F6
Rheem
Compressor Current Sensing / IPM Overcurrent Fault
Rheem inverter system shows F6 and may not modulate capacity correctly; compressor may run at limited speed.
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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
Faulty current sensor on outdoor PCB, Shorted compressor winding, Loose compressor harness, Inverter IPM malfunction
How to Fix / Troubleshooting
Safety first: This involves high-voltage inverter electronics. Turn off power and wait for capacitors to discharge.
- Check harness: Inspect the compressor power harness from the inverter board to the compressor terminals. Ensure all connections are tight and undamaged.
- Visual board check: Look for burnt or cracked components near the current sensor area on the PCB.
- Professional diagnosis: Measuring compressor current and verifying IPM operation requires specialized tools. Contact a qualified Rheem technician.
Warning: Do not bypass current sensors or protective circuits. This can cause catastrophic failure.
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Repair Difficulty
Professional Required
5/5
Required Part
Rheem Outdoor Inverter Control Board / Compressor
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