EN
Alarm
Description
code
8
Motor overtemperature The temperature detected by the PTC
9
Reserved
use)
10
CPU error
11
Parameter default
12
DCbus ripple
13
Data
communication
fault
14
Drive thermistor fault
15
Autotuning fault
16
Driver
disabled
input
open
energized)
17
Motor phase fault (**)
18
Reserved
use)
19
Speed fault
20
PFC module error
21
Power
overvoltage
22
Power
undervoltage
23
STO detection error
24
Reserved
use)
25
Ground fault
26
CPU sync error 1
27
CPU sync error 2
28
Drive overload
Pag. 32-EN
Possible cause
- wrong parameters values or inadequate
motor.
thermistor corresponds to a resistance >
2600 ohm.
(for
future
Loss of data in memory
Execution
of
command;
Parameters user setting corrupted
Input power supply phase loss, three-phase
power supply unbalance
Data reception failure
Internal fault
Wrong parameter values
(STO
Cable disconnected
or
de-
Operation of external contactor
24V power supply loss
Motor cable disconnected
(for
future
Wrong parameters values or unsuited load
PFC overcurrent
supply
Too high power supply voltage
supply
Too low power supply voltage
Internal fault
(for
future
The drive has detected a ground current too
high
Overload CPU
Loss of data in memory
The current supplied has exceeded the drive
rated current over the maximum time
accepted
Solutions
Reduce the motor load.
Check motor cooling.
Call for assistance
reset
parameter
default
Set parameters again
Check the input power supply phases to the
drive, reduce motor power (speed)
Check the serial connection. Switch the drive
off and back on again.
Call for assistance
Check the parameter values
Restart the command again
Check the wiring.
Restore external contactor
Check the connections of the motor cable
Switch the drive off and back on again and
check the parameters are properly set. Check
the motor load.
Call for assistance
Check input power supply and if inductive
load generating overvoltage are connected to
the line
Check input power supply
Call for assistance
Check ground insulation of the motor and
wires .
Call for assistance
Call for assistance
Check the load, the dimension of the motor
and the cables. Check the motor parameters.
OEM Manual – CUBO
UMT/WG T MT Rev3.0 – 08/10/2021
AQUA
2