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whirlpool | air-conditioner Error Codes: Troubleshooting, Fixes & Prevention Tips explained below.

What Does CH10 Error Mean?❓

The CH10 error code indicates a communication failure between the indoor and outdoor units of the air conditioner. These two units constantly exchange data to maintain proper cooling. If they can’t communicate due to wiring issues, signal interference, or component failure, the system may stop working or show this error code.

air-conditioner - What Causes the CH10 Error?

  • Loose or disconnected communication wire
  • Damaged communication cable between units
  • Power supply fluctuations or brownouts
  • Faulty PCB in either indoor or outdoor unit
  • Incorrect wiring during installation

air-conditioner - How to Fix CH10 Error❓

  • Turn Off the AC Power

    1. Switch off the unit and disconnect from power source to prevent electric shock

  • Inspect Communication Wiring

    1. Check for any loose, burnt, or disconnected wires between indoor and outdoor units

  • Check PCB Board LEDs

    1. If LEDs are off or blinking abnormally, the board might be faulty

  • Tighten All Terminals

    1. Ensure all wiring screws are properly fastened

  • Call a Certified Technician

    1. A professional can test PCB boards and wiring for deeper faults

air-conditioner - Helpful Tips to Prevent CH10 Error

  • Ensure installation is done by a certified technician
  • Avoid tampering with wiring yourself
  • Use surge protectors to prevent power damage
  • Keep the outdoor unit area clean and ventilated
  • Have your system checked annually for wiring faults

Frequently Asked Questions About CH10 Error❓

Question: Can I fix CH10 by resetting the AC?
Answer: In some cases, yes. But if the wiring is faulty, it will appear again.
Question: Is CH10 a serious issue?
Answer: Yes, without communication between units, the AC cannot function properly.
Question: How much does wiring or PCB repair cost?
Answer: Wiring fixes may cost ₹300–₹800, while PCB replacement may cost ₹1500–₹4000 depending on the model.

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