List of faults and alarms
Faults and alarms
3-1105
© Siemens AG 2012 All Rights Reserved
SINAMICS S110 List Manual (LH7), 06/2012, 6SL3097-4AP10-0BP3
F07861 (A) External fault 2
Message value: -
Drive object: All objects
Reaction: OFF2 (IASC/DCBRAKE, NONE, OFF1, OFF3, STOP1, STOP2)
Acknowledge: IMMEDIATELY (POWER ON)
Cause: The BICO signal "external fault 2" was triggered.
See also: p2107 (External fault 2)
Remedy: Eliminate the causes of this fault.
Reaction upon A: NONE
Acknowl. upon A: NONE
F07862 (A) External fault 3
Message value: -
Drive object: All objects
Reaction: OFF2 (IASC/DCBRAKE, NONE, OFF1, OFF3, STOP1, STOP2)
Acknowledge: IMMEDIATELY (POWER ON)
Cause: The BICO signal "external fault 3" was triggered.
See also: p2108 (External fault 3)
Remedy: Eliminate the causes of this fault.
Reaction upon A: NONE
Acknowl. upon A: NONE
F07890 Internal voltage protection / internal armature short-circuit with STO active
Message value: -
Drive object: SERVO_S110-CAN, SERVO_S110-DP, SERVO_S110-PN
Reaction: OFF2
Acknowledge: IMMEDIATELY
Cause: The internal armature short-circuit (p1231 = 4) is not possible as Safe Torque Off (STO) is enabled. The pulses can-
not be enabled.
Remedy: Switch out the internal armature short-circuit (p1231=0) or de-activate Safe Torque Off (p9501 = p9561 = 0).
Note:
STO: Safe Torque Off / SH: Safe standstill
F07900 (N, A) Drive: Motor locked/speed controller at its limit
Message value: -
Drive object: SERVO_S110-CAN, SERVO_S110-DP, SERVO_S110-PN
Reaction: OFF2 (NONE, OFF1, OFF3, STOP1, STOP2)
Acknowledge: IMMEDIATELY
Cause: Motor has been operating at the torque limit longer than the time specified in p2177 and below the speed threshold
in p2175.
This signal can also be initiated if the speed actual value is oscillating and the speed controller output repeatedly
goes to its limit.
See also: p2175 (Motor locked speed threshold), p2177 (Motor locked delay time)
Remedy: - check that the motor can rotate freely.
- check the torque limit: For a positive direction of rotation r1538, for a negative direction of rotation r1539.
- check the parameter, message "Motor locked" and if required, correct (p2175, p2177).
- check the inversion of the actual value (p0410).
- check the motor encoder connection.
- check the encoder pulse number (p0408).
- for SERVO with encoderless operation and motors with low power ratings (< 300 W), increase the pulse frequency
(p1800).
- after de-selecting the "Basic positioner" (EPOS) function mode, check the motoring (p1528) and regenerative
(p1529) torque limit and modify again.
Reaction upon N: NONE
Acknowl. upon N: NONE
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