E14 (Flashes 3 times) - Master/slave system control wiring error

What does E14 mean?

The system displays E14 and the LED flashes 3 times, indicating a problem with the control wiring between the master and slave units. This could be an incorrect DIP switch setting or an open circuit in the wiring.

• Incorrect setting of SWS (DIP switches) on the indoor unit PCB for master/slave configuration.
• Incorrect control wiring between master and slave unit(s).
• Open circuit in the control wiring between master and slave unit(s).

Click steps to track your progress.

1. 1

   Turn off the system's power at the circuit breaker.

2. 2

   Wait for 30 seconds, then restart.

3. 3

   If you are an installer, carefully check the control wiring connections between the master and slave units.

4. 4

   Verify that the DIP switch settings (SWS) on the indoor unit PCBs are correct for the master/slave setup.