E19 / 1 Red Flash - Improper operation mode setting

What does E19 / 1 Red Flash mean?

The remote control displays E19, and the indoor unit's red LED flashes once (while the green LED keeps flashing). This indicates an improper operation mode setting within the indoor unit's control PCB.

• Incorrect setting of the operation mode

Click steps to track your progress.

1. 1

   Verify the operation mode settings on your remote control and in the system configuration menu.

2. 2

   Ensure that the selected mode (e.g., Cooling, Heating, Fan) is appropriate for your current needs.

3. 3

   If there are advanced installation settings, consult the manual to confirm they are correctly configured for your system type.

4. 4

   If the problem persists, contact a service technician to review the control PCB settings.