What does it mean?
The manufacturer identifies CH44 as “Outdoor ambient sensor fault” for the covered air conditioner models. Code meanings can differ by model, region and platform; this is not proof that a specific part has failed.
Model match: No manufacturer-manual confirmed exact model list is available for this record. Check the model label and official manual.
Check your exact model manual; the same code can mean something else on other platforms.
The source describes the code; the failed part can only be confirmed by testing the appliance.
Open original manufacturer documentationSafe checks you can try
- 01
Check for visible obstructions near user-accessible doors or air…
Check for visible obstructions near user-accessible doors or air passages; do not open panels.
- 02
Make sure the appliance is in normal ambient conditions without…
Make sure the appliance is in normal ambient conditions without excessive ice or heat.
- 03
Try one user-authorised reset if the manual allows it
Try one user-authorised reset if the manual allows it; recurring sensor faults require service.
Safety and warranty: Meaning may vary by model. Gas combustion, live electrical work and sealed refrigerant circuits require licensed professionals. If you smell gas, leave the area and call emergency services.
What a technician would check
A qualified technician checks the sensor readings, connectors, wiring continuity and control-board input against the exact model specification.
How to verify the result
After a successful user-level check, normal operation should resume and the code should not return. If it repeats, a qualified technician should inspect the exact model.
Do not dismantle sealed systems, gas valves or electrical control boards. Warranty conditions vary by country and model.
Independent information website, not an authorised service provider.
Manufacturer source
https://www.arcelik.com.tr/blog/klima-hata-kodlariChecked on: 2026-11-10. Listed by manufacturer; verify exact model