Operation LED blinks 3 times, Timer LED blinks 2 times, and wired remote shows 32 — Indoor unit PCB model information error (EEPROM error).

What does Operation 3 Times / Timer 2 Times / 32 mean?

There is an error with the Electronically Erasable and Programmable Read Only Memory (EEPROM) on the indoor unit's controller PCB, which stores model information.

• Poor ground connection to the unit.
• Nearby equipment causing harmonic waves (e.g., neon light bulbs).
• Damaged controller PCB.

Click steps to track your progress.

1. 1

   Reset the power to the indoor unit by turning it off at the circuit breaker, waiting 30 seconds, then turning it back on.

2. 2

   Check for any large electrical loads or equipment (like neon lights) operating nearby that might cause electrical interference.

3. 3

   Ensure the unit has a proper and secure ground connection.

4. 4

   If the error persists, professional service is needed to check or replace the controller PCB.