The cooling fans can get noisy if they get clogged. If this is the main issue, run a vacuum cleaner around the outlet & it may clear the issue. If not then call faults. Sluggish responses can be caused by signal issues as well as box issues.
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The cooling fans can get noisy if they get clogged. If this is the main issue, run a vacuum cleaner around the outlet & it may clear the issue. If not then call faults. Sluggish responses can be caused by signal issues as well as box issues.