15
AT.654254.050 ver.1.0
Troubleshooting manual
№
Potential problem/Message
on the controller display
Probable causes
of message displaying
Remedies
Defective electronic panel
The readings of the voltage
measurement in the network do
not coincide with the actually
measured
Replace the electronics panel
with a working one
23
Alarm «Phasing CBA» is dis-
played
The supply voltage has an incor-
rect phase sequence
Change the sequence of incom-
ing supply phases
24
Alarm «Backspin»
is displayed
There is a backspin motor rota-
tion
Wait until backspin rotation falls
below the setpoint
A tip on a long line running paral-
lel to other live lines
Run shielded cable, or increase
distance from other live conduc-
tors
25
Alarm «SCADA conn. error» is
displayed
Incorrect exchange protocol,
speed and address for communi-
cation with ACS selected
Set the correct exchange proto-
col, speed and address between
VSD and the upper level control-
ler; check what comes from the
controller
Incorrect connection made
Check the connection and make
the connection according to the
connection diagram.
Defective UMKA07 Controller
Replace the controller with a
working one
26
Alarm «USP conn. error» is dis-
played
Block USP not configured
Set speed and address in USP
settings
Block USP out of order
Replace USP
Defective UMKA07 controller
Replace the controller with a
working one
27
Alarm «A
-USP conn. er
ror» is
displayed
Block A-USP not configured
Set speed and address in A-USP
settings
Block A-USP out of order
Replace A-USP
Defective UMKA07 controller
Replace the controller with a
working one
28
Alarm «Din8Dout4 conn. error»
is displayed
Block Din8Dout4 not configured
Set speed and address in
Din8Dout4 settings
Block Din8Dout4 out of order
Replace Din8Dout4.
Defective UMKA07 controller
Replace the controller with a
working one
29
Alarm «STM conn. error» is
dis-
played
Defective UMKA07 controller
Replace the controller with a
working one
30
Alarm «T° UMKA» is displ
ayed
Defective UMKA07 controller
Replace the controller with a
working one
Protection enable setting low
Set settings according to factory
values
The ambient temperature of the
place where the controller is in-
stalled is too high
Ensure a decrease of ambient
temperature in the compartment
where the controller or VSD is in-
stalled
31
Alarm «Overtorch»
is displayed
The program determined that
during operation in PMM the vec-
tors of speed and moment do
not coincide
Check the correctness of the en-
tered motor parameters and VSD
settings and restart.
If it is not possible to eliminate,
please contact Triol service hav-
ing with you the VSD operation
log
32
Alarm «Overshoot»
is displayed
The program determined that in
the process of operation in PMM
Check the correctness of the en-
tered motor parameters and VSD
settings and restart.
