Common AC Problems & Repair in Chennai — Janani Cool Care Skip to content
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Common AC problems we repair in Chennai

From poor cooling and gas leaks to compressor and PCB faults — our verified technicians diagnose and fix every AC issue at your doorstep, for all major brands, backed by a 30-day service warranty.

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AC problems we fix

AC Not Cooling / Low Cooling

AC Not Cooling / Low Cooling

The unit runs but the room barely cools — often low gas, a choked filter or a weak compressor.

Blue Star Carrier Daikin Godrej Haier Hitachi
AC Slow Cooling

AC Slow Cooling

Cooling is noticeably slower than usual and the AC struggles to hold the set temperature.

Blue Star Carrier Daikin Godrej Haier Hitachi
AC Not Turning On

AC Not Turning On

The AC is completely dead — no response from the remote or the indoor unit.

Blue Star Carrier Daikin Godrej Haier Hitachi
AC Not Working

AC Not Working

The AC powers up but does not cool or behaves erratically during operation.

Blue Star Carrier Daikin Godrej Haier Hitachi
AC Not Functional

AC Not Functional

The system trips, restarts or shuts off on its own and will not run a full cycle.

Blue Star Carrier Daikin Godrej Haier Hitachi
AC Failed Compressor

AC Failed Compressor

The compressor hums, trips or stays silent — the heart of the AC needs diagnosis or replacement.

Blue Star Carrier Daikin Godrej Haier Hitachi
AC Gas Leakage

AC Gas Leakage

Refrigerant leaks starve the coil, so cooling drops off and the unit runs non-stop.

Blue Star Carrier Daikin Godrej Haier Hitachi
AC Water Leakage

AC Water Leakage

Water drips from the indoor unit — usually a blocked drain, iced coil or tilt problem.

Blue Star Carrier Daikin Godrej Haier Hitachi
AC Ice Formation

AC Ice Formation

Ice builds up on the coil or pipes, choking airflow and cooling.

Blue Star Carrier Daikin Godrej Haier Hitachi
AC Coil Problem

AC Coil Problem

A dirty, corroded or damaged evaporator/condenser coil kills efficiency and cooling.

Blue Star Carrier Daikin Godrej Haier Hitachi
AC Blockage

AC Blockage

Blocked filters, drains or airflow paths cut cooling and can cause leaks.

Blue Star Carrier Daikin Godrej Haier Hitachi
AC Strange Noises

AC Strange Noises

Rattling, grinding or buzzing points to a loose part, failing fan or bearing.

Blue Star Carrier Daikin Godrej Haier Hitachi
AC Outside / Outdoor Fan Problem

AC Outside / Outdoor Fan Problem

The outdoor fan does not spin or runs slow, so the unit overheats and cuts cooling.

Blue Star Carrier Daikin Godrej Haier Hitachi
AC External Unit Problem

AC External Unit Problem

The outdoor condenser unit fails, trips or overheats and needs on-site repair.

Blue Star Carrier Daikin Godrej Haier Hitachi
AC Thermostat Issues

AC Thermostat Issues

A faulty thermostat misreads temperature, so the AC over- or under-cools.

Blue Star Carrier Daikin Godrej Haier Hitachi
AC Sensor Problem

AC Sensor Problem

A defective temperature/room sensor makes the AC cycle wrongly or ignore the remote.

Blue Star Carrier Daikin Godrej Haier Hitachi
AC Remote Not Working

AC Remote Not Working

The remote or the unit's receiver fails, so settings cannot be changed.

Blue Star Carrier Daikin Godrej Haier Hitachi
AC Faulty Wiring

AC Faulty Wiring

Damaged or loose wiring causes tripping, no-power or intermittent operation.

Blue Star Carrier Daikin Godrej Haier Hitachi
AC Circuit / PCB Breakage

AC Circuit / PCB Breakage

A burnt or faulty control PCB stops the AC responding correctly.

Blue Star Carrier Daikin Godrej Haier Hitachi
AC Broken / Physical Damage

AC Broken / Physical Damage

Cracked panels, broken blades or physical damage need part repair or replacement.

Blue Star Carrier Daikin Godrej Haier Hitachi

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