This guide will address the issue where the Bitmain Antminer E9‘s hash rate is ZERO but can be recovered by restartinga.
Issue: after running for a period of time, the Bitmain Antminer E9’s hashrate shows “0”. Rebooting can assist in restoring the hashrate, though.
Possible causes and solutions:
1. High-temperature protection
Verify that the Bitmain Antminer E9’s temperature is within a normal range by checking it. The max operating temperature of Bitmain Antminer E9 is 80 degree Celsius.
2. PSU might have issue
If the miner status shows all chips “x”, test by replacing with a good known PSU. In the interim, make sure the power input voltage ranges from 210V to 240V.
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