Qirod QD100 Series User Manual

103
Code of
fault
Type of fault
Possible cause
Measures
(troubleshooting)
e-02
Interphase
short
circuit

Interphase
output is short
circuit.

Motor
impedance is
too low.

Confirm the wiring
and insulation status.
e-03
Starting
overcurrent

earthing failure

IGBT unit
damage

Confirm whether the
wiring and device are
earthing

Connect with factory
e-04
Earthing
fault

earthing failure

IGBT unit
damage

Confirm whether the
wiring and device are
earthing

Connect with factory
e-06
Underload
fault

Inverter’s
output current is
lower than low
current detection
threshold.

Check whether
f407~f410 are correctly
set.
e-07
Overtorque
fault

The motor
estimates that
the torque has
reached the
level set by f412.

Adjust the settings of
f411~f414.

Confirm the load
status.
Code of
Type of fault
Possible cause
Measures

Qirod QD100 Series Specifications

General

Brand	Qirod
Model	QD100 Series
Category	DC Drives
Language	English