
14 | VEHICLE HEATERS – TECHNICAL DOCUMENTATION
4 MAINTENANCE
CHARGED STATUS OF THE MOBILE UNIT'S
BATTERY
LED: lights up red
for 4 seconds
If the LEDindicator of the mobile unit indi-
cates that the battery is too weak with a red
indicator, purchase a CR 2032 type round cell
battery made by Varta, Sony or Renata, as
recommended by JE-Eberspächer.
REPLACING THE BATTERY
Open the battery compartment
Remove dead battery.
Insert new battery.
The battery has been correctly inserted if
the plus pole symbol and the type designa-
tion of the battery can be read.
Put on the battery compartment cover and
latch into place.
Activate the mobile unit (see page 8).
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