Labconco Protector XStream Laboratory Fume Hoods 9840803 - Manual (Page 42)

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Chapter 8: Troubleshooting
PROBLEM CAUSE CORRECTIVE ACTION
Fume hood blower
operates, but lights
will not operate Lamp wiring is
disconnected. Inspect lamp wiring.
Defective lamp
ballasts.
Replace lamp ballasts.
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)
XStream Fume hood
has improper face
velocity. Have fume hood re-certified and check
remote blower exhaust system.
XStream Hood should have average
face velocity of 60-100 fpm.
Vertical 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.
Combination A-
Style Sash no longer
operates smoothly Horizontal glass
panels have come off
the tracks. Re-install horizontal glass on tracks.