
No.
Description
Warning
Alarm/Trip
Alarm/Trip Lock
Parameter Reference
1
10 Volts low
X
2
Live zero error
(X)
(X)
3
No motor
(X)
4
Line phase loss
(X)
(X)
(X)
5
DC link voltage high
X
6
DC link voltage low
X
7
DC overvoltage
X
X
8
DC undervoltage
X
X
9
Inverter overloaded
X
X
10
Motor ETR overtemperature
(X)
(X)
11
Motor thermistor overtemperature
(X)
(X)
12
Torque limit
X
X
13
Overcurrent
X
X
X
14
Ground fault
X
X
X
15
Incomp. HW
X
X
16
Short Circuit
X
X
17
Control word timeout
(X)
(X)
22
Hoist mech. brake
X
23
Internal fans
24
External fans
25
Brake resistor short-circuited
X
26
Brake resistor power limit
(X)
(X)
27
Brake chopper short-circuited
X
X
28
Brake check
(X)
(X)
29
Power board overtemp.
X
X
X
30
Motor phase U missing
(X)
(X)
(X)
31
Motor phase V missing
(X)
(X)
(X)
32
Motor phase W missing
(X)
(X)
(X)
33
Soft-charge fault
X
X
34
Serial communication bus fault
X
X
36
Line failure
37
Phase imbalance
X
X
38
Internal fault
X
X
39
Heatsink sensor
X
40
Overload T27
41
Overload T29
42
Overload X30/6-7
46
Pwr. card supply
X
47
24 V supply low
X
X
X
48
1.8 V supply low
X
X
49
Speed limit
50
AMA calibration failed
X
51
AMA check U
nom
and I
nom
X
52
AMA low I
nom
X
53
AMA motor too big
X
54
AMA motor too small
X
55
AMA parameter out of range
X
56
AMA interrupted by user
X
57
AMA timeout
X
58
AMA internal fault
X
X
59
Current limit
X
60
External interlock
61
Tracking error
X
X
62
Output Frequency at Maximum Limit
X
64
Voltage Limit
X
65
Control Board Overtemperature
X
X
X
66
Heatsink Temperature Low
X
67
Option Configuration Has Changed
X
68
Safe Stop Activated
X
69
Pwr. card temp.
X
70
Illegal FC configuration
Table 4.1: Alarm/Warning code list 1/2
4 Troubleshooting
VLT
®
HVAC Drive Programming Guide
4-2
MG.11.C6.22 - VLT
®
is a registered Danfoss trademark
4