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critical Innova
Error Code Red LED flashes on and off with alternator voltage less than 9 V
Indicates the vehicle's charging system voltage is below acceptable limits.
? What Causes This
Faulty alternator or battery issues reducing output voltages significantly.
✓ How to Fix It
Check and replace faulty battery/alternator as needed based on diagnostic readings.
Source: page 13 of the official manual
From the manual
This error code appears in:
Innova 5210