Wired remote control wiring error — RUN LED OFF, TIMER LED flashes 5 times

What does 05 mean?

The system cannot receive signals from the wired remote control for 35 seconds. This indicates a problem with the remote control wiring, the remote control unit, or the indoor PCB.

• Broken wired remote control wire (specifically the Y wire being open)
• X and Y wires of the remote control are reversely connected
• Electrical noise penetrating the wired remote control lines
• Faulty wired remote control unit or indoor PCB

Click steps to track your progress.

1. 1

   Turn off the main power to the unit before inspecting wiring.

2. 2

   Inspect the wired remote control cable for any signs of breakage or damage, paying close attention to the Y wire.

3. 3

   Verify that the X and Y wires for the remote control are connected correctly at the terminals and are not reversed.

4. 4

   Check for any external sources of electrical noise that might be interfering with the remote control lines.

5. 5

   Ensure all remote control wiring connections are firm and secure.