3M Versaflo TR-300 Посібник з усунення несправностей - Сторінка 2
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Fault/Problem
Airflow indicator shows proper
airflow, no alarm but user
perceives lower flow than
expected, continued
Low airflow as indicated by
airflow indicator but no
alarm(s).
Motor/blower low airflow
indicator alarms (audible and
fan LED flashing) but airflow
indicator reads adequate flow.
Motor/blower slow to float the
airflow indicator ball.
Motor/blower does not turn off
when power button is pressed.
User detects odor or taste of
contaminants or feels eye or
throat irritation.
Bottom bar of battery pack
charge indicator flashes.
Battery charge indicator shows
less than 5 bars after charging.
Possible Cause
comfort.
2) Breathing tube damaged
or improperly connected.
3) Airway obstructed in
breathing tube or
headgear.
1) Damaged circuit board.
2) Damaged motor.
3) Airflow indicator not held
in vertical position.
4)
Airflow indicator ball or
tube may be damaged or
dirty.
1) Use in high altitude
(above 2600 ft (800m)).
1) Ball stuck.
2) Not a malfunction.
3) Circuit board or other
system failure.
1) Power button not held an
adequate length of time.
2) Circuit board
malfunction.
1) Incorrect respirator for
application and /or
environment.
2) Breathing tube or
headgear damaged.
3) Breathing tube not
connected or improperly
connected to PAPR or
headgear.
4) High efficiency (HE)
Filter not in place or filter
gasket damaged.
5) Nuisance odor carbon on
filter is exhausted.
1) Low battery charge
(voltage).
1) Battery is past its service
life.
As the battery pack
ages, it will normally lose
capacity. An older battery
pack may show less than 5
bars after completing a
charge cycle or may not run
as long as a new battery.
TR-300 PAPR Trouble Shooting Guide
Possible Solutions
2) Inspect and replace or reconnect breathing tube.
3) Check breathing tube and headgear and remove
blockage or obstruction.
1) Contact 3M Technical Service.
2) Contact 3M Technical Service.
3) Ensure flow indicator is held in vertical position
during airflow check (consult TR-300 PAPR User
Instructions).
4) Rinse airflow indicator in clean water to help free a
stuck ball. If indicator is damaged replace with a
new airflow indicator.
1) Changing the high efficiency (HE) filter prefilter or
spark
arrestor/prefilter (if used)
3M Technical Service. You may need to use an
alternate PAPR
1) Rinse airflow indicator in clean water to help free a
stuck ball.
2) Under normal operation the TR-300 motor/blower
may take up to 1 minute to ramp up to a stabilized
airflow. Review airflow check procedures in the
TR-300 PAPR User Instructions.
3) If the motor/blower is taking longer than expected
for normal operation, contact 3M Technical
Service.
1) To turn off the motor/blower, press and hold the
power button for 2 seconds.
2) Remove battery and reinstall. If unit does not reset
contact 3M Technical Service.
1) Consult on-site industrial hygienist or safety
director.
2) Inspect breathing tube and headgear per their User
Instructions. Replace if damaged. Do not attempt
to repair.
3) Detach breathing tube and reconnect per User
Instructions.
4) Replace high efficiency (HE) filter.
5) Replace high efficiency (HE)/nuisance odor filter.
1) Recharge the battery pack.
1) Replace battery pack.
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