MG.20.B6.02 – VLT is a registered Danfoss trademark
83
VLT
®
2000 Series
Section 1
Section 2
Section 3
*) The time is reduced at a higher switch frequency.
Reset messages
Messages
Caused by
Consequence
Reset
AUTO START
VLT tripped
The VLT attempts to restart
- -
TRIP
Fault condition of the VLT
The power section
Yes
or the motor
section of the VLT stops
TRIP LOCKED
Fault condition (over temp., short
The power section
No, power off
circuit, ground fault) of the VLT
of the VLT stops
required,
then reset
Messages
Caused by
Consequence
Reset possible
CURRENT LIMIT
Over load
VLT decreases speed
- -
VOLTAGE HIGH
Regenerative motor operation
The power section of the VLT
- -
or supply voltage too high
stops within 5 sec.
VOLTAGE LOW
Missing phase or low supply
The power section of the VLT
- -
stops within 5 sec.
INVERT TIME
Inverter overload
At 98.2% load VLT displays
- -
the following warning:
“INVERTER TIME”.
At 100% load:
“ALARM OVERLOAD”
MOTOR TIME
Motor overload
VLT operates at least 60 sec. *)
- -
VLT operates between 100% and
depending on the value of
160% of nominal motor power
the load before the power
section of the VLT stops
LO FRQ WARN
Output frequency lower than
Depending on application
the value in parameter 210
Warning only
HI FRQ WARN
Output frequency higher than
Depending on application
- -
the value in parameter 211
Warning only
HI CUR WARN
Motor current higher than
Depending on application
- -
the value in parameter 213
Warning only
■
Display messages
Warning messages
■
