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warning Kickass
Error Code Er3 - Red LED Slow Blink: Fault code during initial charge step. Battery voltage doesn’t reach a normal condition for charging.
Fault detected during the initial soft start stage where battery voltage does not stabilize within required limits.
? What Causes This
Voltage cannot rise or remain stable; possible loose connections, corroded terminals, or poor quality battery.
✓ How to Fix It
Retest with new alligator clips and ensure clean terminals. Replace faulty/bad quality batteries as needed.
Source: page 23 of the official manual
From the manual
This error code appears in:
Kickass Kachg1222