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An X marked in the table below means that action occurs. A warning precedes an alarm.
No.
Description
Warning
Alarm/Trip
Alarm/Trip Lock
1
10 volts low
X
2
Live zero error
(X)
(X)
3
No motor
(X)
4
Line power phase loss
(X)
(X)
(X)
5
DC link voltage high
X
6
DC link voltage low
X
7
DC overvoltage
X
X
8
DC undervoltage
X
X
9
Inverter overloaded
X
X
10
Motor overtemperature
(X)
(X)
11
Motor thermistor overtemperature
(X)
(X)
12
Torque limit
X
X
13
Overcurrent
X
X
X
14
Ground fault
X
X
X
15
Hardware mismatch
X
X
16
Short circuit
X
X
17
Control word timeout
(X)
(X)
22
Hoist mechanical brake
X
23
Internal fan fault
X
24
External fan fault
X
25
Brake resistor short circuit
X
26
Brake resistor power limit
(X)
(X)
27
Brake chopper fault
X
X
28
Brake check failed
(X)
(X)
29
Heatsink temp
X
X
X
30
Motor phase U missing
(X)
(X)
(X)
31
Motor phase V missing
(X)
(X)
(X)
32
Motor phase W missing
(X)
(X)
(X)
33
Soft-charge fault
X
X
34
Serial Communication Bus communication fault
X
X
36
Line Power failure
X
X
38
Internal fault
X
X
39
Heatsink sensor
X
X
40
Overload of Digital Output Terminal 27
(X)
41
Overload of Digital Output Terminal 29
(X)
42
Overload of Digital Output on X30/6 or Overload of Digital
Output on X30/7
(X)
46
Power 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
61
Encoder loss
(X)
(X)
62
Output frequency at maximum limit
X
X
63
Mechanical brake low
(X)
64
Voltage limit
X
65
Control board overtemperature
X
X
X
66
Heatsink temperature low
X
67
Option configuration has changed
X
68
Safe stop activated
(X)
(X)
1)
69
Power card temperature
X
X
70
Illegal FC configuration
X
71
PTC 1 safe stop
X
X
72
Dangerous failure
X
X
X
73
Safe stop auto restart
X
79
Illegal PS config
X
X
Table 4.2: Warning/alarm code list
4 Troubleshooting
High Power Service Manual for VLT
®
FC Series
Adjustable Frequency Drives
4-8
MG.90.L1.22 - VLT
®
is a registered Danfoss trademark
4
Содержание VLT HVAC FC 100
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