PE6U21 makes a crackling/bubbling noise when first energized
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Posted: 2024-02-0311:19 AM
PE6U21 makes a crackling/bubbling noise when first energized
I have a APC SurgeArrest Essential Multi-Use. In recent months (probably nearing a year now), it has been making crackling noises when the I turn it on. Is this normal. Please note, this is not a UPS and these are not UPS buzzing noises. This is more of a crackling/bubbling noise.