Antminer S19 – Temp Sensor Failure
temp sensor read failed
Critical — Immediate action required
Symptoms
- Temperature reads 0°C or -40°C on one hashboard
- Miner refuses to start hashing on affected board
- Kernel log shows sensor read errors
Step-by-Step Fix
Power off the miner.
Reseat the hashboard ribbon cable connections to the control board.
Inspect ribbon cables for damage or bent pins.
Try swapping hashboard positions to determine if the issue follows the board or the slot.
If issue follows the hashboard, the temperature sensor IC on the board is likely damaged and requires professional repair.
When to Seek Professional Repair
If the steps above do not resolve the issue, or if you are not comfortable performing these repairs yourself, professional service is recommended. Attempting advanced repairs without proper equipment can cause further damage.
Related Error Codes
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