Number Description
Warning Alarm/trip Alarm/trip
lock
Parameter reference
10
Motor ETR overtemperature
(X)
(X)
–
Parameter 1-90 Motor Thermal Pro-
tection
11
Motor thermistor overtemperature
(X)
(X)
–
Parameter 1-90 Motor Thermal Pro-
tection
12
Torque limit
X
X
–
–
13
Over current
X
X
X
–
14
Ground fault
X
X
–
–
15
Hardware mismatch
–
X
X
–
16
Short circuit
–
X
X
–
17
Control word timeout
(X)
(X)
–
Parameter 8-04 Control Word Time-
out Function
20
Temp. input error
–
X
–
–
21
Param error
–
–
X
–
22
Hoist mech. brake
(X)
(X)
–
Parameter group 2-2* Mechanical
Brake
23
Internal fans
X
–
–
–
24
External fans
X
–
–
–
25
Brake resistor short-circuited
X
–
–
–
26
Brake resistor power limit
(X)
(X)
–
Parameter 2-13 Brake Power Monitor-
ing
27
Brake chopper short-circuited
X
X
–
–
28
Brake check
(x)
(X)
–
Parameter 2-15 Brake Check
29
Heat sink temp
X
X
X
–
30
Motor phase U missing
(X)
(X)
(X)
Parameter 4-58 Missing Motor Phase
Function
31
Motor phase V missing
(X)
(X)
(X)
Parameter 4-58 Missing Motor Phase
Function
32
Motor phase W missing
(X)
(X)
(X)
Parameter 4-58 Missing Motor Phase
Function
33
Inrush fault
–
X
X
–
34
Fieldbus communication fault
X
X
–
–
35
Option fault
–
–
X
–
36
Mains failure
X
X
–
–
37
Imbalance of supply voltage
–
X
–
–
38
Internal fault
–
X
X
–
39
Heat sink sensor
–
X
X
–
AU373327181955en-000101 / 130R1208
350 | Danfoss A/S © 2021.08
Troubleshooting
VLT® AutomationDrive EZ FC 321
Programming Guide
