Bit Hex
Dec
Alarm word
Alarm word 2
Warning word
Warning
word 2
Extended
status word
17 00020000
131072
Internal fault (A38) KTY error
10 V low (W1)
KTY warn
Password timelock
number of allowed password trials
exceeded - timelock active
18 00040000
262144
Brake overload
(A26)
Fans error
Brake overload
(W26)
Fans warn
Password protection
0-61 = ALL_NO_ACCESS OR
BUS_NO_ACCESS OR
BUS_READONLY
19 00080000
524288
U phase loss (A30) ECB error
Brake resistor
(W25)
ECB warn
Reference high
reference >
parameter 4-55 Warning
Reference High
20 00100000
1048576
V phase loss (A31) Hoist
mechanical
brake (A22)
Brake IGBT (W27)
Hoist
mechanical
brake (W22)
Reference low
reference <
parameter 4-54 Warning
Reference Low
21 00200000
2097152
W phase Loss
(A32)
Reserved
Speed limit (W49) Reserved
Local reference
reference site = REMOTE -> auto on
pressed & active
22 00400000
4194304
Fieldbus fault
(A34)
Reserved
Fieldbus fault
(W34)
Reserved
Protection mode notification
23 00800000
8388608
24 V supply low
(A47)
Reserved
24 V supply Low
(W47)
Reserved
Unused
24 01000000 16777216 Mains failure (A36) Reserved
Mains failure
(W36)
Reserved
Unused
25 02000000 33554432 1.8 V supply low
(A48)
Current limit
(A59)
Current limit
(W59)
Power Limit
Motor
Unused
26 04000000 67108864 Brake resistor
(A25)
Motor rotating
unexpectedly
(A122)
Low temp (W66)
Power Limit
Generator
Unused
27 08000000 134217728 Brake IGBT (A27)
Reserved
Voltage limit
(W64)
Reserved
Unused
28 10000000 268435456 Option change
(A67)
Reserved
Encoder loss
(W90)
Reserved
Unused
29 20000000 536870912 Drive initialized
(A80)
Encoder loss
(A90)
Output freq. lim.
(W62)
BackEMF too
high
Unused
30 40000000 1073741824 Safe stop (A68)
PTC thermistor
(A74)
Safe stop (W68)
PTC thermi-
stor (W74)
Unused
31 80000000 2147483648 Mech. brake low
(A63)
Dangerous
failure (A72)
Extended status
word
Protection mode
Table 6.3 Description of Alarm Word, Warning Word, and Extended Status Word
The alarm words, warning words and extended status
words can be read out via a serial bus or optional fieldbus
for diagnostics. See also
parameter 16-94 Ext. Status Word
.
Troubleshooting
VLT® AutomationDrive FC 361
182
Danfoss A/S © 03/2019 All rights reserved.
MG06J202
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6
Summary of Contents for VLT AutomationDrive FC 361
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