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VLT® Flow Drive FC 111
Programming Guide
5.5.29 WARNING 59, Current Limit
Cause
The current is higher than the value in parameter 4-18 Current Limit.
Troubleshooting
•
Ensure that the motor data in parameters 1-20 to 1-25 is set correctly.
•
Increase the current limit if necessary. Ensure that the system can operate safely at a higher limit.
5.5.30 ALARM 60, External Interlock
Cause
External interlock has been activated.
Troubleshooting
•
To resume normal operation, apply 24 V DC to the terminal programmed for external interlock and reset the drive (via serial
communication, digital I/O, or by pressing [Reset]).
5.5.31 WARNING 66, Heat Sink Temperature Low
Cause
This warning is based on the temperature sensor in the IGBT module.
The heat sink temperature measured as 0 °C (32 °F) could indicate that the temperature sensor is defective, thus causing the fan
speed to increase to the maximum. If the sensor wire between the IGBT and the gate drive card is disconnected, this warning is
produced.
Troubleshooting
•
Check the IGBT thermal sensor.
5.5.32 ALARM 69, Power Card Temperature
Cause
The temperature sensor on the power card is either too hot or too cold.
Troubleshooting
•
Check that the ambient operating temperature is within the limits.
•
Check for clogged filters.
•
Check fan operation.
•
Check the power card.
5.5.33 ALARM 70, Illegal FC Configuration
Cause
The control card and power card are incompatible.
Troubleshooting
•
To check compatibility, contact the Danfoss supplier with the type code from the unit nameplate and the part numbers on the
cards.
5.5.34 ALARM 79, Illegal Power Section Configuration
Cause
Internal fault.
Troubleshooting
Contact the local supplier.
5.5.35 ALARM 80, Drive Initialized to Default Value
Cause
Parameter settings are initialized to default settings after a manual reset.
Troubleshooting
To clear the alarm, reset the unit.
Danfoss A/S © 2021.07
Troubleshooting
AU363928304090en-000101 / 130R0982 | 201
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