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F26 -02

F26 -02 — Incorrect data transfer (signal) between remote control and board

Panasonic · air conditioners Error codes

What does F26 -02 mean?

Data signals between the remote control and the main board are not being transferred correctly. This could be a signal interference or a board issue.

Common Causes

  • Signal interference affecting communication.
  • A problem with the remote control's transmitter or receiver.
  • Malfunction of the main control board.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure there are no strong sources of interference near the unit or remote.

  2. 2

    Check for proper alignment between the remote and the unit's sensor.

  3. 3

    Try resetting the remote control if possible.

  4. 4

    Turn off the unit, unplug it, wait 30 seconds, and plug it back in to reset.

Browse all codes in this manual (60)
Verified technical data. Last updated: April 2026

Related Faults

F15F15 — Condensate drain issue or drain pan overflowF16F16 — Blinds (vents) motor not connected or malfunctioningF17F17 — Problem connecting optional accessories or additional contacts
Source: Panasonic air conditioners Error codes
Open Manual (Page 3)Search more codes in this manual