Optidrive
ODV
‐
2
User
Guide
Revision
1.00
www.invertek.co.uk
37
Fault
Code
No.
OLED
Message
Description
Corrective
Action
U-Def
20
User
Parameter
Default
User
Parameter
Defaults
User
Parameter
default
has been
loaded.
Press
the
Stop
key. Three button
default
–
see
section
5.5
F-Ptc
21
Motor
PTC
over
heat
Motor
PTC
Over
Temperature
The
connected
motor
PTC
device
has
caused
the
drive
to
trip (analog
input
2
configured
for
PTC
device).
FaN-F
22
Cooling
Fan
Fault
Cooling
Fan
Fault
Check
and
if
necessary,
replace
the
drive
internal
cooling
fan
O-heat
23
Ambient
Temperature
High
Ambient
Temperature
too
High
The
measured
temperature
around
the
drive
is
above
the
operating
limit.
Ensure
the
drive
internal
cooling
fan
is
operating
Ensure
that
the
required
space
around
the
drive
as
shown
in
sections
3.6
has
been
observed,
and
that
the
cooling
airflow
path
to
and
from
the
drive
is
not
restricted
Increase
the
cooling
airflow
to
the
drive
Reduce
the
effective
switching
frequency
setting
in
parameter
P2
‐
24
Reduce
the
load
on
the
motor
/
drive
O_torq
24
Exceed
max
torque
Over
‐
Current
Error
Current
Monitoring
Function
has
detected
current
levels
above
the
normal
operating
condition
for
the
application.
Check
mechanical
load
has
not
changed
and
that
the
load
is
not
jammed
or
stalling.
For
pump
application
check
for
potential
pump
blockage
For
fan
applications
check
airstream
to
and
from
the
fan
is
not
restricted
U_torq
25
Output
torque
too
low
Under
‐
Current
Error
Current
Monitoring
Function
has
detected
current
levels
below
the
normal
operating
condition
for
the
application.
Check
for
mechanical
breakages
causing
loss
of
load
(e.g
belt
break).
Check
motor
has
not
become
disconnected
from
the
drive.
Out-F
26
Drive
Output
Fault
Drive
output
fault
Drive
output
fault,
refer
to
your
IDL
Authorised
Distributor
AtF-01
40
Autotune
fail
1
Autotune
Failed
Measured
motor
stator
resistance
varies
between
phases.
Ensure
the
motor
is
correctly
connected
and
free
from
faults.
Check
the
windings
for
correct
resistance
and
balance.
AtF-02
41
Autotune
fail
2
Measured
motor
stator
resistance
is
too
large.
Ensure
the
motor
is
correctly
connected
and
free
from
faults.
Check
that
the
power
rating
corresponds
to
the
power
rating
of
the
connected
drive.
AtF-03
42
Autotune
fail
3
Measured
motor
inductance
is
too
low.
Ensure
the
motor
is
correctly
connected
and
free
from
faults.
AtF-04
43
Autotune
fail
4
Measured
motor
inductance
is
too
large.
Ensure
the
motor
is
correctly
connected
and
free
from
faults.
Check
that
the
power
rating
corresponds
to
the
power
rating
of
the
connected
drive.
AtF-05
44
Autotune
fail
5
Measured
motor
parameters
are
not
convergent.
Ensure
the
motor
is
correctly
connected
and
free
from
faults.
Check
that
the
power
rating
corresponds
to
the
power
rating
of
the
connected
drive.
Sc-t01
50
Modbus
Comms
fault
Modbus
communication
error
detected
A
valid
Modbus
telegram
has
not
been
received
within
the
watchdog
time
limit
set
in
P5
‐
05
Check
the
network
master
/
PLC
is
still
operating
Check
the
connection
cables
Increase
the
value
of
P5
‐
05
to
a
suitable
level
Sc-t03
52
Option
Module
Fault
Fitted
communication Module
Fault
Internal
communication
to
the
inserted
Communications
Option
Module
has
been
lost.
Check
the
module
is
correctly
inserted
Sc-t04
53
IO
Card
Comms
fault
IO
card
comms
trip
Internal
communication
to
the
inserted
I/O
Option
Module
has
been
lost.
Check
the
module
is
correctly
inserted
