Troubleshooting and fault elimination, System error messages general error messages – Lenze EVF9333−xV User Manual

Page 456

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Troubleshooting and fault elimination

System error messages
General error messages

9

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.

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