No.
Description
Warning
Alarm/Trip
Alarm/Trip Lock
Parameter Reference
90
Feedback mon.
X
91
Analog input 54 wrong settings
X
92
No-Flow
X
X
Par. 22-2*
93
Dry Pump
X
X
Par. 22-2*
94
End of Curve
X
X
Par. 22-5*
95
Broken Belt
X
X
Par. 22-6*
96
Start Delayed
X
Par. 22-7*
250
New spare part
X
251
New type code
X
Table 7.2: Alarm/Warning code list 2/2
(X) Dependent on parameter
LED indication
Warning
yellow
Alarm
flashing red
Trip-locked
yellow and red
Alarm Word and Extended Status Word
Bit
Hex
Dec
Alarm Word
Warning Word
Extended Status Word
0
00000001
1
Brake Check
Brake Check
Ramping
1
00000002
2
Pwr. Card Temp
Pwr. Card Temp
AMA Running
2
00000004
4
Ground Fault
Ground Fault
Start CW/CCW
3
00000008
8
Ctrl.Card Temp
Ctrl.Card Temp
Slow Down
4
00000010
16
Ctrl. Word TO
Ctrl. Word TO
Catch Up
5
00000020
32
Overcurrent
Overcurrent
Feedback High
6
00000040
64
Torque Limit
Torque Limit
Feedback Low
7
00000080
128
Motor Th Over
Motor Th Over
Output Current High
8
00000100
256
Motor ETR Over
Motor ETR Over
Output Current Low
9
00000200
512
Inverter Overld.
Inverter Overld.
Output Freq High
10
00000400
1024
DC Undervolt
DC Undervolt
Output Freq Low
11
00000800
2048
DC Overvolt
DC Overvolt
Brake Check OK
12
00001000
4096
Short Circuit
DC Voltage Low
Braking Max
13
00002000
8192
Soft-charge fault
DC Voltage High
Braking
14
00004000
16384
Line ph. Loss
Line ph. Loss
Out of Speed Range
15
00008000
32768
AMA Not OK
No Motor
OVC Active
16
00010000
65536
Live Zero Error
Live Zero Error
17
00020000
131072
Internal Fault
10 V Low
18
00040000
262144
Brake Overload
Brake Overload
19
00080000
524288
U-phase Loss
Brake Resistor
20
00100000
1048576
V-phase Loss
Brake IGBT
21
00200000
2097152
W-phase Loss
Speed Limit
22
00400000
4194304
Ser. Com. Bus Fault
Ser. Com. Bus Fault
23
00800000
8388608
24 V Supply Low
24 V Supply Low
24
01000000
16777216
Line Failure
Line Failure
25
02000000
33554432
1.8 V Supply Low
Current Limit
26
04000000
67108864
Brake Resistor
Low Temp
27
08000000
134217728
Brake IGBT
Voltage Limit
28
10000000
268435456
Option Change
Unused
29
20000000
536870912
Drive Initialized
Unused
30
40000000
1073741824
Safe Stop
Unused
Table 7.3: Description of Alarm Word, Warning Word and Extended Status Word
The alarm words, warning words and extended status words can be read out for diagnosis via serial bus or optional serial communication bus. See also
par. 16-90
Alarm Word
, par. 16-92
Warning Word
and par. 16-94
Ext. Status Word
.
VLT
®
HVAC Drive Instruction Manual
7 Troubleshooting
MG.11.A9.22 - VLT
®
is a registered Danfoss trademark
7-3
7
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