Fault guide
Cold Room Compressor Not Running — Sandton Repairs
If the compressor is not running, the room cannot cool. The cause may be electrical, control or the compressor itself, and each needs a different repair.
Symptoms
- Compressor silent
- Room warming
- No vibration or hum from the unit
- Fan running but compressor not
- Breaker tripped
Possible causes
- Tripped breaker or earth leakage
- Failed contactor or relay
- Failed start capacitor or start components
- Control board or controller fault
- Compressor internal failure
- Tripped safety or overload control
Safe basic checks
- 01Check the breaker and isolator are on
- 02Check whether the controller is calling for cooling
- 03Note whether it trips immediately or after running
When to call a professional
Do not repeatedly reset a tripping compressor — switch off and call a technician. Compressor and electrical diagnosis requires qualified testing.
Do not attempt electrical, refrigerant or internal mechanical work. Call 069 268 0988.
Repair options
Contactor or relay replacement, capacitor replacement, control repair, electrical supply diagnosis, or compressor replacement where the compressor has failed internally.
Maintenance prevention
Electrical inspection and contactor checks at service visits catch most causes before they stop the compressor.
Speak to a technician
069 268 0988 012 546 6670 WhatsApp usFor urgent cold room breakdowns, call or WhatsApp to check technician availability for your site.
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Cold Room Compressor Not Running — book a repair
Contact us to check technician availability for your site in Sandton. Send your machine make, model and fault description and we will advise on the next step.