Fault
num‐
ber
Alarm/
warning
bit num‐
ber
Fault text
Warn‐
ing
Alarm
Trip
locked
Cause of problem
47
23
24 V supply
low
X
X
X
24 V DC supply may be overloaded.
50
–
AMA calibra-
tion failed
–
X
–
Contact the local Danfoss supplier.
51
15
AMA Unom,
Inom
–
X
–
The setting of motor voltage, motor current, and motor
power is wrong. Check the settings.
52
–
AMA low In-
om
–
X
–
The motor current is too low. Check the settings.
53
–
AMA big mo-
tor
–
X
–
The motor is too big to perform AMA.
54
–
AMA small
mot
–
X
–
The motor is too small to perform AMA.
55
–
AMA par.
range
–
X
–
The parameter values found from the motor are outside
the acceptable range.
56
–
AMA user in-
terrupt
–
X
–
The AMA has been interrupted by the user.
57
–
AMA timeout
–
X
–
Try to start the AMA again a number of times, until the
AMA is carried out.
NOTICE
Repeated runs may heat the motor to a level
where the resistance R
s
and R
r
are increased. In
most cases, however, this is not critical.
58
–
AMA internal
X
X
–
Contact the local Danfoss supplier.
59
25
Current limit
X
–
–
The current is higher than the value in
parameter 4-18
Current Limit
.
60
44
External In-
terlock
–
X
–
External interlock has been activated. To resume normal
operation, apply 24 V DC to the terminal programmed for
external interlock and reset the drive (via serial communi-
cation, digital I/O, or by pressing [Reset] key on the LCP).
66
26
Heat sink
Temperature
Low
X
–
–
This warning is based on the temperature sensor in the
IGBT module (on 400 V, 30–90 kW (40–125 hp) and 600 V
units).
69
1
Pwr. Card
Temp
X
X
X
The temperature sensor on the power card exceeds the
upper or lower limits.
70
36
Illegal FC
configuration
–
X
X
The control card and power card are not matched.
79
–
Illegal power
section con-
figuration
X
X
–
Internal fault. Contact the local Danfoss supplier.
Warnings and Alarms
Operating Guide | VLT® HVAC Basic Drive FC 101
AQ275641848264en-000101 / 132R0078
64 | Danfoss A/S © 2019.11
Содержание VLT HVAC Basic Drive FC 101
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Страница 82: ...Operating Guide VLT HVAC Basic Drive FC 101 AQ275641848264en 000101 132R0078 82 Danfoss A S 2019 11...
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