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Operation LED blinking

Operation LED blinking - Abnormal operation detected

Panasonic · Air Conditioning

What does Operation LED blinking mean?

The Operation LED is blinking, indicating that the system has detected an abnormality during operation. This signals a fault that requires diagnosis.

Common Causes

  • Various system malfunctions or protection controls have been activated.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Note the specific error code displayed on the control panel if available.

  2. 2

    Check the troubleshooting section for the displayed error code.

  3. 3

    Restart the unit by turning the power off and on.

  4. 4

    If the LED continues to blink, consult the error code table or contact support.

Browse all codes in this manual (53)
Verified technical data. Last updated: April 2026

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Source: Panasonic Air Conditioning
Open Manual (Page 54)Search more codes in this manual