FC 300 Operating Instructions
Troubleshooting
WARNING 64
Voltage Limit:
The load and speed combination demands a motor
voltage higher than the actual DC link voltage.
WARNING/ALARM/TRIP 65
Control Card Over Temperature:
Control card over temperature: The cut-out
temperature of the control card is 80° C.
WARNING 66
Heatsink Temperature Low:
The heat sink temperature is measured as 0° C. This
could indicate that the temperature sensor is defect
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 has either been added or
removed since the last power-down.
ALARM 68
Safe Stop Activated:
Safe Stop has been activated. To resume normal
operation, apply 24 V DC to terminal 37, then send
a reset signal (via Bus, Digital I/O, or by pressing
[RESET]).
ALARM 80
Drive Initialised to Default Value:
Parameter settings are initialised to default setting
after a manual (three-finger) reset.
58
MG.33.A2.02 - VLT is a registered Danfoss trademark