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 notication
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 eldbus
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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