Kospel
Short Cycling
Furnace frequently starts and stops (short cycling) even when heating demand is constant.
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Possible Causes
Oversized furnace for system, Incorrect control settings, Blocked or closed radiators, Faulty temperature sensor placement
How to Fix / Troubleshooting
Safety: No special hazards beyond normal; do not remove combustion covers while running.
- Open radiators: Ensure enough radiators or heating loops are open to absorb the furnace output.
- Adjust settings: Lower the flow temperature setpoint or adjust the heating curve on the Kospel controller to reduce overshoot.
- Check pump speed: Increase pump speed to improve heat distribution.
If short cycling persists, a heating professional should review system design and possibly adjust Kospel control parameters more deeply.
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Repair Difficulty
Easy
2/5
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