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Technical Diagnostic Center

Common Appliance Problems & Diagnostic Guide

Identify what is wrong with your appliance, understand error codes, and discover root causes before booking our certified doorstep engineer.

Washing Machine Common Faults & Errors

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Drum Not Spinning / Jammed

Motor hums but drum won't rotate. Caused by worn carbon brushes, snapped drive belt, bad motor capacitor, or broken spider bearing.

Motor & Belt Replacement
Water Leakage from Bottom

Torn door rubber gasket seal, cracked drain pump housing, loose inlet hose connection, or oversudsing from detergent buildup.

Gasket & Pump Seal Fix
Heavy Vibration & Noise

Machine shaking violently during spin cycle. Caused by worn suspension shock absorbers, broken counterbalance springs, or tub bearing wear.

Shocker & Bearing Service
Water Not Draining / Trap Full

Water stands inside the tub after wash. Coin/lint trap choked, drain valve blocked, or drain motor impeller burned out.

Drain Pump Overhaul
Digital Display Error Codes Guide:
Error Code Meaning Probable Cause Certified Solution
dE / dE1 / dE2 Door Lock Error Door micro-switch latch failure or latch misalignment. Door lock thermal actuator replacement.
OE / E20 Drainage Error Waste water outlet hose choked or drain pump failure. Drain pump unclogging & motor replacement.
IE / E10 Water Inlet Error Low water pressure, clogged mesh filter, or faulty valve. Inlet solenoid valve cleaning / renewal.
PE / FE Pressure / Overflow Error Pressure sensor level switch or frequency tube blockage. Electronic pressure transducer calibration.

Air Conditioner (AC) Common Faults & Causes

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AC Blowing Warm Air

Compressor running but no cooling. Caused by copper pipe refrigerant gas leak, clogged condenser fins, or faulty dual-run capacitor.

Nitrogen Leak Test & Gas Refill
Indoor Water Dripping

Water leaking from indoor AC unit onto the floor. Caused by algae-choked drain pipe, cracked drain pan, or dirty iced-up evaporator coils.

Jet Pump Deep Drain Flush
Grinding & Rattling Noise

Loud rattling noise from indoor or outdoor unit. Caused by blower wheel misalignment, worn motor bearings, or loose compressor mounts.

Blower Motor Bearing Alignment
Inverter PCB Error / Tripping

AC turns off with error codes on remote. Caused by voltage surge burnout of outdoor inverter circuit module or sensor failure.

Chip-Level PCB Repair

Refrigerator & Deep Freezer Faults

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Refrigerator Not Cooling

Upper freezer cold but lower compartment warm. Caused by choked air damper vent, evaporator fan motor failure, or low refrigerant gas.

Air Damper & Gas Refill
Excess Ice in Frost-Free

Heavy ice blocking vents. Caused by failed defrost timer clock, burned defrost heater element, or defective bimetal thermal sensor.

Defrost Kit Replacement
Compressor Clicking / Tripping

Compressor clicks every few minutes without starting. Caused by burned PTC starter relay, faulty overload protector, or inverter board fault.

Relay & Overload Protector Fix
Water Pooling at Bottom

Water gathering under vegetable crisper drawers. Caused by clogged defrost drain hole forcing meltwater back into fresh food chamber.

Defrost Drain Line Unblocking

Microwave Oven & LED TV Diagnostics

Microwave Not Heating

Timer counts down and plate turns, but food remains cold. Caused by high-voltage magnetron tube failure, blown HV diode, or capacitor.

Magnetron & Diode Renewal
Sparking Inside Microwave

Visible electrical sparks and crackling noise during operation. Caused by burned mica waveguide cover sheet or metal food particle buildup.

Waveguide Mica Cover Change
TV Sound OK, Black Screen

Audio plays perfectly but picture is completely dark. Caused by failed LED backlight strips behind display panel or LED driver board.

Original LED Backlight Array
Lines on TV Display

Vertical/horizontal colored lines or double image. Caused by T-Con board failure, loose LVDS ribbon cable, or panel gate driver COF fault.

T-Con Board & Panel Bonding

Geyser, Chimney & Dishwasher Faults

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Geyser Water Not Heating

Power light is ON but water stays cold. Caused by burned heavy-duty copper heating element, tripped thermal cutout, or scale insulation.

Heating Element & Thermostat Fix
Kitchen Chimney Suction Weak

Smoke spreads in the kitchen. Caused by grease-saturated baffle filters, heavy carbon accumulation in blower wheel, or weak motor capacitor.

Deep Chemical Degreasing
Dishwasher E4 Error / Leaking

Continuous beeping and water standing at bottom tub. Caused by jammed drain impeller, blocked wash spray arm nozzles, or door seal leak.

Impeller Unclog & Gasket Fix
What You Should Do (Safety Protocol)
  • Disconnect Power: Immediately turn off the main switch if you notice burning smell or sparks.
  • Turn Off Water: Shut the inlet tap immediately during washing machine or geyser water leakage.
  • Keep Note of Error Codes: Note down digital display errors (e.g., dE, OE, E4) before calling us.
  • Allow Adequate Ventilation: Open windows if an AC refrigerant gas leak is suspected.
What You Should Avoid (Do Not Attempt DIY)
  • Never Open Microwave Housings: Microwave high-voltage capacitors hold lethal charge even when unplugged.
  • Do Not Use Damaged Plugs: Never operate a geyser showing current leakage with makeshift extension boards.
  • Avoid Puncturing Freezer Coils: Never use sharp knives to scrape ice from refrigerator cooling plates.
  • Do Not Force Jammed Doors: Forcing a locked front load washing machine breaks the door hinge and latch.

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