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FAULT / ERROR CODES DESCRIPTION
Fault / Error Code Description
E01 Over-current event while at constant speed
E02 Over-current event during deceleration
E03 Over-current event during acceleration
E04 Over-current event during other conditions
E05 Electronic thermal overload protection (motor current > b012)
E06 Dynamic braking resistor over used error. Check incoming voltage for spikes.
E07 DC-Bus over-voltage error. Check incoming voltage for spikes.
E08 Memory error / CPU error
E09 Undervoltage error. Check incoming voltage for low power / brown / sags.
E10 Built-in current detector error
E12 External trip error (digital input configured for Ext)
E13
This error occurs if an operation command has been input to the inverter when the power supply is
turned ON. Operation command detection is carried out for 1 second after the power supply is turned
ON. (When USP function is selected.)
E14 Ground fault error
E15 Incoming voltage error (input power supply is too high)
E021
Inverter thermal trip
inverter internal temperature is above the threshold
E030 IGBT error (ground fault to motor or on output of VFD) check motor leads or motor is shorted.
E35 Thermistor error
E36 Brake error
E038 Low-speed range overload error
E040 Operator keypad communication error
E041 RS485 / EZCOM communication error When C076 = 0
E043 / E044 / E045
Internal Program illegal instruction error
Typically indicated the internal program has been deleted using a factory default or the internal
program memory is corrupted. Contact Detroit Hoist.
E80 Encoder disconnection
E81 Excessive speed / Over-speed
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