What you can safely check
Write down the exact code and model. Check the model manual; the same code can mean different things on different systems.
What might need a technician?
Codes guide diagnosis but are not a complete diagnosis on their own. Sensor, control, communication or system checks may be needed.
Do not open electrical compartments, bypass safety devices, handle refrigerant or climb to reach the outdoor unit. If there is smoke, a burning smell or electrical danger, stop using the AC and keep clear.
Help us understand the fault
Write down when the symptom began, the full model number and any error code. Mention recent cleaning, installation or repairs. These details help plan the inspection; they do not replace an on-site diagnosis.
Arrange suitable help
Read about the relevant repair service or call 9413778916. Visiting charges start from ₹500; repairs and parts are quoted separately.
Read the safe DIY guide for routine user-level checks.