Remote control displays "WAIT" and Indoor Red LED keeps flashing — Communication error at initial operation

What does WAIT mean?

The system is detecting a communication error when first powered on. This message may appear if the main power breaker is repeatedly turned on and off too quickly.

• Blown power source fuse (20A) on the outdoor unit control
• Faulty outdoor unit PCB or indoor unit control PCB
• Defective or broken connection wires between units or to the remote control
• Electrical noise interference
• Improper power-on reset procedure

Click steps to track your progress.

1. 1

   Turn the main power breaker off, wait at least 3 minutes, then turn it back on.

2. 2

   Inspect the outdoor unit control board for a blown power source fuse (20A) and replace it if found to be blown.

3. 3

   Verify that all wires are securely connected between the indoor and outdoor units, checking for any signs of damage or looseness.

4. 4

   Check the remote control wiring for any damage or loose connections.

5. 5

   If the issue persists, there may be a defective indoor or outdoor unit control PCB, requiring professional service.