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4.1.1 Alarm Words
Alarm word,
Bit
(Hex)
Alarm Word
(
00000001
Brake check
00000002
Power card over temperature
00000004
Earth fault
00000008
Ctrl. card over temperature
00000010
Control word timeout
00000020
Over current
00000040
Torque limit
00000080
Motor thermistor over temp.
00000100
Motor ETR over temperature
00000200
Inverter overloaded
00000400
DC link under voltage
00000800
DC link over voltage
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
24V supply fault
01000000
Mains failure
02000000
1.8V supply fault
04000000
Brake resistor short circuit
08000000
Brake chopper fault
10000000
Option change
20000000
Drive initialised
40000000
Safe Stop
80000000
Not used
Alarm word 2,
Bit
(Hex)
Alarm Word 2
(
)
00000001
Service Trip, read / Write
00000002
Reserved
00000004
Service Trip, Typecode / Sparepart
00000008
Reserved
00000010
Reserved
00000020
No Flow
00000040
Dry Pump
00000080
End of Curve
00000100
Broken Belt
00000200
Not used
00000400
Not used
00000800
Reserved
00001000
Reserved
00002000
Reserved
00004000
Reserved
00008000
Reserved
00010000
Reserved
00020000
Not used
00040000
Fans error
00080000
ECB error
00100000
Reserved
00200000
Reserved
00400000
Reserved
00800000
Reserved
01000000
Reserved
02000000
Reserved
04000000
Reserved
08000000
Reserved
10000000
Reserved
20000000
Reserved
40000000
Reserved
80000000
Reserved
Troubleshooting
VLT
®
HVAC Drive Programming Guide
188
MG.11.CB.02 - VLT
®
is a registered Danfoss trademark
4
4
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