FCM 300 Series
MG.03.B6.2G - VLT is a registered Danfoss trademark
Warnings and alarms, cont.
ALARM 11
Motor thermistor (MOTOR THERMISTOR):
If a thermistor is mounted and parameter 128 is set
to
Enable
[1], the FCM 300 will trip if the motor gets
too hot.
WARNING 12
Current limit (CURRENT LIMIT):
The current is higher than the value in parameter
221 (in motor operation).
ALARM 13
Overcurrent (OVERCURRENT):
The inverter peak current limit (approx. 230% of the
rated current) has been exceeded. The FCM 300
will trip, while giving an alarm.
Turn off the FCM 300 and check whether the motor
shaft can be turned.
ALARM: 14
Earth fault (EARTH FAULT):
There is a discharge from the output phases to
ground, either between the inverter and the motor
or in the motor itself.
ALARM: 15
Supply fault (SWITCH MODE FAULT):
Fault in the switch mode power supply (internal
24 V supply).
Contact your Danfoss supplier.
ALARM: 16
Short-circuiting (CURR.SHORT CIRCUIT):
There is short-circuiting on the motor terminals or in
the motor itself.
Contact your Danfoss supplier.
NOTE!
If shock loads occur this alarm may appear.
WARNING/ALARM 17
Standard bus timeout (STD BUSTIMEOUT)
There is no communication to the FCM 300.
The warning will only be active when parameter
514 has been set to another value than
OFF.
If parameter 514 has been set to
stop and trip
, it
will first give a warning and then ramp down until
it trips, while giving an alarm.
Parameter 513
Bus time interval
could possibly
be increased.
WARNING/ALARM 18
HPFB bus timeout (HPFB BUS TIMEOUT)
There is no communication with the FCM 300.
The warning will only be active when parameter
804 has been set to another value than
OFF.
If parameter 804 has been set to
Stop and trip
,
it will first give a warning and then ramp down
until it trips, while giving an alarm.
Parameter 803
Bus time out
could possibly be
increased.
WARNING 33
Out of frequency range:
This warning is active if the output frequency has
reached parameter 201
Output frequency low
limit
or parameter 202
Output frequency high
limit
.
WARNING/ALARM 34
HPFB error (HPFB ALARM):
The profibus communication is not working
correctly.
ALARM 35
Inrush fault (INRUSH FAULT):
This warning occurs when the AC Line has
been cycled too many times within 1 minute.
WARNING/ALARM 36
Overtemperature (OVERTEMPERATURE):
A warning occurs at 78°C/172
o
F and the FCM
300 trips at 90°C/194
o
F. The unit can be reset
when the temperature is below 70°C/158
o
F.
ALARM: 37
Internal error (INTERNAL ERROR):
An error has occurred in the system. Contact
your Danfoss supplier.
Messages
16-4
