible causes
Source:
Series: SJ200
Inverter heat
AC drive
Meaning:
Possible causes
Source: