Respironics Portable Battery Pack User Manual page 5

Replacing the Battery Fuse
If the battery fails to charge or operate your device,
check the fuse and replace it if it has blown, using
the instructions below. If the problem continues,
contact your home care provider.
1. Pull the battery cable through the opening in
the front pouch of the carrying case until the
fuse holder is accessible.
2. Remove the fuse holder. See Figure 2.
3. Replace the fuse with a standard mini 15 A
blue fuse. NOTE: To ensure proper operation of
your battery, use a 15 A fuse only.
4. Place the fuse holder back onto the fuse.
Figure 2: Replacing the Battery Fuse
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Replacing the Charger Fuse
If the battery fails to charge, check the fuse, located
in the auto adapter. If the fuse has blown, replace
it using the instructions below. If the problem
continues, contact your home care provider.
1. Open the fuse holder by turning the retaining
nut counter-clockwise.
2. Remove the tip of the fuse holder.
3. Replace the fuse with a 3 A fuse, being careful
not to dislodge the spring inside the fuse
holder.
4. Replace the tip of the fuse holder and
retaining nut. Turn the retaining nut clockwise
until the connection is tight.
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Figure 3: Replacing the Charger Fuse