No.
Description
Warning
Alarm/Trip
Alarm/Trip Lock
Parameter Reference
1
10 Volts low
X
2
Live zero error
(X)
(X)
6-01
3
No motor
(X)
1-80
4
Mains phase loss
(X)
(X)
(X)
14-12
5
DC link voltage high
X
6
DC link voltage low
X
7
DC over voltage
X
X
8
DC under voltage
X
X
9
Inverter overloaded
X
X
10
Motor ETR over temperature
(X)
(X)
1-90
11
Motor thermistor over temperature
(X)
(X)
1-90
12
Torque limit
X
X
13
Over Current
X
X
X
14
Earth fault
X
X
X
15
Hardware mesh mash
X
X
16
Short Circuit
X
X
17
Control word timeout
(X)
(X)
8-04
25
Brake resistor short-circuited
X
26
Brake resistor power limit
(X)
(X)
2-13
27
Brake chopper short-circuited
X
X
28
Brake check
(X)
(X)
2-15
29
Power board over temp
X
X
X
30
Motor phase U missing
(X)
(X)
(X)
4-58
31
Motor phase V missing
(X)
(X)
(X)
4-58
32
Motor phase W missing
(X)
(X)
(X)
4-58
33
Inrush fault
X
X
34
Fieldbus communication fault
X
X
38
Internal fault
X
X
47
24 V supply low
X
X
X
48
1.8 V supply low
X
X
50
AMA calibration failed
X
51
AMA check U
nom
and I
nom
X
52
AMA low I
nom
X
53
AMA motor too big
X
54
AMA motor too small
X
55
AMA parameter out of range
X
56
AMA interrupted by user
X
57
AMA timeout
X
58
AMA internal fault
X
X
59
Current limit
X
61
Tracking Error
(X)
(X)
4-30
62
Output Frequency at Maximum Limit
X
64
Voltage Limit
X
65
Control Board Over-temperature
X
X
X
66
Heat sink Temperature Low
X
67
Option Configuration has Changed
X
68
Safe Stop Activated
X
80
Drive Initialised to Default Value
X
Table 9.1: Alarm/Warning code list
(X) Dependent on parameter
LED indication
Warning
yellow
Alarm
flashing red
Trip locked
yellow and red
9. Troubleshooting
VLT
®
AQUA Drive
Operating Instructions
142
MG.20.M5.02 - VLT
®
is a registered Danfoss trademark
9
