Faults and Alarms
List of Fault and Alarm messages
3-404
© Siemens AG 2007 All Rights Reserved
SINAMICS G120 Control Units CU240S, Edition 05/2007
A01690 Safety parameter changed
Reaction: NONE
Acknowledge: NONE
Cause: The warning indicates that at least one parameter has been changed in the safety commissioning or safety reset.
Remedy: Finish safety commissioning by setting p3900 = 10 or p3900 = 11 or wait until safety reset is complete.
A01691 SLS signal inconsistency
Reaction: NONE
Acknowledge: NONE
Cause: Problem with the consistency of the safety input signals. The drive reduces the frequency according to the settings
of the SS1.
When zero frequency is reached, the passivated STO is entered and a drive fault is issued.
Remedy: Check consistency of safety input signals and acknowledge the following safe torque off due to a drive fault.
A01692 Speed for SLS exceeded
Reaction: NONE
Acknowledge: NONE
Cause: a) Output frequency when entering the SLS is higher than p9690 and p9692 is configured to trigger a passivated
STO with a drive fault.
b) Output frequency exceeds the SLS tolerance p9691.
In both cases, the frequency is reduced according to the settings for the SS1, then the passivated STO state is
entered and a fault is generated.
Remedy: ad a) Reduce speed before entering the SLS or change the setting in p9692.
ad b) increase the tolerance in p9691/p9891 compared to p9690/p9890.
In both cases the passivated STO will be entered once zero frequency is reached. Acknowledge the passivated STO
and the drive fault.
A01696 Switch-on is inhibited
Reaction: NONE
Acknowledge: NONE
Cause: Switching on of the drive not possible and the drive will therefore remain in the READY state (see r0002).
Remedy: Check if a deactivated gate driver or the current safety mode (STO, SS1, SLS) is inhibiting the start. Check the inhibit
bit (r0052.6).
A01697 Wrong safety param. data
Reaction: NONE
Acknowledge: NONE
Cause: Semaphore problem at startup. Cannot load last safety parameters. Loading default values instead.
Remedy: Restart drive (perform power cycle) to load correct safety data.
A01698 Safety commis./reset act.
Reaction: NONE
Acknowledge: NONE
Cause: The safety reset or the safety commissioning are currently active (selected via p0010 = 95).
Remedy: Finish commissioning with p3900 = 10 (accept changed) or p3900 = 11 (discard changes) or wait until safety reset
is complete.
A01699 Forced dynamis. required
Reaction: NONE
Acknowledge: NONE
Cause: Dynamisation timer (see r9660) has expired. A new dynamisation test is required.
Remedy: Select and then de-select STO (p9601.bit1 and p9801.bit1 must be set).
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