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LUNA 2.0 AI USER MANUAL
6 .4 Replacing the battery in the LUNA 2.0 AI
WARNING
The battery of the LUNA 2.0 AI is user-replaceable. The change must be made with particular care in order to prevent water
from seeping in. The warranty does not cover damages due to an improper placement of the battery.
LUNA 2.0 AI stores the tissue saturation information in non-volatile memory, so the battery can be replaced at any time between
dives without loss of information.
WARNING
• A leaking battery compartment cover may lead to the destruction of your LUNA 2.0 AI by water seeping in or may cause it to
switch off without prior notice.
• Always open the battery compartment in a dry and clean environment.
• Only open the battery compartment to replace the battery.
Procedure:
• Dry the dive computer with a soft towel.
• Remove the silicone protection cover.
• Unscrew the two screws of the battery compartment cover with a suitable 1.5mm Hex key.
• Carefully remove the old O-ring. Do not damage the sealing surfaces.
• Remove the old battery. Do not touch the battery contacts!
• Lubricate the O-ring with standard silicone grease.
• Slide the O-ring over the sealing surface on the battery cover.
IMPORTANT
Always insert a new O-ring when replacing the battery and discard the old O-ring. Make sure that the new O-ring is in good
condition and that the O-ring and sealing surfaces are free of dust and dirt. If necessary, clean the parts with a soft, lint-free
cloth. Only use original SCUBAPRO O-rings.
• Check the correct polarity of the battery before inserting it. LUNA 2.0 AI can be damaged if batteries are
inserted incorrectly. Insert the new battery with the “+” facing up. After the battery has been replaced, the
dive computer will perform an automatic test (appr. 8 seconds) and a short beep will sound when the test is
complete.
• Place the battery compartment cover back on. Alignment circles are used to position the lid correctly.
• Screw the battery compartment cover back using the same two screws. Tighten the screws alternately until
finger tight.
• Avoid self-tapping screws to cut new threads.
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