CPU Coolers
Error codes, troubleshooting, and maintenance information for cpu coolers.
Last updated: 2026-02-20
Troubleshooting
View all →Common Failure Modes
On air coolers, only the fan can fail. On liquid coolers, the water pump inevitably fails or liquid permeates out.
Maintenance
View all →Check AIO Pump (Liquid Coolers)
For liquid coolers, listen for pump noise or gurgling. Pump failure stops coolant flow entirely.
Check Fan Operation
Ensure the fan spins freely and isn't making grinding noises. A failing fan leads to rapid CPU overheating.
Dust Removal
Dust clogging the heatsink fins drastically reduces cooling efficiency. Cleaning restores airflow and lowers CPU temps.
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