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4.1.2 Warning Words
Warning word,
Bit
(Hex)
Warning 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
DC link voltage low
00002000
DC link voltage high
00004000
Mains phase loss
00008000
No motor
00010000
Live zero error
00020000
10V low
00040000
Brake resistor power limit
00080000
Brake resistor short circuit
00100000
Brake chopper fault
00200000
Speed limit
00400000
Fieldbus comm. fault
00800000
24V supply fault
01000000
Mains failure
02000000
Current limit
04000000
Low temperature
08000000
Voltage limit
10000000
Encoder loss
20000000
Output frequency limit
40000000
Not used
80000000
Not used
Warning word 2,
Bit
(Hex)
Warning Word 2
(
00000001
Start Delayed
00000002
Stop Delayed
00000004
Clock Failure
00000008
Reserved
00000010
Reserved
00000020
No Flow
00000040
Dry Pump
00000080
End of Curve
00000100
Broken Belt
00000200
Not used
00000400
Reserved
00000800
Reserved
00001000
Reserved
00002000
Reserved
00004000
Reserved
00008000
Reserved
00010000
Reserved
00020000
Not used
00040000
Fans warning
00080000
ECB warning
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
MG.11.CB.02 - VLT
®
is a registered Danfoss trademark
189
4
4
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