Red 7 Flashes, Green 2 Flashes (Single System) — High Discharge Temperature

What does Red 7 Flashes, Green 2 Flashes mean?

The red LED flashes seven times and the green LED flashes two times on the indoor unit. This indicates that the discharge temperature of the compressor is excessively high.

• Low refrigerant charge.
• Dirty outdoor coil restricting heat dissipation.
• Outdoor fan not operating correctly.
• Restriction in the refrigeration system pipework.

Click steps to track your progress.

1. 1

   Turn off the air conditioner and allow it to cool down.

2. 2

   Clean the outdoor unit's coil and ensure there are no obstructions blocking airflow.

3. 3

   Verify the outdoor fan is spinning freely when the unit attempts to operate (with caution, power off first).

4. 4

   If the issue reoccurs, a technician should check refrigerant levels and system pressures.