Event List - Danfoss iC7 Series Operating Manual

Operating Guide | iC7-Automation Functional Safety

Event List

4.10.4
Table 38: Group 0x54FE
Number Name
4628 STO activated.
Table 39: Group 0x61FF
Number Name
4608 Internal failure
4609 IO failure detected
4611 SS1
4612 SS1
4613 Warning detected
4614 Startup acknowledgment
needed
4615 Configuration mismatch
54 | Danfoss A/S © 2024.08
Functional Safety for Frequency Converters, Upgradable (+BEF2)
Cause
Safe Torque Off has been activated.
Cause
An internal failure was detected in the
safety system.
An IO failure was detected in the safety
system. See event details for more infor-
mation.
Safe Stop 1, instance 1 has been activated.
Safe Stop 1, instance 2 has been activated.
Detected a non-critical failure. The opera-
tion can continue.
Startup acknowledgment is needed.
The detected safety system differs from
the commissioned system.
Solution
If STO is activated unintentionally, check
the following:
• input cabling
• external activation
• external test pulse timing
• relevant safety parameters
Solution
Restart the system.
If the problem persists, contact Danfoss
customer support.
Check the safety IO circuit connections. If
an external test pulse is used, ensure that
the timing is within specification.
See
3.1.6 STO Properties.
If SS1 is activated unintentionally, check
the following:
• input cabling
• external activation
• external test pulse timing
• relevant safety parameters
If SS1 is activated unintentionally, check
the following:
• input cabling
• external activation
• external test pulse timing
• relevant safety parameters
Check event logs and messages in the
user interface for additional information.
Depending on the configuration, the ac-
knowledgment can be given via:
• Safe input
• MyDrive® Insight
• Fieldbus interface
• Control panel
If an advanced safety unit is replaced,
recommission the system.
AQ319741840653en-000401 / 136R0268