Siemens SINUMERIK 808D ADVANCED Series Commissioning Manual page 468

Fault
F7860: External fault 1
Reaction: OFF2
Acknowledgement:
IMMEDIATELY (POWER
ON)
F7900: Motor blocked/speed
controller at its limit
Reaction: OFF2
Acknowledgement:
IMMEDIATELY
F7901: Motor overspeed
Reaction: OFF2
Acknowledgement:
IMMEDIATELY
F7995: Pole position identifi-
cation not successful
Reaction: OFF2
Acknowledgement:
IMMEDIATELY
F30001: Power unit: Over-
current
Reaction: OFF2
Acknowledgement:
IMMEDIATELY
F30002: DC link voltage,
overvoltage
Reaction: OFF2
Acknowledgement:
IMMEDIATELY
F30003: DC link voltage,
undervoltage
Reaction: OFF2
Acknowledgement:
IMMEDIATELY
468
Cause
The signal "external fault 1" was triggered.
The servo motor has been operating at the
torque limit longer than 1s and below the
speed threshold of 120 rpm.
This signal can also be initiated if the
speed actual value is oscillating and the
speed controller output repeatedly goes to
its limit.
The maximum permissible speed has
been exceeded.
The pole position identification routine was
unsuccessful.
The power unit has detected an overcur-
rent condition.
Closed-loop control is incorrectly pa-
•
rameterized.
Motor has a short-circuit or fault to
•
ground (frame).
Power cables are not correctly con-
•
nected.
Power cables exceed the maximum
•
permissible length.
Power unit defective.
•
Line phase interrupted.
•
The power unit has detected overvoltage
in the DC link.
Motor regenerates too much energy.
•
Device connection voltage too high.
•
Line phase interrupted.
•
The power unit has detected an undervolt-
age condition in the DC link.
Line supply failure
•
Line supply voltage below the permis-
•
sible value.
Line supply infeed failed or interrupted.
•
Line phase interrupted.
•
Remedy
Restart the drive.
•
Restore the drive to its factory default set-
•
tings.
Check whether the servo motor can rotate
•
freely or not.
Check the torque limit.
•
Check the inversion of the actual value.
•
Check the motor encoder connection.
•
Check the encoder pulse number.
•
Check and correct the maximum speed
(p1082).
Contact the Hotline.
Check the motor data - if required, carry out
•
commissioning.
Check the motor circuit configuration (star-
•
delta)
Check the power cable connections.
•
Check the power cables for short-circuit or
•
ground fault.
Check the length of the power cables.
•
Replace power unit.
•
Check the line supply phases.
•
Check the external braking resistor connec-
•
tion.
Increase the ramp-down time.
•
Activate the DC link voltage controller.
•
Use a braking resistor.
•
Increase the current limit of the infeed or
•
use a larger module.
Check the device supply voltage.
•
Check the line supply phases.
•
Check the line supply voltage.
•
Check the line supply infeed and observe
•
the fault messages relating to it (if there are
any).
Check the line supply phases.
•
Check the line supply voltage setting.
•
6FC5397-4EP10-0BA8, 07/2018
Commissioning Manual