| Fault | Symptoms | Common Causes | DIY Check | Professional Repair Needed |
|---|---|---|---|---|
| No Power Supply | No lights, no sound, completely dead | Unplugged unit, tripped circuit breaker, blown fuse, faulty outlet | Check plug connection, test outlet with another device, check circuit breaker | Replace outlet, rewire electrical connections |
| Faulty Power Cord | Intermittent power, no power, burning smell | Damaged cord, frayed wires, loose connections | Visually inspect cord for damage, check connection points | Replace power cord |
| Defective Compressor | No cooling, no humming sound, warm interior | Worn compressor, internal failure, seized motor | Listen for compressor running sound | Replace compressor or entire unit if cost-effective |
| Failed Start Relay | Clicking sound but compressor won’t start | Burnt relay contacts, electrical failure | Listen for repeated clicking | Replace start relay |
| Bad Start Capacitor | Compressor tries to start but fails, humming without starting | Capacitor failure, loss of charge | Requires multimeter testing | Replace start capacitor |
| Overload Protector Tripped | Compressor won’t run, may be hot to touch | Overheating, electrical overload, dirty coils | Allow compressor to cool, check if it restarts | Replace overload protector, clean coils |
| Defective Thermostat | No cooling cycle initiated, temperature control unresponsive | Broken thermostat, sensor failure, calibration loss | Try adjusting temperature settings, check for response | Replace thermostat or temperature control |
| Control Board Failure | Digital display not working, controls unresponsive, erratic behavior | Electronic component failure, power surge damage | Check if display lights up, try resetting | Replace electronic control board |
| Faulty Temperature Control | Unit doesn’t respond to temperature adjustments | Broken control switch, wiring issues | Test control by adjusting settings | Replace temperature control switch |
| Wiring Problems | Intermittent operation, complete failure, sparking | Loose connections, damaged wires, corrosion | Visual inspection for obvious damage (when unplugged) | Repair or replace damaged wiring |
| Door Switch Malfunction | Interior light doesn’t work, unit thinks door is open | Stuck switch, broken switch, wiring issue | Test if light comes on when door opens | Replace door switch |
| Locked Compressor | Humming sound but no operation, tripped breaker | Internal mechanical failure, lack of lubrication | Listen for unusual sounds when attempting to start | Replace compressor |
| Low Voltage Issues | Weak operation, frequent cycling, compressor struggles | Inadequate power supply, extension cord use, home electrical issues | Check if plugged directly into wall outlet | Address home electrical system, dedicated circuit |
| Defrost Timer Stuck | Won’t start cooling cycle, stuck in defrost mode | Timer motor failure, mechanical jam | Try manually advancing timer dial | Replace defrost timer |
| Condenser Issues | Compressor runs but no cooling, hot condenser coils | Blocked condenser, failed condenser fan | Check if condenser fan runs, clean coils | Replace condenser fan motor, clean system |
Quick Diagnostic Steps
- Check Power First: Verify outlet works, check circuit breaker
- Listen for Sounds: Identify clicking, humming, or complete silence
- Feel Temperature: Check if compressor is warm/hot or cold
- Visual Inspection: Look for obvious damage to cord, plug, or unit
- Reset Attempt: Unplug for 5-10 minutes, then reconnect
When to Call Refitec.co.ke
- Compressor issues (humming, clicking, or no sound)
- Electrical component failures (relay, capacitor, control board)
- Recurring problems after simple fixes
- Any situation involving complex diagnosis
- Safety concerns with electrical components
Emergency Service: Available 24/7 for urgent freezer repairs to prevent food loss.