8.3 Warnings and Alarms
NOTICE
Refer to the relevant operating instructions for an overview of warning and alarm types, and for the full list of warnings
and alarms.
Alarm word, warning word, and PROFIBUS warning word are shown on the frequency converter display in hex format. When
there is more than 1 warning or alarm, the sum of all warnings or alarms is shown. Alarm word, warning word, and
PROFIBUS warning word can also be shown using the eldbus in parameter 16-90 Alarm Word, parameter 16-92 Warning
Word, and parameter 9-53 Probus Warning Word.
Bit (hex) Dec Unit
diagnose bit
Alarm word (parameter 16-90 Alarm
Word)
Alarm word 2 Alarm
number
00000001 1 48 Brake check ServiceTrip, Read/Write 28
00000002 2 49 Power card overtemperature ServiceTrip (reserved) 29
00000004 4 50 Earth fault ServiceTrip, Typecode/
Sparepart
14
00000008 8 51 Control card over temperature ServiceTrip (reserved) 65
00000010 16 52 Control word timeout ServiceTrip (reserved) 18
00000020 32 53 Over current – 13
00000040 64 54 Torque limit – 12
00000080 128 55 Motor thermistor over temp. – 11
00000100 256 40 Motor ETR over temperature – 10
00000200 512 41 Inverter overloaded – 9
00000400 1024 42 DC-link undervoltage – 8
00000800 2048 43 DC-link overvoltage – 7
00001000 4096 44 Short circuit – 16
00002000 8192 45 Inrush fault – 33
00004000 16384 46 Mains phase loss – 4
00008000 32768 47 AMA not OK – 50
00010000 65536 32 Live zero error – 2
00020000 131072 33 Internal fault KTY error 38
00040000 262144 34 Brake overload Fans error 26
00080000 524288 35 Motor phase U is missing ECB error 30
00100000 1048576 36 Motor phase V is missing – 31
00200000 2097152 37 Motor phase W is missing – 32
00400000 4194304 38 Fieldbus comm. fault – 34
00800000 8388608 39 24 V supply fault – 47
01000000 16777216 24 Mains failure – 36
02000000 33554432 25 1.8 V supply fault – 48
04000000 67108864 26 Brake resistor short circuit – 25
08000000 134217728 27 Brake chopper fault – 27
10000000 268435456 28 Option change – 67
20000000 536870912 29 Drive initialisation – 80
40000000 1073741824 30 Safe stop PTC 1 Safe Stop (A71) 68
80000000 2147483648 31 Mechanical brake low Dangerous Failure (A72) 63
Table 8.13 Parameter 16-90 Alarm Word
Troubleshooting
VLT
®
PROFIBUS DP MCA 101
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