Dometic PERFECTCHARGE SMP 439A Instrucciones De Montaje página 16

Using the device
Status LED
fig. 1 5, page 3
Red, quickly flashing
Red, slowly flashing
I
NOTE
In the event of a fault (the Status LED is red), refer to chapter "Trouble-
shooting" on page 18).
7.1 Battery charging function
The charging characteristics are referred to as modified IU0U characteristics.
U/V
1
I/A
I
100 %
1: I phase (bulk)
The empty battery is charged with constant current (100 % charging current). As
soon as the battery voltage has reached the charging voltage the charging current
decreases.
2, 3, 4: U0 phase (absorption)
During the 3-step absorption phase (U0 phase) the voltage remains constant (U0).
Once the battery is completely charged, the U0 phase has finished.
16
Meaning
Battery or battery charger is overheating
Battery over-/undervoltage or overload
2 3
U0
4 6
5
U
6 %
SMP439A
U
I
t
EN