F17 — Problem connecting optional accessories or additional contacts

What does F17 mean?

This error relates to issues with optional accessories or additional contacts that can be connected to the indoor unit. There may be a connection problem.

• Optional accessories are not correctly connected.
• There is a fault with the additional contacts.
• Wiring to the accessories or contacts is loose or damaged.

Click steps to track your progress.

1. 1

   Verify that all optional accessories are securely connected.

2. 2

   Check the wiring for any loose connections or damage.

3. 3

   Ensure the correct accessories are being used.

4. 4

   Turn off the unit, unplug it, wait 30 seconds, and plug it back in to reset.