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 mismatch   X X  
16 Short Circuit   X X  
17 Control word timeout (X) (X)   8-04
23 Internal Fan Fault X      
24 External Fan Fault X     14-53
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 Drive over temperature 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    
35 Out of frequency range X X    
36 Mains failure X X    
37 Phase Imbalance X X    
38 Internal fault   X X  
39 Heatsink sensor   X X  
40 Overload of Digital Output Terminal 27 (X)     5-00, 5-01
41 Overload of Digital Output Terminal 29 (X)     5-00, 5-02
42 Overload of Digital Output On X30/6 (X)     5-32
42 Overload of Digital Output On X30/7 (X)     5-33
46 Pwr. card supply   X X  
47 24 V supply low X X X  
48 1.8 V supply low   X X  
49 Speed limit 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      
60 External Interlock X      
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
1)
   
69 Pwr. Card Temp   X X  
70 Illegal FC configuration     X  
71 PTC 1 Safe Stop X
X
1)
 
72 Dangerous Failure    
X
1)
 
73 Safe Stop Auto Restart        
79 Illegal PS config   X X  
80 Drive Initialised to Default Value   X    
91 Analog input 54 wrong settings     X  
92 NoFlow X X  22-2*
93 Dry Pump X X   22-2*
94 End of Curve X X   22-5*
95 Broken Belt X X   22-6*
96 Start Delayed X     22-7*
97 Stop Delayed X     22-7*
98 Clock Fault X     0-7*
Table 8.1: Alarm/Warning code list
8 Troubleshooting VLT
®
 AQUA Drive Design Guide
196
MG.20.N5.02 - VLT
®
 is a registered Danfoss trademark
8