Bit Hex Dec Alarm Word Alarm Word 2 Warning Word Warning
Word 2
Extended
Status Word
12 00001000 4,096 Short Circuit (A16) reserved DC Voltage Low (W6) reserved Braking Max
BrakePower >
BrakePowerLimit
(p212)
13 00002000 8,192 Soft-charge Fault
(A33)
reserved DC Voltage High (W5) Braking
14 00004000 16,384 Line Ph. Loss (A4) reserved Line Ph. Loss (W4) Out of Speed Range
15 00008000 32,768 AMA Not OK reserved No Motor (W3) OVC Active
16 00010000 65,536 Live Zero Error (A2) reserved Live Zero Error (W2) AC Brake
17 00020000 131,072 Internal Fault (A38) KTY error 10 V Low (W1) KTY Warn Password Timelock
number of allowed
password trials
exceeded - timelock
active
18 00040000 262,144 Brake Overload
(A26)
Fans error Brake Overload (W26) Fans Warn Password Protection
p0-61 =
ALL_NO_ACCESS OR
BUS_NO_ACCESS OR
BUS_READONLY
19 00080000 524,288 U phase Loss (A30) ECB error Brake Resistor (W25) ECB Warn Reference High
reference > p4-55
20 00100000 1,048,576 V phase Loss (A31) reserved Brake IGBT (W27) reserved Reference Low
reference < p4-54
21 00200000 2,097,152 W phase Loss (A32) reserved Speed Limit (W49) reserved Local Reference
reference site =
REMOTE -> auto on
pressed & active
22 00400000 4,194,304 Serial communi-
cation bus Fault
(A34)
reserved Serial communication bus
Fault (W34)
reserved Protection Mode
23 00800000 8,388,608 24 V Supply Low
(A47)
reserved 24 V Supply Low (W47) reserved Unused
24 01000000 16,777,216 Line Failure (A36) reserved Line Failure (W36) reserved Unused
25 02000000 33,554,432 1.8 V Supply Low
(A48)
reserved Current Limit (W59) reserved Unused
26 04000000 67,108,864 Brake Resistor (A25) reserved Low Temp (W66) reserved Unused
27 08000000 134,217,728 Brake IGBT (A27) reserved Voltage Limit (W64) reserved Unused
28 10,000,000 268,435,456 Option Change
(A67)
reserved Encoder loss (W90) reserved Unused
29 20,000,000 536,870,912 Drive Initialized
(A80)
Feedback Fault
(A61, A90)
Feedback Fault (W61,
W90)
Unused
30 40,000,000 1,073,741,824 Safe Stop (A68) PTC 1 Safe Stop
(A71)
Safe Stop (W68) PTC 1 Safe
Stop (W71)
Unused
31 80,000,000 2,147,483,648 Mech. brake low
(A63)
Dangerous Failure
(A72)
Extended Status Word Unused
Table 5.2 Description of Alarm Word, Warning Word and Extended Status Word
The alarm words, warning words and extended status words can be read out via serial bus or optional serial communication
bus for diagnosis. See also 16-94 Ext. Status Word.
Troubleshooting FC 300 Programming Guide
MG33MD22 - VLT
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