Danfoss VLT Midi Drive FC 280 Programming Guide

Fault
number
Cause Solution
6144 The option is not
supported
Check if the product supports
this option.
6400 The option
combination error
Remove the option.
Other Other internal faults Power cycle the frequency
converter. If the alarm occurs
again, contact a Danfoss
supplier.
Table 6.3 Internal Fault List
WARNING 47, 24 V supply low
The 24 V DC is measured on the control card.
ALARM 51, AMA check U
nom
and I
nom
The settings for motor voltage, motor current, and motor
power are wrong.
Troubleshooting
•
Check the settings in parameters 1-20 to 1-25.
ALARM 52, AMA low I
nom
The motor current is too low.
Troubleshooting
•
Check the setting in parameter 1-24 Motor Current.
ALARM 53, AMA motor too big
The motor is too large for the AMA to operate.
ALARM 54, AMA motor too small
The motor is too small for the AMA to operate.
ALARM 55, AMA parameter out of range
The parameter values of the motor are outside of the
acceptable range. AMA does not run.
ALARM 56, AMA interrupted by user
The AMA is manually interrupted.
ALARM 57, AMA internal fault
Try to restart AMA again. Repeated restarts can overheat
the motor.
ALARM 58, AMA Internal fault
Contact a Danfoss supplier.
WARNING 59, Current limit
The current is higher than the value in
parameter 4-18 Current Limit.
Troubleshooting
•
Ensure that motor data in parameters 1-20 to 1-25
are set correctly.
•
Possibly increase the current limit.
•
Be sure that the system can operate safely at a
higher limit.
WARNING 60, External interlock
A digital input signal indicates a fault condition external to
the frequency converter. An external interlock has
commanded the frequency converter to trip.
Troubleshooting
•
Clear the external fault condition.
•
To resume normal operation, apply 24 V DC to
the terminal programmed for external interlock.
•
Reset the frequency converter.
ALARM 80, Drive initialised to default value
Parameter settings are initialized to default settings after a
manual reset.
Troubleshooting
•
To clear the alarm, reset the unit.
ALARM 95, Broken belt
Torque is below the torque level set for no load, indicating
a broken belt. Parameter 22-60 Broken Belt Function is set
for alarm.
Troubleshooting
•
Troubleshoot the system and reset the frequency
converter after clearing the fault.
Troubleshooting
VLT
®
Midi Drive FC 280
138 Danfoss A/S © 12/2015 All rights reserved. MG07C102
6
6

Danfoss VLT Midi Drive FC 280 Specifications

General

Brand	Danfoss
Model	VLT Midi Drive FC 280
Category	DC Drives
Language	English