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Fault
All LEDs flash and
alarm
Low airflow alarm
(audible and/or LED
flashing)
Bottom bar of battery
pack indicator
flashes; battery alarm
sounds
No airflow, no
alarm(s)
Low airflow as
indicated by flow
meter but no alarm(s)
User detects odor or
taste of contaminants
or feels eye or throat
irritation
Battery pack's charge
lasts less than
expected
The motor runs
"faster than normal"
IMPORTANT NOTICE
WARRANTY
3M warrants that 3M™ Versaflo™ Powered Air Purifying Respirator TR-300+ (PAPR) and all 3M™ Versaflo™ PAPR
and Supplied Air Respirator (SAR) Systems, and their component parts will be free from defective materials and
workmanship at the time of purchase and will cover the parts listed below for the time periods indicated, provided
they are maintained and used in accordance with the product's User Instructions and/or recommendations. The only
3M obligation under this Warranty will be, at 3M's option, to repair or replace without charge any defective parts of the
3M™ Versaflo™ Respirator Product returned to 3M in accordance with the instructions below and found by 3M to
have been defective at the time of purchase or during the warranty period as applicable. This Warranty does not apply
to any parts that have been misused, altered or had repair attempted, or have been subjected to abuse, accidental or
otherwise. The Warranty does not apply to expendable consumables, accessories, or fabric components such as but
not limited to: filters/cartridges, face seals, shrouds, hoods and head covers, and visors.
Warranty time periods for specified parts:
PAGE 17 OF 76
Possible Cause(s)
1. System software malfunction
1. Breathing tube is blocked
2. Air inlet is covered
3. Filter is fully loaded with particles
1. Low battery voltage
2. Battery pack not properly installed.
3. Battery pack past service life
4. Battery pack temperature too hot
> 140°F (> 60°C)
1. Battery pack contact on battery
pack is damaged
2. Battery pack is completely
discharged (no charge)
3. Damaged circuit board
4. Damaged motor
1. Damaged circuit board
2. Damaged motor
3. Flow indicator not held in vertical
position
1. Incorrect respirator for application
and/or environment
1. Inadequate charging
2. HE filter is loaded with particles,
making the motor run harder
3. Battery pack reaching end of
service life
1. The HE filter is loaded with
particles
– PAPR Blower Unit, excluding consumables: 1 year from date of purchase.
– Batteries: 250 full cycle equivalents or 1 year from date of purchase, whichever occurs sooner.
– Battery chargers, SAR Valves, SAR Panels, excluding consumables, and Respiratory Faceshields, Hard Hats, and
Helmets, excluding consumables: 1 year from date of purchase.
– CO monitors: 2 years from date of purchase.
Possible Solution(s)
1. To clear the alarm, power down motor/blower
unit and remove the battery pack. Allow unit
to sit for several minutes before reconnecting
battery pack and turning the unit back on. If unit
does not reset, contact 3M Technical Service.
1. Check & remove blockage or obstruction
2. Check air filter & remove obstruction
3. Change HE filter and prefilter or spark arrestor/
prefilter
1. Recharge the battery pack
2. Remove and reinstall battery pack
3. Install a new, fully-charged TR-300+ battery
pack
4. Bring to cool environment, allow battery pack to
cool
1. Check that the battery pack contact is not bent
or broken
2. Fully charge the battery pack
3. Contact 3M Technical Service
4. Contact 3M Technical Service
1. Contact 3M Technical Service
2. Contact 3M Technical Service
3. Ensure flow indicator is held in vertical position
during inspection
1. Consult on-site industrial hygienist or safety
director
1. Ensure battery pack is fully charged
2. Check the low flow indicator. Replace the HE
filter & prefilter or clean the spark arrestor
3. Replace battery pack
1. Check the low flow indicator. Replace the HE
filter & prefilter and clean the spark arrestor
2. Let the unit run for 2 minutes so it can
automatically adjust to the new filter or changes
to the filter configuration
17
H-11268
1-800-295-5510
0124 IH-11268VND
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