Findings library
Poor contact in a rooftop RTU disconnect
Abnormal heating inside a non-fused rooftop disconnect supplying cooling equipment, consistent with poor contact at the knife blade or pivot.
What was found
Thermal imaging identified abnormal heating within the rooftop disconnect supplying cooling equipment serving the data center.
Why it mattered
This disconnect supplied cooling equipment serving the data center.
Potential consequences
Loss of rooftop cooling equipment can increase server temperatures and reduce cooling redundancy.
Recommendation
Inspect, disassemble, clean and reassemble to proper component torque. Replace component if necessary.
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