Danfoss vlt FC 102 - Page 276

No. Description Warning Alarm/
trip
Alarm/
trip lock
Parameter
reference
Fire mode alarm handling selected
in parameter 24-09 Fire Mode Alarm
Handling
Critical alarms cause a trip.
Warranty-
aecting
alarms
in re
mode
5
DC link voltage
high
X – – – Ignored Ignored Warning –
6
DC link voltage
low
X – – – Ignored Ignored Warning –
7 DC over voltage X X – – Trip+Reset Trip
Warning /
Trip
–
8 DC under voltage X X – – Trip+Reset Trip
Warning /
Trip
–
9
Inverter
overloaded
(X) (X) –
Parameter 14-61
Function at
Inverter Overload,
Parameter 14-90
Fault Settings
Ignored Ignored
(Warning /
Trip)
X
10
Motor ETR over
temperature
(X) (X) –
Parameter 1-90
Motor Thermal
Protection
Ignored Ignored
(Warning /
Trip)
–
11
Motor thermistor
over temperature
(X) (X) –
Parameter 1-90
Motor Thermal
Protection
Ignored Ignored
(Warning /
Trip)
–
12 Torque limit (X) (X) –
Parameter 14-90
Fault Settings
Ignored Ignored
(Warning /
Trip)
–
13 Over Current (X) (X) (X)
Parameter 14-90
Fault Settings
Trip+Reset Trip
(Warning /
Trip /Trip
lock)
–
14 Ground fault (X) (X) (X)
Parameter 14-90
Fault Settings
Trip+Reset Trip
(Warning /
Trip /Trip
lock)
–
15
Hardware
mismatch
X X – Ignored Ignored
Trip / Trip
lock
–
16 Short Circuit (X) (X)
Parameter 14-90
Fault Settings
Trip+Reset Trip
(Trip /Trip
lock)
–
17
Control word
timeout
(X) (X) –
Parameter 8-04
Control Timeout
Function
Ignored Ignored
(Warning /
Trip)
–
18 Start failed – X – – Ignored Ignored Trip –
23 Internal Fan Fault (X) (X) –
Parameter 14-53
Fan Monitor
Ignored Ignored
(Warning /
Trip)
–
24 External Fan Fault (X) (X) –
Parameter 14-53
Fan Monitor
Ignored Ignored
(Warning /
Trip)
–
25
Brake resistor
short-circuited
X – – – Ignored Ignored –
26
Brake resistor
power limit
(X) (X) –
Parameter 2-13
Brake Power
Monitoring
Ignored Ignored
(Warning /
Trip)
–
27 Brake IGBT X X – – Ignored Ignored
Warning /
Trip
–
28 Brake check (X) (X) (X)
Parameter 2-15
Brake Check
Ignored Ignored
(Warning /
Trip lock)
–
29 Heat sink temp (X) (X) (X)
Parameter 14-90
Fault Settings
Ignored Ignored
(Warning /
Trip / Trip
lock)
X
Troubleshooting
VLT
®
HVAC Drive FC 102
274 Danfoss A/S © 10/2019 All rights reserved. M0010001
44