Danfoss VLT CANopen MCA 105 - 8 Troubleshooting; Warnings and Alarms

8 Troubleshooting
8.1 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 CANopen 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 DeviceNet warning word can also be
displayed using the serial bus in:
•
Parameter 16-90 Alarm Word.
•
Parameter 16-91 Alarm Word 2.
•
Parameter 16-92 Warning Word.
•
Parameter 16-93 Warning Word 2.
Bit
(Hex)
Alarm word
(parameter 16-90 Alarm Word)
00000001 Brake check
00000002 Power card overtemperature
00000004 Ground fault
00000008 Ctrl. card overtemperature
00000010 Control word timeout
00000020 Overcurrent
00000040 Torque limit
00000080 Motor thermistor overtemperature
00000100 Motor ETR overtemperature
00000200 Inverter overloaded
00000400 DC link undervoltage
00000800 DC link overvoltage
00001000 Short circuit
00002000 Inrush fault
00004000 Mains phase loss
00008000 AMA not OK
00010000 Live zero error
00020000 Internal fault
00040000 Brake overload
00080000 Motor phase U is missing
00100000 Motor phase V is missing
00200000 Motor phase W is missing
00400000 Fieldbus fault
00800000 24 V supply fault
01000000 Mains failure
02000000 1.8 V supply fault
04000000 Brake resistor short circuit
08000000 Brake chopper fault
10000000 Option change
20000000 Frequency converter initialised
40000000 Safe torque o
80000000 Mech. brake low
Table 8.1 Parameter 16-90 Alarm Word
Troubleshooting
VLT
®
CANopen MCA 105
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