Using The Device - Dometic SMP439 Installation And Operating Manual

Using the device

If the LIN bus communication between the display and the battery charger is dis-
rupted, the battery charger switches to master mode after 10 seconds. The battery
charger uses the configuration that was last saved for the battery.
7 Using the device
1. Switch off all electric consumers which are connected to the battery.
2. Connect the battery charger to the mains.
✔ Depending on the charging condition of the battery, the battery charger starts
charging or supplies a retention voltage.
I
NOTE
• Connected DC loads prolong the charging time of the battery.
• If the power required exceeds the capacity of the battery charger the
battery cannot be charged.
Status LED
fig. 1 5, page 3 and fig. 2 6,
page 4
Orange, quickly flashing
Orange, slowly flashing
Orange, constantly lit
Green, constantly lit
Green, slowly flashing
Red, constantly lit
Red, quickly flashing
Red, slowly flashing
I
NOTE
In the event of a fault (the Status LED is red), refer to chapter "" on
page 19).
7.1 Battery charging function
The charging characteristics are referred to as modified IU0U characteristics.
16
Meaning
Phase 1
Phase 2
Phase 3
Phase 4
Phase 5
Short circuit, reversed polarity or defective internal
fuse
Battery or battery charger is overheating
Battery over-/undervoltage or overload
SMP439, 439-08
EN