Why does my server room cooling run nonstop but rack temps still exceed 85°F?
Your cooling runs constantly because airflow bypasses the racks, hot and cold air mix, or the cooling capacity is undersized for the…
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Data Centers & Server Rooms
Practical, step-by-step fixes for data centers & server rooms problems — 59 published so far.
Why does my server room cooling run nonstop even though the temperature reads normal?
Your cooling runs constantly because the thermostat sensor is likely placed in a cold aisle or near a vent, causing it to…
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Why does my server room overheat even though the AC is running?
Your server room can overheat with the AC running when airflow is blocked, hot exhaust air recirculates into intake vents, or the…
See the fixWhy does my server room UPS battery die after only 2 years when it's rated for 5?
UPS batteries often die early because high ambient temperatures, frequent deep discharges, or poor ventilation accelerate chemical aging far beyond the rated…
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Why does my server room UPS battery fail after only 2 years when it's rated for 5?
UPS batteries rated for 5 years often fail in 2 because server rooms run hotter than 25°C, causing accelerated chemical aging —…
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Why does my server room UPS battery fail faster than its rated lifespan?
UPS batteries degrade faster than rated due to high ambient temperatures, frequent deep discharges, and inadequate maintenance, often cutting lifespan by 30–50%.…
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Why does my server room UPS battery fail years before its rated lifespan?
UPS batteries degrade faster than rated lifespan due to high ambient temperatures, frequent shallow discharges, and lack of regular load testing. Most…
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Why does my server room UPS keep going into bypass mode?
A UPS enters bypass mode when it detects an internal fault, overload, or overheating, routing utility power directly to the load without…
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Why does my server room UPS keep switching to bypass mode unexpectedly?
A UPS switches to bypass when it detects an internal fault, overload, overheating, or failed self-test, routing utility power directly to loads…
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Why does my server room UPS keep switching to bypass mode?
Your UPS switches to bypass mode when it detects an internal fault, overload, or overheating, forcing it to pass raw utility power…
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Why does my server room's cooling run nonstop but racks still overheat?
Your cooling runs constantly because airflow is blocked or mismatched to the heat load, so cold air never reaches the servers. Check…
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Why does my server room's cooling system run constantly even when servers are idle?
Your cooling system runs constantly because the thermostat setpoint is too low, airflow is blocked, or the cooling capacity is oversized for…
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