Danfoss VLT AutomationDrive FC 301 Programming Manual page 357

Troubleshooting
Bit Hex Dec Alarm word
15 00008000 32768 AMA not OK
16 00010000 65536 Live zero error
(A2)
17 00020000 131072 Internal fault (A38) KTY error
18 00040000 262144 Brake overload
(A26)
19 00080000 524288 U phase loss (A30) ECB error
20 00100000 1048576 V phase loss (A31) Hoist
21 00200000 2097152 W phase Loss
(A32)
22 00400000 4194304 Fieldbus fault
(A34)
23 00800000 8388608 24 V supply low
(A47)
24 01000000 16777216 Mains failure (A36) Reserved
25 02000000 33554432 1.8 V supply low
(A48)
26 04000000 67108864 Brake resistor
(A25)
27 08000000 134217728 Brake IGBT (A27)
28 10000000 268435456 Option change
(A67)
29 20000000 536870912 Drive initialized
(A80)
30 40000000 1073741824 Safe stop (A68)
31 80000000 2147483648 Mech. brake low
(A63)
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.
M0013101
Programming Guide
Alarm word 2 Warning word
Reserved No motor (W3)
Reserved Live zero error
(W2)
10 V low (W1)
Fans error Brake overload
(W26)
Brake resistor
(W25)
Brake IGBT (W27)
mechanical
brake (A22)
Reserved Speed limit (W49) Reserved
Reserved Fieldbus fault
(W34)
Reserved 24 V supply Low
(W47)
Mains failure
(W36)
Current limit Current limit
(A59) (W59)
Motor rotating Low temp (W66)
unexpectedly
(A122)
Reserved Voltage limit
(W64)
Reserved Encoder loss
(W90)
Encoder loss Output freq. lim.
(A90) (W62)
PTC thermistor Safe stop (W68)
(A74)
Dangerous Extended status
failure (A72) word
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Warning Extended
word 2 status word
Auto DC OVC active
braking
AC brake
KTY warn Password timelock
number of allowed password trials
exceeded - timelock active
Fans warn Password protection
0-61 = ALL_NO_ACCESS OR
BUS_NO_ACCESS OR
BUS_READONLY
ECB warn Reference high
reference >parameter 4-55 Warning
Reference High
Hoist Reference low
mechanical reference <parameter 4-54 Warning
brake (W22) Reference Low
Local reference
reference site = REMOTE -> auto on
pressed & active
Reserved Protection mode notification
Reserved Unused
Reserved Unused
Power Limit Unused
Motor
Power Limit Unused
Generator
Reserved Unused
Reserved Unused
BackEMF too Unused
high
PTC thermi- Unused
stor (W74)
6 6
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