| Fault/Cause | Symptoms | Diagnosis Method | DIY Fix | Professional Repair Needed |
|---|---|---|---|---|
| Burnt Out Bulb | Light doesn’t turn on when door opens | Visual inspection of bulb filament | Replace bulb with same wattage and type | No – simple replacement |
| Faulty Door Switch | Light stays off or stays on permanently | Press switch manually; light should toggle | Clean or replace switch if accessible | Yes – if switch is hard to access |
| Loose Bulb | Intermittent light or no light | Check if bulb is screwed in properly | Tighten bulb securely | No – simple adjustment |
| Faulty Light Socket | New bulb doesn’t work; socket may be corroded | Inspect socket for damage, corrosion, or burn marks | Clean contacts with sandpaper if corroded | Yes – socket replacement requires wiring |
| Blown Fuse/Tripped Circuit | Entire refrigerator not working, including light | Check circuit breaker panel and internal fuse | Reset breaker or replace fuse | Depends on fuse location |
| Damaged Wiring | Light doesn’t work; may have flickering history | Visual inspection for frayed or disconnected wires | None – requires electrical expertise | Yes – electrical rewiring needed |
| Faulty Control Board | Light and other electronic functions not working | Multiple systems affected beyond just light | None – complex diagnostics required | Yes – control board testing/replacement |
| Incorrect Bulb Type | Bulb doesn’t fit or work properly | Compare with manufacturer specifications | Replace with correct bulb type (appliance bulb) | No – correct bulb purchase needed |
| Door Misalignment | Light stays on because door doesn’t press switch | Door doesn’t close fully or sit flush | Adjust door hinges and leveling | Depends on severity |
| Power Supply Issue | Whole refrigerator has no power | Check outlet with another device | Test outlet; check power cord connection | Yes – if internal electrical fault |
| Light Cover Broken | Light may work but cover is damaged/missing | Visual inspection of cover | Replace light cover | No – cosmetic replacement |
| Moisture/Condensation | Light works intermittently; moisture visible | Look for water around socket or switch | Dry area and improve ventilation | Yes – if causing electrical shorts |
Quick Troubleshooting Steps:
- First Check: Replace the bulb with a new appliance bulb (40-60W max)
- Second Check: Ensure bulb is screwed in tightly
- Third Check: Press door switch manually to test if it’s stuck
- Fourth Check: Verify refrigerator has power (check if compressor runs)
- Fifth Check: Inspect socket for corrosion or damage
When to Call bestappliancerepairs.co.ke/:
- Light doesn’t work after replacing bulb
- Socket appears burnt or damaged
- Door switch is broken or stuck
- Wiring appears damaged
- Multiple electrical components not working
- You’re unsure about electrical repairs
Professional Service: bestappliancerepairs.co.ke/ provides same-day light repair services including bulb replacement, socket repair/replacement, door switch replacement, and electrical troubleshooting for all refrigerator brands.
