Arcelik Air Conditioner Error CH23

⚡ Quick Answer: The Arcelik air conditioner CH23 error code indicates a communication failure between the indoor and outdoor units due to low DC link voltage in the o... ✅ DIY Fixable

What Does Error CH23 Mean?

The Arcelik air conditioner CH23 error code indicates a communication failure between the indoor and outdoor units due to low DC link voltage in the outdoor unit's inverter circuitry. This issue often results in the unit stopping operation and displaying the error code during startup or normal operation. If the problem persists, further inspection of the power electronics may be necessary.

Common Symptoms:

  • Unit stops operation and displays CH23
  • Occurs during startup or normal operation when DC link voltage drops

Possible Causes

  • Low DC link voltage in outdoor unit’s inverter circuitry (medium)

How to Fix Error CH23

DIY Fix Basic Reset and Observation

  1. Turn off the air conditioner using the remote or power switch
  2. Wait about 3–5 minutes to allow capacitors to discharge
  3. Turn the air conditioner back on and check if CH23 reappears

Technician Only Service Inspection for Power Electronics

  1. Measure DC link voltage levels in the outdoor unit with appropriate diagnostic tools
  2. Check power supply quality, capacitors, and inverter module conditions
  3. Replace faulty power electronics components if necessary

Parts needed: DC link capacitors, Inverter/drive power electronics module, Voltage sensors

🛑 When to Call a Pro:
  • If error persists after basic reset
  • If unit does not restart or shows other fault behavior

Next step

Choose the next step for CH23

Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.

Model number required

Browse by model — no specific failed part is claimed

Model-compatible Air Conditioner parts

Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.

Where can I find the model number?

Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.

Find a part that fits my model

Search results are not a diagnosis. Verify both the complete appliance model and the retailer's fit information before ordering.

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Optional routine care

Maintenance supplies

These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.

Maintenance supply

Air Conditioner Fin Cleaner

For routine cleaning of accessible coil fins when permitted by the manufacturer. Disconnect power and follow product and appliance instructions.

View maintenance supply
Maintenance supply

Model-Compatible Washable AC Filter

A reusable filter option only where the appliance supports one. Match the full model, dimensions, and filter specification.

Compatibility check required: use the complete appliance model and compare the existing filter, bag, or specification before ordering.

Find one that fits my model

Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.

Technical Specifications

note The previous model-independent part specification was removed. Verify the full model number and diagnosis in the manufacturer's official parts catalog before ordering.
part_number None

Common Questions

What does CH23 error mean on arcelik air conditioner?

CH23 indicates a communication failure caused by low DC link voltage in the outdoor unit's inverter.

Can I fix arcelik air conditioner CH23 error myself?

Yes, you can perform a basic reset by turning the unit off for 3-5 minutes and then restarting it.

How much does it cost to fix CH23 error?

Estimated repair costs range from $$ to $$$, depending on model and parts needed.

When should I call a technician for CH23?

Call a technician if the error persists after a reset or if the unit shows other fault behaviors.

Sources & References

Data last verified: 2026-07-31

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