1-time blink 2.5 seconds OFF — Frequency drop by current protection (Outdoor unit operates)

What does 1-time blink 2.5 seconds OFF (Outdoor unit operates) mean?

The outdoor unit LED blinks 1 time with a 2.5-second pause, and the unit is still operating. This indicates the compressor frequency has lowered because the input current exceeded approximately 10A. This is a normal protective operation, but underlying conditions may need checking. For MUZ-AP71, the current from the power outlet is nearing breaker capacity.

• Clogged indoor filters
• Low refrigerant amount
• Short-cycled air circulation for indoor/outdoor unit
• Power outlet current nearing breaker capacity (MUZ-AP71 models)

Click steps to track your progress.

1. 1

   Clean or replace the indoor air filters.

2. 2

   Ensure there are no obstructions around both the indoor and outdoor units to allow proper air circulation.

3. 3

   If the issue persists, a qualified technician should check for short refrigerant and proper air circulation.