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VLT
®
6000 HVAC Series
WARNING/ALARM: 80
Fire Mode was active (FIRE MODE WAS ACTIVE)
Fire Mode has been activated via terminal 16 or
17. If the warning is shown after a power cycle
please contact your Danfoss supplier.
WARNING: 81
RTC not ready (RTC NOT READY)
The frequency converter has been de-energized for
more than aproc. 4 days or the frequency converter
was not on for 24 hours first time to charge the
back-up. As soon as a user re-programme the time
and week day this warning is dismissed
WARNING: 99
Unknown fault (UNKNOWN ALARM)
An unknown fault has occurred which the
software is not able to handle.
Contact your Danfoss supplier.
MG.61.A5.02 - VLT is a registered Danfoss trademark
146