Red 4 Flashes, Green 7 Flashes (Single System) — VDD Permanent Stop Protection

What does Red 4 Flashes, Green 7 Flashes mean?

The red LED flashes four times and the green LED flashes seven times on the indoor unit. This indicates that the VDD (Voltage Dependent Detector) protection has permanently stopped the unit, likely due to a severe voltage irregularity.

• Severe overvoltage or undervoltage condition.
• Fault in the power supply circuit to the unit.
• Malfunction within the unit's power protection circuitry.

Click steps to track your progress.

1. 1

   Turn off the air conditioner's power at the main circuit breaker immediately.

2. 2

   Wait for at least 5 minutes to allow for a full system reset.

3. 3

   Before restoring power, check for any reported power issues in your area.

4. 4

   If the error reoccurs, contact an electrician to check your home's voltage supply and an HVAC technician for unit inspection.