Frequency Inverter ST600 Series High-Performance Multifunction VFD Basic Operation Instructions
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70: EC PT100 detected overheating (OtE1)
71: EC PT1000 detected overheating (OtE2)
72: EtherNet/IP communication timeout (E-
EIP)
73: No upgrade bootload (E-PAO)
74: AI1 disconnected (E-AI1)
75: AI2 disconnected (E-AI2)
76: AI3 disconnected (E-AI3)
Running frequency at present
fault
Ramps reference frequency at
present fault
Output voltage at present fault
Output current at present fault
Bus voltage at present fault
Max. temperature at present
fault
Input terminal state at present
fault
Output terminal state at
present fault
Running frequency at last fault
Ramps reference frequency at
last fault
Output voltage at last fault
Output current at last fault
Bus voltage at last fault
Max. temperature at last fault
Input terminal state at last fault
Output terminal state at last
fault
Running frequency at last but
one fault
Ramps reference frequency at
last but one fault
Output voltage at last but one
fault
Output current at last but one
fault
Bus voltage at last but one
fault
Max. temperature at last but