Fault guide · medium urgency
Compressor Running Constantly
The compressor never rests, driving up energy use and wear.
When to contact
Constant running shortens compressor life — book a service before it fails entirely.
What you may observe
Continuous hum; high electricity bills; cabinet warm at the sides; eventual cut-out.
Likely cause
Poor ventilation, refrigerant undercharge, or a stuck contactor / control fault.
What to do now
- Note any error codes on the display.
- Check the unit is ventilated and not overfilled.
- Avoid switching the unit off and on repeatedly.
- Book a specialist diagnostic before stock is affected.
Fault + Location
This fault across Pretoria East
Specialist diagnosis of this fault in the premium suburbs and estates where collections are most at risk.
Direct line
Book a diagnostic for "Compressor Running Constantly"
A specialist will identify the root cause and quote before any work begins.