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
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Display messages
Warning messages
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