Air Conditioner
AC Not Cooling
Air comes out of the blower but feels like a normal fan with no chilling effect in the room.
Check: Compressor capacitor, refrigerant pressure, outdoor fan motor.
Air Conditioner
AC Water Leakage
Water constantly drips or splashes from the indoor unit onto the wall or floor.
Check: Choked indoor drain tray, dirt in drain pipe, unit balance.
Air Conditioner
AC Showing Error Code
Digital display flashes codes like E1, E5, F3, or the timer light blinks rapidly.
Check: Sensor thermistor resistance, inverter communication wire, PCB.
Air Conditioner
AC Making Unusual Noise
Grinding sound from outdoor unit or rattling noise from the indoor blower wheel.
Check: Blower wheel balance, fan motor bush, outdoor fan blade alignment.
Air Conditioner
AC Not Starting
The AC does not turn on at all from the remote control or power switch.
Check: Power supply, display board, fuse, main PCB board.
Water Dispenser
Water Dispenser Not Cooling
Dispenser powers on and water flows, but the cold water tap yields room-temperature water.
Check: Cooling thermostat setting, compressor relay, rear coil dust.
Water Dispenser
Water Dispenser Leakage
Puddle of clean water forming around the dispenser base or cabinet floor.
Check: Bottle collar crack, internal hose clip, cold tank seam.
Deep Freezer
Deep Freezer Not Freezing
Items inside are staying chilled rather than hard-frozen; ice cream begins softening.
Check: Dual-mode thermostat switch, refrigerant level, door seal gasket.
Visi Cooler
Visi Cooler Temperature Problem
Beverages not cooling to the required 4°C; glass door sweats heavily with water condensation.
Check: Fan motor, digital thermostat calibration, door gasket.
Water Purifier
Water Purifier Not Working
Purifier makes buzzing sound or stays silent; no purified water flows into the storage tank.
Check: Power adapter, low pressure switch, sediment pre-filter choke.
Air Cooler
Air Cooler Not Cooling Properly
Air cooler runs but air feels dry and warm instead of cool and moist.
Check: Water pump lift, blocked distributor tray, honeycomb pad scale.
Mini Bar
Mini Bar Cooling Problem
Hotel room mini bar stays warm inside and beverages do not chill.
Check: Cabinet airflow vents, heating element, door seal.