Labconco Fiberglass 30 Series, Руководство пользователя

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Chapter 8: Troubleshooting
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34
Original instructions
PROBLEM CAUSE CORRECTIVE ACTION
Contaminants
outside of fume
hood Improper user
techniques for the
fume hood.
See “Certifying the Hood” Chapter 3 and
“Safety Precautions” Chapter 4 sections in
the manual. (Ref. Appendix D)
Restriction of the
baffle air slots or
blockage of the
exhaust outlet. Remove baffles to ensure that all air slots
and the exhaust outlet are unobstructed.
External factors are
disrupting the fume
hood airflow patterns
or acting as a source
of contamination.
See “Location Requirements” Chapter 2,
“Certifying the Hood” Chapter 3, and
“Safety Precautions” Chapter 4 sections of
this manual. (Ref. Appendix D)
Fume hood has
improper face
velocity. Have fume hood re-certified and check
remote blower exhaust system. Hood
should have average face velocity of 80-
100 fpm.
Vertical-rising sash
no longer operates
smoothly Cable is frayed or
plastic protection is
damaged. Inspect cable and replace cable if worn or
damaged immediately; otherwise injury
could result.
Pulley bearing is
damaged. Replace pulley, bearing or add grease.
Cable has slipped off
the pulleys. Re-install, cable must be replaced
immediately if damaged.
Weight has broken
pulleys. Replace weight pulleys.
Electrical duplex
outlet no longer has
power Wires not connected
or faulty duplex. Check wire connection or replace duplex.
Circuit breakers
tripped in building
electrical supply. Reset circuit breakers.
Service valves no
longer operate Faulty building
supply. Inspect building supply shut off valves
and appropriate pressures below the
recommended 40 PSI.
Valve no longer
operates. Replace valve and check for leaks.
Supply line or outlet
line has leaks. Inspect line for leaks and fix any leaking
plumbing connections.