Danfoss VLT 6000 HVAC Series

No. Description TRIP
[0]
LOCK
[0]
FIRE MODE
Trip & reset
[1], [2]
Go to
FIRE MODE
BYPASS [3]
2 Live zero fault
(LIVE ZERO ERROR)
X
4 Mains imbalance
(MAINS IMBALANCE)
x x x
7 Overvoltage
(DC LINK OVERVOLT)
x
8 Undervoltage
(DC LINK UNDERVOLT)
x
9 Inverter overloaded
(INVERTER TIME)
x
10 Motor overloaded
(MOTOR TIME)
x
11 Motor thermistor(MOTOR
THERMISTOR)
x
12 Current limit
(CURRENT LIMIT)
x
13 Overcurrent
(OVERCURRENT)
x x x x
14 Earth fault
(EARTH FAULT)
x x x x
15 Switch mode fault
(SWITCH MODE FAULT)
x x x x
16 Short-circuit
(CURR.SHORT CIRCUIT)
x x x x
17 Serial communication timeout
(STD BUSTIMEOUT)
x
18 HPFB bus timeout
(HPFB TIMEOUT)
x
22 Auto-optimation fault
(AMA FAULT)
x
29 Heat-sink temperature too high
(HEAT SINK OVERTEMP.)
x x x
30 Motor phase U missing
(MISSING MOT.PHASE U)
x
31 Motor phase V missing
(MISSING MOT.PHASE V)
x
32 Motor phase W missing
(MISSING MOT.PHASE W)
x
34 HPFB communication fault
(HPFB TIMEOUT)
x
37 Inverter fault (GATE DRIVE
FAULT)
x x x x
60 Safety stop
(EXTERNAL FAULT)
x
63 Output current low
(I MOTOR < I LOW)
x
80 Fire mode was active
(FIRE MODE WAS ACTIVE)
x
99 Unknown fault
(UNKNOWN FAULT)
x x
VLT
®
6000 HVAC Series
MG.61.B5.02 - VLT
®
is a registered Danfoss trademark 13
Introduction to HVAC