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 off
80000000
Mech. brake low
Table 8.1
Parameter 16-90 Alarm Word
Troubleshooting
VLT
®
CANopen MCA 105
40
Danfoss A/S © 06/2015 All rights reserved.
MG92G102
8
8
