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panasonic | air-conditioner – Compressor Position Error or Locked Rotor
Error Codes (undefined): Troubleshooting, Fixes & Prevention Tips explained below.

What Does CH26 Mean?❓

The CH26 error means the inverter-driven compressor is not starting or running as expected. The AC’s control system tries to detect the compressor’s rotation position to start it correctly, but fails due to an obstruction, lock, or wiring fault.

air-conditioner - Causes of CH26 Error

  • Compressor rotor is locked
  • Power supply fluctuation or surge
  • Damaged or disconnected wires to the compressor
  • Faulty inverter PCB
  • Short circuit in compressor winding

air-conditioner - How to Fix CH26 Error❓

  • Reset the Power

    1. Turn off the air conditioner and unplug it.
    2. Wait for 5–10 minutes before restarting.

  • Check for Obstruction

    1. Ensure the compressor fan and blades are not blocked.
    2. Call a technician to inspect motor movement.

  • Inspect Wiring

    1. Look for burnt, loose, or broken wires around the compressor.

  • Replace Inverter PCB

    1. If wiring is fine, the inverter board may need replacement.

  • Check Power Supply

    1. Make sure voltage is within 220–240V range.

air-conditioner - Helpful Tips

  • Use a stabilizer to prevent power surges.
  • Avoid turning AC on/off rapidly.
  • Keep the outdoor unit clean to prevent blockage.
  • Schedule regular maintenance for compressors.
  • Always check voltage stability before use.

Frequently Asked Questions❓

Question: Is CH26 a serious error?
Answer: Yes, because it stops the compressor from functioning, preventing cooling.
Question: Can I fix CH26 myself?
Answer: Try restarting the AC. If the error remains, call a professional.
Question: Does this mean my compressor is damaged?
Answer: Not always. It may be a wiring issue or PCB fault.

When to Contact a Technician

If you experience any of the following issues even after completing the recommended troubleshooting steps, please contact an authorized service technician or our support team for further assistance.

  • The same error appears repeatedly after restarting or resetting the unit.
  • Multiple error codes appear simultaneously.
  • The device makes unusual noises, vibrations, or emits a burning smell.
  • The product fails to start, operate, or complete its function despite troubleshooting.
  • There are signs of electrical issues, physical damage, or leakage.
  • An unknown or unlisted error code appears on the display.

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