Danfoss VLT Midi Drive FC 280 Programming Guide

Troubleshooting
•
Remove power and check if the motor shaft can
be turned.
•
Check that the motor size matches the frequency
converter.
•
Check parameters 1-20 to 1-25 for correct motor
data.
ALARM 14, Earth (ground) fault
There is current from the output phases to ground, either
in the cable between the frequency converter and the
motor, or in the motor itself.
Troubleshooting
•
Remove power to the frequency converter and
repair the ground fault.
•
Check for ground faults in the motor by
measuring the resistance to ground of the motor
cables and the motor with a megohmmeter.
ALARM 16, Short circuit
There is short-circuiting in the motor or motor wiring.
•
Remove power to the frequency converter and
repair the short circuit.
WARNING/ALARM 17, Control word timeout
There is no communication to the frequency converter.
The warning is only active when parameter 8-04 Control
Word Timeout Function is NOT set to [0] O.
If parameter 8-04 Control Word Timeout Function is set to [5]
Stop and Trip, a warning appears. The frequency converter
then ramps down until it trips, while giving an alarm.
Parameter 8-03 Control Timeout Time could possibly be
increased.
Troubleshooting
•
Check connections on the serial communication
cable.
•
Increase parameter 8-03 Control Word Timeout
Time.
•
Check the operation of the communication
equipment.
•
Verify a proper installation based on EMC
requirements.
ALARM 30, Motor phase U missing
Motor phase U between the frequency converter and the
motor is missing.
Troubleshooting
•
Remove power from the frequency converter and
check motor phase U.
ALARM 31, Motor phase V missing
Motor phase V between the frequency converter and the
motor is missing.
Troubleshooting
•
Remove power from the frequency converter and
check motor phase V.
ALARM 32, Motor phase W missing
Motor phase W between the frequency converter and the
motor is missing.
Troubleshooting
•
Remove power from the frequency converter and
check motor phase W.
ALARM 38, Internal fault
When an internal fault occurs, a code number is shown.
Troubleshooting
See Table 6.3 for the causes and solutions for dierent
internal faults. If the fault persists, contact the Danfoss
supplier or service department for assistance.
Fault
number
Cause Solution
140–142 Power board
EEPROM data error
Upgrade the software in the
frequency converter to the
latest version.
176 The rmware in the
frequency converter
does not match the
frequency converter.
Upgrade the software in the
frequency converter to the
latest version.
256 Flash ROM
checksum error
Upgrade the software in the
frequency converter to the
latest version.
2304 Firmware mismatch
between the control
card and the power
card.
Upgrade the software in the
frequency converter to the
latest version.
2560 Communication
error between the
control card and the
power card.
Upgrade the software in the
frequency converter to the
latest version. If the alarm
occurs again, check the
connection between the
control card and the power
card.
3840 Serial ash version
error
Upgrade the software in the
frequency converter to the
latest version.
4608 Frequency converter
power size error
Upgrade the software in the
frequency converter to the
latest version. If the alarm
occurs again, contact a Danfoss
supplier.
5632 Option hardware
version error
The hardware version of the
option or the eldbus variant is
not compatible with the
frequency converter software.
5888 Option software
version error
The software version of the
option or the eldbus variant is
not compatible with the
frequency converter software.
Change either the eldbus
software or the frequency
converter software.
Troubleshooting Programming Guide
MG07C102 Danfoss A/S © 12/2015 All rights reserved. 137
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Danfoss VLT Midi Drive FC 280 Specifications

General

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