System watchdog

What does F37 mean?

An error has occurred in the fundamental system software sequence, indicating a potential internal processing issue. This fault causes an immediate switch-off with inhibit, often related to environmental electrical interference.

• Disruption in the inverter's internal system software sequence
• Electromagnetic interference affecting the inverter's internal processing
• Inadequate grounding or shielding of the inverter installation

Click steps to track your progress.

1. 1

   Check grounding and shielding of the inverter installation and improve if necessary.