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EVS93xx

1030

Remedy
  • Check mains voltage
  • Check supply cable
Cause

DC bus voltage is lower than specified in C0173.

Description

Undervoltage in the DC bus

Keypad display

LU

Fault message ID
1030
Severity/response

cawc

Servo inverter type
EVS93xx

1020

Remedy
  • Use braking unit or regenerative module.
  • Check dimensioning of the brake resistance.
Cause

Braking energy is too high. (DC−bus voltage is higher than set in C0173.)

Description

Overvoltage in DC bus

Keypad display

OU

Fault message ID
1020
Servo inverter type
EVS93xx

x018

Remedy

Check drive dimensioning.

Cause
  • Frequent and too long acceleration processes with motor overcurrent.
  • Permanent motor overload with Imotor >Irmotor
Description

I2xt overload advance warning

Keypad display

OC8

Fault message ID
x018
Servo inverter type
EVS93xx

0016

Remedy

Check drive dimensioning.

Cause
  • Frequent and too long acceleration processes with motor overcurrent.
  • Permanent motor overload with Imotor >Irmotor
Description

I2xt overload

Keypad display

OC6

Fault message ID
0016
Servo inverter type
EVS93xx

0015

Remedy

Check drive dimensioning.

Cause
  • Frequent and too long acceleration with overcurrent
  • Continuous overload with Imotor > 1.05 x Irx
Description

I x t overload

Keypad display

OC5

Fault message ID
0015
Servo inverter type
EVS93xx

0012

Remedy
  • Search for cause of short circuit.
  • Check motor cable.
Cause

One of the motor phases has
earth contact.

Description

Motor cable earth fault

Keypad display

OC2

Fault message ID
0012
Servo inverter type
EVS93xx

0011

Remedy
  • Search for cause of short circuit.

  • Check motor cable.

    Use motor cable which is shorter
    or of lower capacitance.

Cause

Short circuit

Excessive capacitive charging
current in the motor cable.

Description

Short circuit of motor cable

Keypad display

OC1

Fault message ID
0011
Servo inverter type
EVS93xx
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