Quick Guide TCE NEOS Rev. 2.0 07/19
Final charging voltages
LED COLORS
LED Color
Description
Battery Charging Status
Green/Red alternate flash
Battery not connected
Red flash
Battery from 0% to 80%
Yellow Flash
Battery from 80% to 100%
Green flash
Battery at 100%
Red/Green/Red
Over voltage / Over current
Anomalies and faults
Red/Green/Red/Green
Environment temperature too high or too low
Green/Red
Charger overheating
Red/Green
Output under voltage
Red/Green/Red/Green/Red
Input AC anomaly
TROUBLESHOOTING
LED Color
Description
Solutions
Green/Red alternate flash
Battery not connected
Check if the connection between battery and
charger is loose, if there is reverse polarity or if
the battery voltage too low
Red/Green/Red
Over voltage / Over current
If this error occurs often, return to factory for
repair/inspection
Red/Green/Red/Green
Environment temperature too high or too low
Check the environment temperature and make
sure the ventilation is good. Also check the
temperature sensor location.
Green/Red
Charger overheating
Check if the environment temperature is too
high and if ventilation is good
Red/Green
Output under voltage
Return to factory for repair/inspection
Red/Green/Red/Green/Red
Input AC anomaly
Check the input voltage to match the charger
specifics and plug connection
Battery Type
Final charging voltage
Lead Acid “heavy duty”
2,68 V/Cell
Lead Acid “light duty”
2,4 V/Cell
GEL
2,35 V /Cell
AGM1
2,38 V/Cell
AGM2
2,45 V/Cell
Charging Current
Battery Voltage
