TR-300 PAPR Trouble Shooting Guide
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Fault/Problem
Possible Cause
Possible Solutions
Battery pack’s charge lasts less
than expected.
1) Inadequate charging.
2) High efficiency (HE)
filter is loaded with
particles, making the
motor run harder.
3) Battery pack reaching end
of service life.
As the
battery pack ages, it will
normally lose capacity.
An older battery pack may
not run as long as a new
battery.
4) Use at high elevation
(above 2600 ft (800m)).
5) Using TR-330 Economy
battery pack, situation
may require high capacity
battery pack.
1) Ensure battery pack is fully charged per battery
pack indicator.
2) Replace the high efficiency (HE) filter and
prefilter or spark arrestor/prefilter
if used.
3) Replace battery pack.
4) Changing high efficiency (HE) filter and prefilter
or spark arrestor/prefilter (if used)
more often may
help. Use alternate PAPR.
5) Install high capacity battery pack (TR-332).
At beginning of charge cycle,
charger display indicates error.
1) Internal software needs to
be reset.
1) Remove battery pack from charger. Place on
motor/blower and run for 30 seconds. Replace on
charger.
If situation does not resolve contact 3M
Technical Service.
“Power on” indicator on charger
not lit.
1)
AC power cord not
connected to wall outlet
or power cord not
connected to charger
cradle or 4-station base.
2)
Power cord not
functioning.
3)
Cradle not seated
properly in multi-base.
4)
Power supply (source)
not functioning.
5)
Defective charger cradle.
6)
Blown fuse (TR-344N)
1) Check all power supply connections.
2) Replace power cord.
3) Remove and reseat cradle.
4) Switch to an alternate power supply (source).
5) Replace charger cradle.
6) Replace fuse 250V; 15A.
Battery will not go into charge
mode (will not charge, no fault
indication on charger).
1)
Battery is fully charged.
2)
Battery not seated
properly in cradle.
3)
Defective battery.
4)
Defective charger.
5)
Battery too hot or too
cold.
6)
Charger cradle pins
broken or damaged.
1) No action necessary.
2) Remove battery and reseat in cradle.
3) Replace battery.
4) Replace charger.
5) Allow battery to return to room temperature.
6) Replace charger cradle.
Error message (amber and green
light flashing) on charger.
1) Fault condition identified.
2) Defective battery
1)
Remove battery from cradle and reinsert. Reseat
cradle in docking station if used. If situation does
not resolve contact 3M Technical Service.
2)
Contact 3M Technical Service.
Charger indicates complete
charge, but battery pack charge
status indicator shows less than
5 bars.
1)
Battery pack has reduced
capacity due to age or
damage.
1)
Remove battery pack from service and replace with
new pack.
Battery pack does not accept a
full charge.
1)
Charging location
(environment) or battery
excessively hot.
1)
Review procedure for battery charging in
the User
Instructions
. Charge battery in room temperature
location. Allow battery to cool to room
temperature prior to charging.
