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VFD68 Variable Frequency Drives (575 VAC)

Fault E.OC1 Over-current trip during acceleration

E.OC2 Over-current trip during constant speed

E.OC3 Over-current trip during deceleration or stop

E.OV1 Regenerative over-voltage during acceleration

E.OV2 Regenerative over-voltage trip during constant

speed

E.OV3 Regenerative over-voltage trip during deceleration

or stop

E.THT Inverter overload trip (electronic thermal O/L relay

function)

E.THM Motor overload trip (electronic thermal O/L relay

function)

E.FIN Heatsink overheat

E.ILF Input phase loss (not used)

E.OLT Stall prevention stop

E. BE Brake transistor alarm detection

E.GF Output side earth (ground) fault over-current at start

(not used)

E.LF Output phase loss

E.OHT External thermal relay operation (not used)

E.PTC PTC thermistor operation (not used)

E.PE Parameter storage device fault (not used)

E.PUE PU disconnection (not used)

E.RET Retry count excess

E.5 CPU fault

E.CPU

E.CDO Output current detection value exceeded (not used)

E.IOH Inrush current limit circuit fault

E.AIE Analog input fault

E.SAF Safety circuit fault

Table 18: Indicator Messages (Part 2 of 2)

Operation Panel Indication Name

Johnson Controls PENN VFD68 User Manual

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