Danfoss VLT AQUA Drive FC 202 Programming Guide

5 Troubleshooting
5.1 Status Messages
5.1.1 Warnings/Alarm Messages
A warning or an alarm is signaled by the relevant LED on
the front of the frequency converter and indicated by a
code on the display.
A warning remains active until its cause is no longer
present. Under certain circumstances, operation of the
motor may still continue. Warning messages may be
critical, but are not necessarily so.
An alarm trips the frequency converter. Reset alarms to
restart operation once their cause has been rectied.
This can be done in 3 ways
•
By pressing [Reset].
•
Via a digital input with the reset function.
•
Via serial communication/optional eldbus.
NOTICE
After a manual reset pressing [Reset], press [Auto On] to
restart the motor.
If an alarm cannot be reset, its cause may not have been
rectied, or the alarm is trip-locked (see also Table 5.1).
Alarms that are trip-locked
oer extra protection, meaning
that the mains supply must be switched o before the
alarm can be reset. After being switched back on, the
frequency converter is no longer blocked and may be reset
as described above once the cause has been rectied.
Alarms that are not trip-locked can also be reset using the
automatic reset function in parameter 14-20 Reset Mode.
NOTICE
Automatic wake-up is possible!
If a warning and alarm are marked against a code in
Table 5.1, this means that either a warning occurs before
an alarm, or else that it is possible to specify whether it is
a warning or an alarm that is to be shown for a given
fault.
This is possible, for instance, in parameter 1-90 Motor
Thermal Protection. After an alarm or trip, the motor carries
on coasting, and the alarm and warning ash. Once the
problem has been rectied, only the alarm continues
ashing until the frequency converter is reset.
NOTICE
No missing motor phase detection (numbers 30–32) and
no stall detection is active when parameter 1-10 Motor
Construction is set to [1] PM non-salient SPM.
Num
-
ber
Description Warning Alarm/Trip Alarm/Trip Lock Parameter
reference
1 10 volts low X – –
2 Live zero error (X) (X) – Parameter 6-01 Live Zero Timeout
Function
3 No motor (X) – – Parameter 1-80 Function at Stop
4 Mains phase loss (X) (X) (X) Parameter 14-12 Function at
Mains Imbalance
5 DC-link voltage high X – – –
6 DC-link voltage low X – – –
7 DC overvoltage X X – –
8 DC undervoltage X X – –
9 Inverter overloaded X X – –
10 Motor ETR overtemperature (X) (X) – Parameter 1-90 Motor Thermal
Protection
11 Motor thermistor overtemperature (X) (X) – Parameter 1-90 Motor Thermal
Protection
12 Torque limit X X – –
13 Overcurrent X X X –
Troubleshooting Programming Guide
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Danfoss VLT AQUA Drive FC 202 Specifications

General

Brand	Danfoss
Model	VLT AQUA Drive FC 202
Category	DC Drives
Language	English