EMU1 monitoring fault

What does F109-186 mean?

Faulty monitoring of the external shutdown channel EMU1. This may be due to incorrect hardware connections or an inappropriately short pick-up or release time for the channel.

• Over-temperature condition detected by EMU1 module.
• Faulty thermal sensor reading from EMU1.
• EMU1 module internal fault.
• Insufficient cooling to the EMU1 module.
• Parameter P1082 (EMU1 monitoring) set incorrectly.

Click steps to track your progress.

1. 1

   Check hardware connections.

2. 2

   Check switch contacts.