Case Study

#120 | Environmental & Equipment Cooling

ProductChloride EPEM Critical Power UPS
ApplicationEmergency Lighting
SynopsisThe client had a power outage, and the load was protected and switched to the generator. However, after the power was restored, the UPS would not come back online from bypass.
Preliminary ActionsVisually inspected caps and tested warm batteries. Verified batteries to not to be issue. Adjusted equipment ‘levelers’, moved unit away from wall and removed back panel. Found 3 of the 5 cooling fans not spinning with warm internals. No open fan fuses found.
ResolutionRecommending to clients the continuous importance of proper housekeeping and electrical room cleanliness in accordance with codes and regulations, and pro-active replacement of aging cooling fans.
Root CauseInsufficient cooling due to dirty / dusty environment and aging cooling fans within the equipment that needed pro-active replacement prior to the time of failure.

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