Troubleshooting and fault elimination, System error messages general error messages – Lenze EVF9333−xV User Manual
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Troubleshooting and fault elimination
System error messages
General error messages
9.5
9.5.1
l
9.5−2
EDSVF9333V EN 6.2−04/2012
Remedy
Cause
Description
Fault message
Remedy
Cause
Description
Display
No.
x018
OC8
I
2
xt overload advance warning
l
Frequent and too long
acceleration processes with
motor overcurrent.
l
Permanent motor overload
with I
motor
>I
rmotor
Check drive dimensioning.
2020
OU
Overvoltage in the DC bus
Braking energy is too high.
(DC−bus voltage is higher than set
in C0173.)
l
Use a braking unit or
regenerative module.
l
Check dimensioning of the
brake resistor.
1030
LU
Undervoltage in the DC bus
DC bus voltage is lower than
specified in C0173.
l
Check mains voltage
l
Check supply cable
x032
LP1
Motor phase failure
A current−carrying motor phase
has failed.
l
Check motor.
l
Check motor cable.
l
Switch off monitoring
(C0597 = 3).
The current limit value is set too
low.
l
Set higher current limit value
via C0599.
0050
OH
Heatsink temperature > +90
°C
Ambient temperature
T
u
> +40
°C or > +50 °C
l
Allow module to cool and
ensure better ventilation.
l
Check ambient temperature in
the control cabinet.
Heatsink is very dirty.
Clean heatsink.
Wrong mounting position
Change mounting position.
x053
OH3
Motor temperature
> +150
°C threshold
(temperature detection via
resolver or incremental value
encoder)
Motor is thermally overloaded
due to:
l
Impermissible continuous
current
l
Frequent or too long
acceleration processes
l
Check drive dimensioning.
l
Switch off monitoring
(C0583 = 3).
No PTC/temperature contact
connected.
Correct wiring.
x054
OH4
Heatsink temperature > C0122
Ambient temperature T
u
> +40
°C
or > +50
°C
l
Allow module to cool and
ensure better ventilation.
l
Check ambient temperature in
the control cabinet.
l
Switch off monitoring
(C0582 = 3).
Heatsink is very dirty.
Clean heatsink
Wrong mounting position
Change mounting position.
The value specified under C0122
is set too low.
Enter a higher value under C0122.
x057
OH7
Motor temperature > C0121
(temperature detection via
resolver or incremental value
encoder)
Motor is thermally overloaded
due to:
l
Impermissible continuous
current
l
Frequent or too long
acceleration processes
l
Check drive dimensioning.
l
Switch off monitoring
(C0584 = 3).
No PTC/temperature contact
connected.
Correct wiring.
The value specified under C0121
is set too low.
Enter a higher value in C0121.
x058
OH8
Motor temperature via inputs T1
and T2 is too high.
Motor is thermally overloaded
due to:
l
Impermissible continuous
current
l
Frequent or too long
acceleration processes
l
Check drive dimensioning.
l
Switch off monitoring
(C0585 = 3).
Terminals T1 and T2 are not
connected
Connect PTC/temperature
contact.