Pattern error — Check thermostat wiring

What does Pattern error mean?

A pattern error has occurred, indicated by a 'w' during cooling mode. This suggests a problem with the thermostat or unit wiring.

• Thermostat wiring incorrect
• Unit wiring incorrect
• Thermostat malfunction

Click steps to track your progress.

1. 1

   Check that the thermostat wiring is correct according to the manual.

2. 2

   Verify the unit's wiring is properly connected.

3. 3

   If wiring is confirmed correct, the thermostat may be malfunctioning.