Dc Link Voltage High; Dc Link Voltage Low - Danfoss VLT AFE 302 Operating Instructions Manual

How to Programme
Alarm Word Extended Status Word
Bit Hex Dec Alarm Word
0 00000001 1
1 00000002 2 Heatsink temp. (A29) ServiceTrip,
2 00000004 4 Earth Fault (A14)
3 00000008 8 Ctrl.Card Temp (A65) ServiceTrip,
4 00000010 16 Ctrl. Word TO (A17)
5 00000020 32 Over Current (A13)
6 00000040 64
7 00000080 128
8 00000100 256
9 00000200 512 Inverter Overld. (A9)
10 00000400 1024 DC under Volt (A8)
11 00000800 2048 DC over Volt (A7)
12 00001000 4096 Short Circuit (A16)
13 00002000 8192 Inrush Fault (A33)
14 00004000 16384 Mains ph. Loss (A4)
15 00008000 32768
16 00010000 65536
17 00020000 131072 Internal Fault (A38)
18 00040000 262144
19 00080000 524288
20 00100000 1048576
21 00200000 2097152
22 00400000 4194304 Fieldbus Fault (A34)
23 00800000 8388608 24 V Supply Low
(A47)
24 01000000 16777216 Mains Failure (A36)
25 02000000 33554432 1.8V Supply Low
(A48)
26 04000000 67108864
27 08000000 134217728
28 10000000 268435456 Option Change (A67) reserved
29 20000000 536870912 AFE Initialized(A80)
30 40000000 1073741824 Safe Stop (A68)
31 80000000 2147483648
Table 5.4 Description of Alarm Word, Warning Word and Extended Status Word
The alarm words, warning words and extended status words
can be read out via serial bus or optional fieldbus for
diagnose. See also 16-94 Ext. Status Word.
WARNING 1, 10 Volts low:
The 10V voltage from terminal 50 on the control card is
below 10V.
Remove some of the load from terminal 50, as the 10V
supply is overloaded. Max. 15 mA or minimum 590 Ω.
®
VLT Active Front End AFE 302 Operating Instructions Liebherr
Alarm Word 2 Warning Word
ServiceTrip, Read/
Write
Heatsink temp. (W29)
(reserved)
ServiceTrip, Earth Fault (W14)
Typecode/
Sparepart
Ctrl.Card Temp (W65)
(reserved)
ServiceTrip, Ctrl. Word TO (W17)
(reserved)
reserved Over Current (W13)
reserved
reserved
reserved
reserved Inverter Overld (W9)
reserved DC under Volt (W8)
reserved DC over Volt (W7)
reserved DC Voltage Low (W6)
reserved DC Voltage High (W5)
reserved
reserved
reserved
10V Low (W1)
Fans error
reserved
reserved
reserved Fieldbus Fault (W34)
reserved 24V Supply Low (W47)
reserved Mains Failure (W36)
reserved Current Limit (W59)
reserved Low Temp (W66)
reserved Voltage Limit (W64)
Feedback Fault Feedback Fault (W61, W90)
(A61, A90)
Extended Status Word
WARNING 5, DC link voltage high:
The DC bus voltage is higher than the overvoltage limit of
the control system. The AFE is still active.
WARNING 6, DC link voltage low
The DC bus voltage is below the undervoltage limit of the
control system. The AFE is still active.
®
MG.33.X2.02 - VLT is a registered Danfoss trademark
Warning Extended
Word 2 Status Word
reserved Ramping
reserved
reserved
reserved
reserved
reserved
reserved
reserved
reserved
reserved
Password Timelock
Fans Warn Password Protection
reserved
reserved
reserved
reserved
reserved
reserved
reserved
reserved
reserved
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