System watchdog

What does 37 mean?

Immediate switch-off with inhibit. This indicates a fault in the system software sequence, possibly due to electrical noise or an internal software malfunction. This can lead to unstable operation and requires attention to prevent recurrence.

• The system's watchdog timer has timed out, indicating a software hang.
• CPU unable to perform its tasks within the expected time frame.
• Software interrupt storm or infinite loop condition.
• Critical hardware failure causing processor malfunction.

Click steps to track your progress.

1. 1

   Check grounding and shielding throughout the system and improve them if necessary to reduce electrical noise.

2. 2

   Contact SEW Service for advice if this fault reoccurs, as it may indicate an internal unit issue requiring specialized diagnosis.