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critical Tenda
Error Code red LED flashes 8 times
Issues associated with router's system or configuration after pressing Reset button on router for more than eight seconds.
? What Causes This
Improper reset process affecting operational integrity and settings reset may have occurred.
✓ How to Fix It
Restart router following guidance from user manual; seek support for persistent issues.
Source: page 20 of the official manual
From the manual
This error code appears in:
Tenda Ac1200 Wifi 6 Router