CAUTION
Turn off the power of the gas monitor before
replacing the battery unit.
Detach and reattach the battery unit in a
non-hazardous area.
If the battery unit screw is not completely
tightened, the battery unit may drop off or
water may get in through the clearance.
Water may also get in if a minute foreign
substance is caught beneath the battery
unit.
Do not damage the rubber seal.
To maintain the water-proof and dust-proof
performances, it is recommended to replace
the rubber seal every two years, whether or
not it has an abnormality.
<Detaching Battery Unit>
(1) Loosen the two battery unit screws.
(They need not be completely detached.)
(2) Detach the battery unit.
(3) Attach a new battery unit.
NOTE
Make sure that the battery unit is installed in
correct orientation by checking the locations of the
connection terminal and projection portions.
(4) Securely tighten the two battery unit screws.
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