Danfoss VLT 2800 Operations Instructions download pdf (Page 27)

1.9.1 Warnings/alarm messages

No. Description W A T Cause of Problem

2 Live zero error (LIVE ZERO

ERROR)

X X X Voltage or current signal on terminals 53 or 60

is below 50% of preset value.

4 Mains phase loss (MAINS

PHASE LOSS)

X X X No phase on mains supply side.

5 Voltage warning high (DC

LINK VOLTAGE HIGH)

X The intermediate circuit voltage exceeds the lim-

it set.

6 Voltage warning low (DC

LINK VOLTAGE LOW)

X The intermediate circuit voltage is lower the limit

set.

7 Overvoltage (DC LINK

OVERVOLT)

X X X The intermediate voltage exceeds the limit set.

8 Undervoltage (DC LINK UN-

DERVOLT)

X X X The intermediate voltage is lower than the limit

set.

9 Inverter overload (INVER-

TER TIME)

X X The frequency converter is close to tripping due

to overload.

10 Motor overloaded ( MOTOR,

TIME)

X X The motor is too hot due to overload.

11 Motor thermistor (MOTOR

THERMISTOR)

X X Either the motor is too hot or the thermistor has

been disconnected.

12 Current limit (CURRENT

LIMIT)

X X Output current is higher than set in par. 221.

13 Overcurrent (OVERCUR-

RENT)

X X X The peak current limit has been exceeded.

14 Earth fault (EARTH FAULT) X X Discharge from output phases to earth.

15 Switch mode fault (SWITCH

MODE FAULT)

X X Fault in switch mode power supply.

16 Short-circuit (CURR. SHORT

CIRCUIT)

X X Short-circuit on the motor terminals or in the

motor.

17 Serial communication time-

out (STD BUS TIMEOUT)

X X No serial communication to the frequency con-

verter.

18 HPFB bus timeout (HPFB

TIMEOUT)

X X No serial communication to the communication

option card.

33 Out of frequency range

(OUT FREQ RNG/ROT LIM)

X Output frequency has reached the limit set in

either par. 201 or par. 202.

34 HPFB communication fault

(PROFIBUS OPT. FAULT)

X X Fault only occurs in fieldbus versions. Please see

par. 953 in fieldbus literature.

35 Inrush fault (INRUSH

FAULT)

X X Connected to mains too many times within 1 mi-

nute.

36 Overtemperature (OVER-

TEMPERATURE)

X X The upper temperature limit has been exceeded.

37-45 Internal fault (INTERNAL

FAULT)

X X Please contact Danfoss.

W: Warning, A: Alarm, T: Trip locked

1 Quick Guide VLT 2800 Quick Guide

MG.28.M1.02 - VLT

is a registered Danfoss trademark

Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.ctiautomation.net - Email: [email protected]

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Danfoss VLT 2800 Operations Instructions Page 27

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