Danfoss VLT User Manual

No. Description Warning Alarm/Trip Alarm/Trip Lock Parameter Reference
1 10 Volts low X
2 Live zero error (X) (X) par.6-01 Live Zero Time-
out Function
3 No motor (X) par.1-80 Function at
Stop
4 Line phase loss (X) (X) (X) par. 14-12 Function at
Mains Imbalance
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) par.1-90
Motor Thermal
Protection
11 Motor thermistor overtemperature (X) (X) par.1-90 Motor Thermal
Protection
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) par. 8-04 Control Time-
out Function
22 Hoist mech. brake X
23 Internal fans
24 External fans
25 Brake resistor short-circuited X
26 Brake resistor power limit (X) (X) par. 2-13
Brake Power
Monitoring
27 Brake chopper short-circuited X X
28 Brake check (X) (X) par. 2-15
Brake Check
29 Power board overtemp. X X X
30 Motor phase U missing (X) (X) (X) par. 4-58
Missing Motor
Phase Function
31 Motor phase V missing (X) (X) (X) par. 4-58 Missing Motor
Phase Function
32 Motor phase W missing (X) (X) (X) par. 4-58 Missing Motor
Phase Function
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 7.1: Alarm/Warning code list 1/2
7 Troubleshooting VLT
®
HVAC Drive Instruction Manual
7-2 MG.11.A9.22 - VLT
®
is a registered Danfoss trademark
7

Danfoss VLT Specifications

General

Frequency	50/60 Hz
Enclosure	IP20, IP21, IP55, IP66
Series	VLT
Control Technique	Flux Vector Control
Output Voltage	0-Vinput
Control Method	Fieldbus
Communication Interface	PROFIBUS, CANopen
Protection Features	Overload, Overvoltage, Undervoltage, Short Circuit, Ground Fault
Cooling Method	Liquid Cooled
Storage Temperature	-25°C to +70°C
Relative Humidity	5-95% non-condensing
Altitude	Up to 1000m (3280ft) without derating, up to 4000m (13120ft) with derating
Operating Temperature	-10°C to +50°C (14°F to 122°F)