ERR_POOL
Warning
Antminer S19 – Cannot Connect to Pool
stratum connection failed, pool connection timeout
Warning — Should be addressed soon
Affected Models:
All Antminer models
Symptoms
- Dashboard shows pool connection failed
- No hashrate being submitted
- Accepted shares count stays at 0
- Red pool status indicator
Step-by-Step Fix
1
Verify pool URL format is correct (stratum+tcp://pool.address:port).
2
Check your worker name and password configuration.
3
Test network connectivity — can you reach the pool from a computer on the same network?
4
Try the pool backup URL if available.
5
Check if your ISP is blocking the pool port. Common ports: 3333, 25, 443.
6
If using a custom firmware, verify pool settings are compatible.
Related Error Codes
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