Qirod QD100 Series User Manual

105
e-12
DC bus
undervolta
ge fault

Input voltage
is too low.

Adopt
forward/reverse speed
tracking and restart
function (STR function)
(f500 = 1)

Set f418= 2.
e-21
Inverter
overload

Acceleration
time is too short.

DC braking
current level is
too high.

V/f parameter
is wrongly set.

When the
inverter starts,
the load is still in
rotation.

The load is too
large.

Increase acceleration
parameter (f007 or
f617).

Reduce the setting of
f606 and f607.

Correctly set V/f
parameter.

Set parameter f501 =
2.

Use an inverter with
higher rated power.
e-22
Motor
overload

V/f parameter
is wrongly set.

The motor is
blocked.

The motor
continues to run
at low speed.

The load
applied to the
motor is too
large.

Correctly set V/f
parameter.

Check the load.
Code of
fault
Type of fault
Possible cause
Measures
(troubleshooting)

Qirod QD100 Series Specifications

General

Brand	Qirod
Model	QD100 Series
Category	DC Drives
Language	English