Rheem / Ruud Central AC Error Codes
Complete list of Rheem / Ruud central ac error codes with causes and how to fix them.
1_FLASH
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Rheem / Ruud Central Air Conditioner error code 1_flash: System lockout …
Technician Required
10_FLASH
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Rheem / Ruud Central Air Conditioner error code 10_flash: Ignition lockout after …
Technician Required
2_FLASH
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Rheem / Ruud Central Air Conditioner error code 2_flash: Pressure switch stuck …
Technician Required
3_FLASH
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Rheem / Ruud Central Air Conditioner error code 3_flash: Pressure switch stuck …
Technician Required
4_FLASH
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Rheem / Ruud Central Air Conditioner error code 4_flash: Open high limit device.
Technician Required
5_FLASH
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Rheem / Ruud Central Air Conditioner error code 5_flash: Flame sensed without …
Technician Required
6_FLASH
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Rheem / Ruud Central Air Conditioner error code 6_flash: 115V power reversed / …
Technician Required
7_FLASH
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Rheem / Ruud Central Air Conditioner error code 7_flash: Low flame sense …
Technician Required
8_FLASH
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Rheem / Ruud Central Air Conditioner error code 8_flash: Low inducer speed.
Technician Required
9_FLASH
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Rheem / Ruud Central Air Conditioner error code 9_flash: Rollout switch open.
Technician Required
E1
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Rheem / Ruud Central Air Conditioner error code E1: Communication failure.
Technician Required
E2
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Rheem / Ruud Central Air Conditioner error code E2: High pressure fault.
Technician Required
E3
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Rheem / Ruud Central Air Conditioner error code E3: Low pressure fault.
Technician Required
E4
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Rheem / Ruud Central Air Conditioner error code E4: Discharge temperature …
Technician Required
E5
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Rheem / Ruud Central Air Conditioner error code E5: Ambient temperature sensor …
✓ DIY Possible
E6
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Rheem / Ruud Central Air Conditioner error code E6: Discharge pipe sensor …
✓ DIY Possible
E7
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Rheem / Ruud Central Air Conditioner error code E7: Defrost sensor failure.
✓ DIY Possible