COLD ROOM BREAKDOWN? 24/7 Emergency Repairs — 069 268 0988 · info@reyds.co.za
Fault Diagnostic · 24/7 Johannesburg

Cold Room Compressor Fault

A compressor fault can mean anything from a failed contactor to a mechanically seized compressor. Correct diagnosis prevents replacing a compressor that only needed a $20 part.

Fault Symptoms
  • [01]Compressor not starting
  • [02]Humming but not running
  • [03]Tripping on overload
  • [04]Unusual noise
Possible Causes
  • [01]Contactor failure
  • [02]Start or run capacitor failure
  • [03]Overload trip
  • [04]Refrigerant floodback damaging valves
  • [05]Mechanical seizure
Professional Diagnostic Process

We test electrical supply, contactor, capacitors, winding resistance and insulation, then system pressures, before assessing the compressor itself.

Repair Process

Electrical faults are repaired on the spot; mechanical compressor failure requires replacement — and we diagnose the underlying cause to protect the new compressor.

Frequently Asked Questions

What causes cold room compressor fault?

Contactor failure, Start or run capacitor failure, Overload trip, Refrigerant floodback damaging valves, Mechanical seizure.

Is cold room compressor fault an emergency?

If stock is at risk or temperature is out of control, treat it as an emergency and call immediately.

How is cold room compressor fault repaired?

Electrical faults are repaired on the spot; mechanical compressor failure requires replacement — and we diagnose the underlying cause to protect the new compressor.