⚠
warning Ctek
Error Code Error Lamp
Indicates an issue with the connection or condition of the battery being charged.
? What Causes This
Possible incorrect polarity, wrong voltage, interrupted charging in steps 1, 2, or 5.
✓ How to Fix It
Check connections, ensure correct battery type and voltage, restart charger if necessary.
Source: page 14 of the official manual
From the manual
This error code appears in:
Ctek Mxs 5 0 Battery Charger