Troubleshooting steps
Check temperature sensors verify system operation check for obstructions
HVAC Error Codes
SC – Short cycle
Short cycling detected
Details
System is cycling on and off too frequently.
Error typewarning
MeaningShort cycle
Typical causesOverheating overcooling sensor fault
SolutionsCheck temperature sensors verify system operation check for obstructions
Severitymedium
Catalog references
Where this appears
TraneSC
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FAQ
Common questions
What causes short cycling?
Short cycling is caused by rapid temperature changes or sensor issues.
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