York HVAC Error Code L07: How to Fix It

Q: What causes York error code L07?

Error code L07 is caused by a defrost cycle timeout, usually due to a faulty outdoor coil temperature sensor that can't properly detect when the coil has defrosted during heating operation.

Q: Can I run my York heat pump with error code L07?

You should not continue running the system with error L07 as it can cause the unit to stay in defrost mode too long, reducing heating efficiency and potentially damaging components from overheating.

Q: How much does it cost to fix York error code L07?

If it's just a faulty coil sensor, replacement typically costs $50-150 for the part plus labor. However, if the control board is damaged, repairs can cost $300-600.

Q: How long should a York heat pump defrost cycle last?

A normal defrost cycle should last 2-10 minutes. If your York heat pump stays in defrost mode longer than 10 minutes, it will trigger error code L07.

Q: Why does my York heat pump keep getting L07 errors?

Recurring L07 errors often indicate a failing coil sensor, damaged wiring, or control board issues. Poor sensor contact with the coil or refrigerant system problems can also cause repeated timeouts.

Abstract

York HVAC error code L07 indicates a defrost cycle timeout, typically caused by a faulty coil sensor that prevents your heat pump from properly detecting when the outdoor coil has defrosted. This medium-severity error can leave your system stuck in defrost mode or prevent it from heating efficiently during cold weather.