[1]). The origin event that caused an alarm cannot damage
the frequency converter or cause dangerous conditions. A
trip lock is an action when an alarm occurs, which may
damage the frequency converter or connected parts. A Trip
Lock situation can only be reset by a power cycling.
LED indication
Warning
yellow
Alarm
flashing red
Trip locked
yellow and red
Table 7.2
Bit
Hex
Dec
Alarm Word
Alarm Word 2
Warning Word
Warning
Word 2
Extended
Status Word
Alarm Word Extended Status Word
0
00000001
1
Brake Check (A28)
ServiceTrip, Read/
Write
Brake Check (W28)
reserved
Ramping
1
00000002
2
Heatsink temp.
(A29)
ServiceTrip,
(reserved)
Heatsink temp. (W29)
reserved
AMA Running
2
00000004
4
Earth Fault (A14)
ServiceTrip,
Typecode/
Sparepart
Earth Fault (W14)
reserved
Start CW/CCW
start_possible is
active, when the DI
selections [12] OR
[13] are active and
the requested
direction matches the
reference sign
3
00000008
8
Ctrl.Card Temp
(A65)
ServiceTrip,
(reserved)
Ctrl.Card Temp (W65)
reserved
Slow Down
slow down command
active, e.g. via CTW
bit 11 or DI
4
00000010
16
Ctrl. Word TO (A17) ServiceTrip,
(reserved)
Ctrl. Word TO (W17)
Catch Up
catch up command
active, e.g. via CTW
bit 12 or DI
5
00000020
32
Over Current (A13) reserved
Over Current (W13)
reserved
Feedback High
feedback > 4-57
6
00000040
64
Torque Limit (A12) reserved
Torque Limit (W12)
reserved
Feedback Low
feedback < 4-56
7
00000080
128
Motor Th Over
(A11)
reserved
Motor Th Over (W11)
reserved
Output Current High
current > 4-51
8
00000100
256
Motor ETR Over
(A10)
reserved
Motor ETR Over (W10)
reserved
Output Current Low
current < 4-50
9
00000200
512
Inverter Overld.
(A9)
reserved
Inverter Overld (W9)
reserved
Output Freq High
speed > 4-53
10
00000400
1024
DC under Volt (A8) reserved
DC under Volt (W8)
Output Freq Low
speed < 4-52
11
00000800
2048
DC over Volt (A7)
reserved
DC over Volt (W7)
Brake Check OK
brake test NOT ok
12
00001000
4096
Short Circuit (A16)
reserved
DC Voltage Low (W6)
reserved
Braking Max
BrakePower >
BrakePowerLimit
(2-12)
13
00002000
8192
Inrush Fault (A33)
reserved
DC Voltage High (W5)
Braking
14
00004000
16384
Mains ph. Loss (A4) reserved
Mains ph. Loss (W4)
Out of Speed Range
15
00008000
32768
AMA Not OK
reserved
No Motor (W3)
OVC Active
16
00010000
65536
Live Zero Error (A2) reserved
Live Zero Error (W2)
AC Brake
Troubleshooting
Operating Instructions VLT
®
CDS302 and CDS303
MG34M302 - VLT
®
is a registered Danfoss trademark/Commercial Compressor
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