Table of Contents
Advertisement
FC 300 Interbus Operating Instructions
8. Troubleshooting
Alarm word and warning word are shown on the display in Hex format.
If there is more than one warning or alarm, a sum of all warnings or
alarms will be shown. Warning word and alarm word can be displayed in
par. 16-90 and 16-92.
Bit (Hex)
00000001
00000002
00000004
00000008
00000010
00000020
00000040
00000080
00000100
00000200
00000400
00000800
00001000
00002000
00004000
00008000
00010000
00020000
00040000
00080000
00100000
00200000
00400000
00800000
01000000
02000000
04000000
08000000
10000000
20000000
40000000
80000000
MG.33.H3.02 - VLT is a registered Danfoss trademark
8. Troubleshooting
FC 300
Unit diag-
Alarm word (Par. 16-90) Alarm no.
nose bit
48
Brake check
49
Power card over tem-
perature
50
Earth fault
51
Control card over tem-
perature
52
Control word timeout
53
Over current
54
Torque limit
55
Motor thermistor over
temp.
40
Motor ETR over temper-
ature
41
Inverter overloaded
42
DC link under voltage
43
DC link over voltage
44
Short circuit
45
Inrush fault
46
Mains phase loss
47
AMA not OK
32
Live zero error
33
Internal fault
34
Brake resistor power
limit
35
Motor phase U is missing
36
Motor phase V is missing
37
Motor phase W is miss-
ing
38
Fieldbus comm. fault
39
24 V supply fault
24
Mains failure
25
1.8 V supply fault
26
Brake resistor short cir-
cuit
27
Brake chopper fault
28
Option change
29
Drive initialisation
30
Safe stop
31
Mechanical brake low
28
29
14
65
18
13
12
11
10
9
8
7
16
33
4
50
2
38
26
8
30
31
32
34
47
36
48
25
27
67
80
68
63
41
Advertisement
Table of Contents
