VLT
®
6000 HVAC
21
MG.60.G2.02 - VLT is a registered Danfoss Trademark
TT
TT
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able 7 able 7
able 7 able 7
able 7 Faults, Warnings and Alarms Description
1) Trip: Requires a reset, either manual or automatic, depending on the the setting of parameter 400, Reset Function.
2) Trip lock: Requires AC power cycled on and off and a reset.
Alarms that also have a corresponding warning cannot be reset until warning has been removed, i.e., fault situation is gone.
Points 90-91 refer to warnings. Points 92-94 refer to alarms.
Fault Description Warning Alarm
number
Trip
1)
Trip Lock
2)
1 10 volts low X
2 Live zero X X
4 AC power failure X X X
5 DC link voltage hig X
6 DC link voltage low X
7 Over voltage X X
8 Under voltage X X
9 Inverter time X X
10 Motor time X X
11 Motor thermistor X X
12 Current limit X X
13 Over current X X
14 Ground fault X X
15 Switch mode fault X X
16 Current short circuit X X
17 Serial comm. timeout X X
18 HPFB timeout X X
19 EEPROM on power card X
20 EEPROM o control card X
22 AMA fault X
29 Heat sink temperature too high X X
30 Motor phase U missing X
31 Motor phase V missing X
32 Motor phase W missing X
34 HPFB comm. fault X X
37 Inverter fault X X
39 AMA check par. 104, 106 X
40 AMA check par. 103, 105 X
41 AMA motor too big X
42 AMA motor too small X
60 External fault X
61 Output frequency low X
62 Output frequency high X
63 Output current lo X X
64 Output current high X
65 Feedback low X
66 Feedback hig X
67 Reference low X
68 Reference high X
69 Thermal Auto derating X
99 Unknown alarm X X
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