Dometic NDS L-20 Instructions De Montage Et De Sécurité page 21

Display item
The negative current
charging. In the latter case, the thunderbolt symbol is displayed on the battery icon.
To keep V and I values displayed, tap the "Setting" icon and check the phrase "Always show V and I".
Charging status icon Description
Note In order to keep the battery from discharging, the display dims after 2 min. After 15 min, it will turn
off. To turn the display back on and resume normal use, tap on it.
General protection
The control unit protects the house battery against excessive discharging and overloads. However, it is recommend-
ed that the house battery voltage does not fall below 10.5 V and does not exceed 15 V. If the house battery voltage
falls below 11.5 V, charge the battery immediately.
Protection alarms (3L-100B, 3L-150-P only)
If the display shows the 0 V value for the house battery, it is probable that the internal battery management system
(BMS) intervened to avoid the excessive discharge.
The control unit will allow a deeper discharge than the internal battery management system (BMS) of the house bat-
tery:
Function
value means that the battery is discharging and a positive value indicates that the battery is
Charging from a source other than the alternator (solar panels, chargers).
(Grey) Alternator not charging the battery.
(Red) Alternator is charging the battery.
Battery voltage, in Volts
Battery current, in Amperes
State of charge (SOC), in percentage
Graphic display of state of charge (SOC)
Charging status
Setting menu
Starter battery menu
"Close" button
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