CodeRegistry
Brands
  1. Home
  2. Panasonic
  3. Air Conditioning
  4. OFF/ON LED blinking
About·Privacy·Terms

CodeRegistry — Your global library for technical solutions.

For your safety: always follow the equipment manufacturer’s official manuals. CodeRegistry is an independent help site and is not affiliated with the brands listed here.

OFF/ON LED blinking

OFF/ON LED blinking - System abnormality or protection activated

Panasonic · Air Conditioning

What does OFF/ON LED blinking mean?

The OFF/ON control panel LED is blinking, signaling that the system has stopped due to an abnormality or protection control activation. An error code should be visible on the timer display.

Common Causes

  • System fault requiring attention.
  • Protection control has been triggered.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the control panel's timer display for a specific error code.

  2. 2

    Refer to the error code table for diagnosis.

  3. 3

    Try resetting the error code by cycling power or using the ERROR RESET button.

  4. 4

    If the error reoccurs, professional diagnosis is required.

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

Related Faults

Error code on Timer display LCDError code on Timer display LCD - Specific fault identifiedF12F12 - Pressure switch activateF14F14 - Outdoor compressor abnormal revolution
Source: Panasonic Air Conditioning
Open Manual (Page 73)Search more codes in this manual