GOOLOO S4 4 Amp Car Battery Charger Automotive 6V/2A 12V/4A Smart Trickle Charge

Troubleshooting Guide - Page 4

For S4.

PDF File Manual, 6 pages, Read Online | Download pdf file

S4 photo
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Error message
1. Reverse polarity or Short-circuit.
2. Battery voltage is 0.0V.
3. Charging a 12V battery with 6V STD mode, this error message will
appear.
Possible Reason
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