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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
26
MG.28.M1.02 - VLT
®
is a registered Danfoss trademark
1