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POWER LED blinking (2.5s ON, 0.5s OFF)

POWER LED blinking (long interval) — Unit is in standby mode

Panasonic · Air Conditioner Panasonic PRO Club

What does POWER LED blinking (2.5s ON, 0.5s OFF) mean?

The Power LED blinks with a longer interval (2.5 seconds on, 0.5 seconds off), indicating that the unit is in standby mode and waiting for further commands.

Common Causes

  • Unit is powered on but not actively operating
  • Standby mode activated

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Press the power button on the remote control to start operation.

  2. 2

    Ensure the unit is not set to a timer that is preventing immediate startup.

  3. 3

    Check the power supply to the unit.

Browse all codes in this manual (31)
Verified technical data. Last updated: April 2026

Related Faults

2 beeps2 beeps - Confirmation of Forced heating operation start3 beeps3 beeps - Remote Control Number Switch Mode standby4 beeps4 beeps - Remote Control Receiving Sound Off/On Mode standby
Source: Air Conditioner Panasonic PRO Club
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