49-1000418 Rev. 8
15
TROUBLESHOOTING
Normal Operating Sounds
Radio Frequency Interference
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and what may be creating them.
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the condenser fan spinning.
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toned humming sound while it is running.
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mechanisms. The defost cycle is automatic, and may
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won’t respond.
This product has been tested and found to comply
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interference, and (2) this device must accept any
interference received, including interference that may
cause undesired operation. This product generates, uses,
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in accordance with the instructions, may cause harmful
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does cause harmful interference to radio or television
reception, which can be determined by unplugging Opal,
the user is encouraged to try to correct the interference
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radio.
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conjunction with other antennas or transmitters.
