What It Means
Hard lockout due to repeated open start circuit trips.
Rheem AC & Heat Pump
Rheem AC & Heat Pump Error Code L6
Troubleshooting guide for the Rheem AC & Heat Pump system fault L6.
Possible Causes
- Failed start capacitor or relay.
- Damaged start winding or wiring.
- Faulty control module.
Not sure which one it is — or if it's none of these? Try ACLogics today.
Disclaimer: This information is for general reference. Error codes can vary by model and production year. Always refer to your machine's specific manual and the information printed on the unit itself.
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Full Diagnosis
Compressor open start circuit lockout.
All Recorded Causes
Open start circuit detected repeatedly. Check start components, compressor start winding, wiring, and control before resetting.
Verify Before Replacing Parts
- Confirm the exact Rheem model family and ac and heat pump context before acting on a generic code description.
- Verify current draw, overload status, and control signal before condemning the compressor or drive, given that open start circuit detected repeatedly.
- Look for upstream conditions such as airflow or charge issues that may be pushing the compressor into protection, and check check start components, compressor start winding, wiring, and control before resetting.
- After the correction, run the system long enough to confirm the ac and heat pump fault does not return under normal load.
Not sure which system this Rheem code is on?
ACLogics has guided diagnostics for 57 Rheem fault codes and asks the right questions to narrow it down.
