Here are two generic issues that Antminer D7 fans frequently encounter along with their corresponding fixes.
Table of Contents
The Arithmetic Interface Shows That the Fan is Abnormal Or the Speed is 0.
Causes and Treatment
The four fans on the mining machine are labeled FAN1, FAN2, FAN3, and FAN4, respectively, on the control board and user panel, respectively. Replace the appropriate fan after first determining which one is abnormal; if the issue persists after doing so, the control board is likely damaged, so you should take it back to the manufacturer for repair.
Too High Speed
Causes and Treatment
The corresponding fan must be replaced because the damaged fan.
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