VLT
®
4000 VT
All about VLT 4000
VT
WARNING: 68
Remote reference high (REF. > REF HIGH)
The remote reference is higher than parameter 226
Warning:
High reference, REF
HIGH
.
WARNING: 69
Temperature auto derate (TEMP.AUTO DERATE)
The heat sink temperature has exceeded the maximum
value and the auto derating function (par. 411) is
active.
Warning: Temp. Auto derate.
WARNING: 99
Unknown fault (UNKNOWN ALARM)
An unknown fault has occurred which the
software is not able to handle.
Contact your Danfoss supplier.
MG.40.A7.22 - VLT is a registered Danfoss trademark
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