FC 300 Instruction Manual
Warnings and Alarms
WARNING 61
Encoder loss:
Contact your Danfoss supplier.
WARNING 62
Output Frequency at Maximum Limit:
The output frequency is higher than the
value set in par. 4 -19
ALARM 63
Mechanical Brake Low:
The actual motor current has not exceeded
the “release brake” current within the “Start
delay” time window.
WARNING 64
Voltage Limit:
The l oad and speed combination demands a motor
voltage higher than the actual DC link voltage.
WARNING/ALARM/TRIP 65
Control Card Overtemperature:
Control card overtemperature: The cut-out
temperature of the control card is 176°F [80°C].
WARNING 66
Heatsink Tem perature Low:
The heatsink temp erature is m easured as 32°F
[0°C]. This could indicate that the temperature
sensor is defective and thus the fan speed is
increased to the maximum in case the power
part or control card is very hot.
ALARM 67
Option Configuration has Changed:
One or more options have either been added or
removed since the last power-down.
ALARM 68
Safe Stop Activ ated:
Safe Stop has been activated. To resum e normal
operation, apply 24 V D C to terminal 37, then
send a reset signal (via bus, digital I/O, or by
pressing [RESET]). For correct and safe use of the
Safe Stop function, follow the related informatio
n
and instructions in the Design Guid e
ALARM 70
Illegal Frequency Co n figu ra tion:
Actual combination of control board and
power board is illeg al.
ALARM 80
Drive Initialized to Default Value:
Parameter settings are initialized to default setting
after a manual (three-finger) reset.
66
MG.33.A6.22 - VLT is a registered Danfoss trademark
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