Siemens SINUMERIK 808D ADVANCED Commissioning Manual page 493

Fault
F30011: Line phase failure
in main circuit
Reaction: OFF2
Acknowledgement:
IMMEDIATELY
F30015: Phase failure motor
cable
Reaction: OFF2
Acknowledgement:
IMMEDIATELY
F30021: Ground fault
Reaction: OFF2
Acknowledgement:
IMMEDIATELY
F30027: Precharging DC link
time monitoring
Reaction: OFF2
Acknowledgement:
IMMEDIATELY
F30036: Internal over-
temperature
Reaction: OFF2
Acknowledgement:
IMMEDIATELY
Commissioning Manual
01/2017
Cause
At the power unit, the DC link voltage
ripple has exceeded the permissible limit
value.
Possible causes:
A line phase has failed.
•
The 3 line phases are inadmissibly
•
unsymmetrical.
The fuse of a phase of a main circuit
•
has ruptured.
A motor phase has failed.
•
A phase failure in the motor feeder cable
was detected.
The signal can also be output in the follow-
ing case:
The motor is correctly connected, however
the closed-speed control is instable and
therefore an oscillating torque is generat-
ed.
Power unit has detected a ground fault.
Ground fault in the power cables.
•
Winding fault or ground fault at the
•
motor.
The power unit DC link was not able to
•
be pre-charged within the expected
time.
There is no line supply voltage con-
nected.
The line contactor/line side switch has
•
not been closed.
The line supply voltage is too low.
•
The pre-charging resistors are over-
•
heated as there were too many pre-
charging operations per time unit
The pre-charging resistors are over-
•
heated as the DC link capacitance is
too high.
The pre-charging resistors are over-
•
heated.
The pre-charging resistors are over-
•
heated as the line contactor was
closed during the DC link fast dis-
charge through the Braking Module.
The DC link has either a ground fault
•
or a short-circuit.
The pre-charging circuit is possibly
•
defective.
The temperature inside the drive has ex-
ceeded the permissible temperature limit.
Insufficient cooling, fan failure.
•
Overload.
•
Surrounding air temperature too high.
•
Remedy
Check the main circuit fuses.
•
Check whether a single-phase load is dis-
•
torting the line voltages.
Check the motor feeder cables.
•
Check the motor feeder cables.
•
Check the speed controller settings.
•
Check the power cable connections.
•
Check the motor.
•
Check the line supply voltage at the input ter-
minals.
Check whether the fan is running.
•
Check the fan elements.
•
Check whether the surrounding air temper-
•
ature is in the permissible range.
Notice:
This fault can only be acknowledged once the
permissible temperature limit minus 5 K has
been fallen below.
493