List of Fault and Alarm messages
Faults and Alarms
3-397
© Siemens AG 2007 All Rights Reserved
SINAMICS G120 Control Units CU240S, Edition 05/2007
A00952 Belt Failure Detected
Reaction: NONE
Acknowledge: NONE
Cause: Load conditions on motor indicate belt failure or mechanical fault.
Remedy: Check the following:
• No breakage, seizure or obstruction of drive train.
• If using an external speed sensor, check the following parameters for correct function.
• If using the torque envelope, check parameters:
• Apply lubrication if required.
F01600 Passivated STO with drive fault
Reaction: OFF 2 (OFF 3)
Acknowledge: Quit fault eg. via DI2
Cause: A passivated safe torque off (passivated STO) has been initiated by hardware due to a drive fault:
• r0949 = 33: passivated STO acknowledge after a drive fault requires the OFF first and then an acknowledge
(ACK) to remove the safety fault! If however ACK is given first and then the OFF command, the alarm handler
clears the fault but the passivated STO is still active.
• r0949 = 100: The signals for the STO signal are not consistent on P1.
• r0949 = 101: Maximum speed exceeded on P1 during activation of the SS1. The estimated speed deviates
from the SBR monitoring ramp. When the drive is in VECTOR mode (with p1300 > 19):
• r0949 = 104: Communication timeout of processor P2 during forced dynamisation. The handshaking via hard-
ware lines has failed.
• r0949 = 106: Error in the mechanical brake or in the brake feedback path of P1.
• r0949 = 107: Error in the gate driver or feedback path of P1. Can happen when either the hardware measure-
ment circuit on the PM is faulty or when P1 and P2 are not synchronised.
• r0949 = 108: Signal debounce error on P1. The safety signals are not consistent for a longer time than parame-
terised in p9650/p9850.
• r0949 = 109: Hardware detection fault on P1. The hardware type (safety or non-safety module) has not been
recognised correctly.
• r0949 = 200: The STO signals are not consistent on P2. Avoid fast periodic activation and deactivation of the
STO.
• r0949 = 201: Maximum frequency exceeded on activation of SS1 on P2.
• r0949 = 202: Maximum frequency exceeded on activation of SLS in P2.
• r0949 = 204: Communication timeout of processor P2 during forced dynamisation. The handshaking via hard-
ware lines has failed.
• r0949 = 206: Error in the mechanical brake or in the brake feedback path of P2
• r0949 = 207: Error in gate driver or feedback path on P2.
• r0949 = 208: Signal debounce error on P2. The safety signals are not consistent for a longer time than parame-
terised in p9650/p9850.
• r0949 = 209: Hardware type could not be detected correctly on P2.
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