Danfoss VLT FC Series Service Manual page 67

Troubleshooting
Number Description
52 AMA low I
nom
53 AMA motor too large
54 AMA motor too small
55 AMA parameter out of range
56 AMA interrupted by user
57 AMA timeout
58 AMA internal fault
59 Current limit
60 External interlock
61 Feedback error
62 Output frequency at maximum limit
63 Mechanical brake low
64 Voltage limit
65 Control card overtemperature
66 Heat sink temperature low
67 Option configuration has changed
68 Safe stop activated
69 Power card temperature
70 Illegal FC configuration
71 PTC 1 safe stop
72 Dangerous failure
73 Safe stop auto restart
74 PTC thermistor
75 Illegal profile sel.
76 Power unit setup
77 Reduced power mode
78 Tracking error
79 Illegal power section configuration
80 Drive initialized to default value
81 CSIV corrupt
82 CSIV parameter error
83 Illegal option combination
84 No safety option
85 Dang fall PB
88 Option detection
89 Mechanical brake sliding
90 Feedback monitor
91 Analog input 54 wrong settings
92 No flow
93 Dry pump
94 End of curve
95 Broken belt
96 Start delayed
97 Stop delayed
98 Clock fault
99 Locked rotor
104 Mixing fan fault
122 Motor rotat. unexp.
144 Inrush supply
145 External SCR disable
146 Mains voltage
147 Mains frequency
MG94A502
Service Guide
Danfoss A/S © 02/2019 All rights reserved.
Warning Alarm/trip
– X
– X
– X
– X
– X
– X
X X
X –
X X
(X) (X)
X –
– (X)
X –
X X
X –
– X
(X) 1)
(X)
– X
– –
X X
X X
(X) (X)
– –
– X
X –
X –
(X) (X)
– X
– X
– X
– X
– –
– X
– X
– –
X –
(X) (X)
– –
(X) (X)
(X) (X)
(X) (X)
(X) (X)
(X) –
(X) –
X –
– X
(X) (X)
X X
– X
– X
X X
X X
Alarm/trip
lock
–
–
–
–
–
–
–
–
–
–
–
–
6 6
–
X
–
–
–
X
X
–
X
–
X
–
–
–
–
–
–
–
–
X
–
–
X
–
–
X
–
–
–
–
–
–
–
–
–
–
–
–
–
–
65