Scotsman
No Cooling / Refrigeration System Failure
Unit runs but makes no ice at all, evaporator does not get cold
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Loss of refrigerant charge, failed compressor, blocked capillary tube or expansion device, hot gas valve stuck open
How to Fix / Troubleshooting
Safety: Turn off power. Refrigerant systems must be serviced by certified personnel.
- Check condenser fan and compressor: Ensure both are running. If the compressor is not running, diagnose start components first.
- Feel refrigerant lines: Carefully touch the suction and discharge lines. If both are at room temperature after several minutes of run time, there may be no refrigerant flow.
- Inspect hot gas valve: If the hot gas valve is stuck open, the evaporator may not cool. A technician can test coil voltage and valve operation.
- Professional service: A licensed technician should connect gauges, check for leaks, repair any found, evacuate, and recharge the system to Scotsman specifications.
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Repair Difficulty
Professional Required
5/5
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