Troubleshooting
No.
Description
DC link voltage
5
high
DC link voltage
6
4
4
low
7
DC over voltage
8
DC under voltage
Inverter
9
overloaded
Motor ETR over
10
temperature
Motor thermistor
11
over temperature
12
Torque limit
13
Over Current
14
Ground fault
Hardware
15
mismatch
16
Short Circuit
Control word
17
timeout
18
Start failed
23
Internal Fan Fault
24
External Fan Fault
Brake resistor
25
short-circuited
Brake resistor
26
power limit
27
Brake IGBT
28
Brake check
29
Heat sink temp
274
®
VLT
HVAC Drive FC 102
Warning
Alarm/
Alarm/
trip
trip lock
X
–
–
X
–
–
X
X
–
X
X
–
(X)
(X)
–
(X)
(X)
–
(X)
(X)
–
(X)
(X)
–
(X)
(X)
(X)
(X)
(X)
(X)
X
X
(X)
(X)
(X)
(X)
–
–
X
–
(X)
(X)
–
(X)
(X)
–
X
–
–
(X)
(X)
–
X
X
–
(X)
(X)
(X)
(X)
(X)
(X)
Danfoss A/S © 10/2019 All rights reserved.
Parameter
Fire mode alarm handling selected
reference
in parameter 24-09 Fire Mode Alarm
Critical alarms cause a trip.
–
Ignored
–
Ignored
–
Trip+Reset
–
Trip+Reset
Parameter 14-61
Function at
Inverter Overload,
Ignored
Parameter 14-90
Fault Settings
Parameter 1-90
Motor Thermal
Ignored
Protection
Parameter 1-90
Motor Thermal
Ignored
Protection
Parameter 14-90
Ignored
Fault Settings
Parameter 14-90
Trip+Reset
Fault Settings
Parameter 14-90
Trip+Reset
Fault Settings
–
Ignored
Parameter 14-90
Trip+Reset
Fault Settings
Parameter 8-04
Control Timeout
Ignored
Function
–
Ignored
Parameter 14-53
Ignored
Fan Monitor
Parameter 14-53
Ignored
Fan Monitor
–
Ignored
Parameter 2-13
Brake Power
Ignored
Monitoring
–
Ignored
Parameter 2-15
Ignored
Brake Check
Parameter 14-90
Ignored
Fault Settings
Warranty-
affecting
Handling
alarms
in fire
mode
Ignored
Warning
–
Ignored
Warning
–
Warning /
Trip
–
Trip
Warning /
Trip
–
Trip
(Warning /
Ignored
X
Trip)
(Warning /
Ignored
–
Trip)
(Warning /
Ignored
–
Trip)
(Warning /
Ignored
–
Trip)
(Warning /
Trip
Trip /Trip
–
lock)
(Warning /
Trip
Trip /Trip
–
lock)
Trip / Trip
Ignored
–
lock
(Trip /Trip
Trip
–
lock)
(Warning /
Ignored
–
Trip)
Ignored
Trip
–
(Warning /
Ignored
–
Trip)
(Warning /
Ignored
–
Trip)
Ignored
–
(Warning /
Ignored
–
Trip)
Warning /
Ignored
–
Trip
(Warning /
Ignored
–
Trip lock)
(Warning /
Ignored
Trip / Trip
X
lock)
M0010001
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