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
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