Table of Contents
Advertisement
Troubleshooting
Bit (Hex)
Unit
diagnose
bit
00000001
00000002
00000004
00000008
00000010
00000020
00000040
00000080
00000100
00000200
00000400
00000800
00001000
00002000
00004000
00008000
00010000
00020000
00040000
00080000
9
9
00100000
00200000
00400000
00800000
01000000
02000000
04000000
08000000
10000000
20000000
40000000
80000000
Table 9.17 FC 301/FC 302
50
MCA 123 POWERLINK Operating Instructions
Warning word
(16-92 Warning Word)
112
Brake check
113
Power card over
temperature
114
Earth fault
115
Control card
116
Control word timeout
117
Over current
118
Torque limit
119
Motor thermistor over
temp.
104
Motor ETR over
temperature
105
Inverter overloaded
106
DC link under voltage
107
DC link over voltage
108
DC link voltage low
109
DC link voltage high
110
Mains phase loss
111
No motor
96
Live zero error
97
10 V low
98
Brake overload
99
Brake resistor short circuit
100
Brake chopper fault
101
Speed limit
102
Fieldbus comm. fault
103
24 V supply fault
88
Mains failure
89
Current limit
90
Low temperature
91
Voltage limit
92
Encoder loss
93
Output frequency limit
94
Unused
95
Warning word 2 (ext. stat.
word)
MG92C102 - VLT
Alarm no.
Bit (Hex)
Comm. option STW (16-84 Comm. Option STW)
00000001
parameterization ok
00000002
configuration ok
28
00000004
clearmode active
29
00000008
baudrate search
00000010
waiting for parameterization
14
00000020
waiting for configuration
65
00000040
in data exchange
18
00000080
not used
13
00000100
not used
12
00000200
not used
11
00000400
not used
00000800
MCL2/1 connected
10
00001000
MCL2/2 connected
00002000
MCL2/3 connected
9
00004000
data transport active
8
00008000
not used
7
Table 9.18 FC 301/FC 302
6
5
NOTE
4
16-84 Comm. Option STW is not part of extended diagnosis.
3
2
9.1.6 Warning and Alarm Messages
1
26
25
There is a clear distinction between alarms and warnings.
When there is an alarm, the frequency converter enters a
27
fault condition. After the cause for the alarm has been
49
cleared, the master will have to acknowledge the alarm
34
message before the frequency converter can start
47
operating again. A warning, on the other hand, may come
36
when a warning condition appears, then disappear when
59
conditions return to normal, without interfering with the
66
process.
64
61
Warnings
62
A single bit within a warning word represents warnings
-
within the frequency converter. Bit status [0] False means
-
no warning, while bit status [1] True means warning. Any
bit change in the warning word is notified by a change of
bit 7 in the status word.
Alarms
Following an alarm message, the frequency converter
enters fault condition. When the fault has been removed
and the controller has acknowledged the alarm message
by setting bit 7 in the control word, the frequency
converter resumes operation. A single bit within an alarm
word represents alarms within the frequency converter. Bit
status [0] False means no fault, while bit status [1] True
means fault.
®
is a registered Danfoss trademark
Advertisement
Table of Contents
