Labconco Protector Premier 10040 Series User Manual page 42

Chapter 8: Troubleshooting
PROBLEM
Fume hood blower
operates but lights
will not operate
Contaminants
outside of fume
hood
Vertical sash no
longer operates
smoothly
Combination A-
Style sash no longer
operates smoothly
38
CAUSE
Lamp wiring is
disconnected.
Defective lamp
ballasts.
Improper user
techniques for the
fume hood.
Restriction of the
baffle air slots or –
blockage of the
exhaust outlet.
External factors are
disrupting the fume
hood airflow patterns
or acting as a source
of contamination.
Fume hood has
improper face
velocity.
Cable is frayed or
plastic protection is
damaged.
Pulley bearing is
damaged.
Cable or chain has
slipped off the
pulleys or sprockets.
Weight has broken
pulleys or sprockets.
Horizontal glass
panels have come off
the tracks.
CORRECTIVE ACTION
Inspect lamp wiring.
Replace lamp ballasts.
See "Certifying the Hood" Chapter 3 and
"Safety Precautions" Chapter 4 sections
in the manual. (Ref. Appendix E)
Remove baffles to ensure that all air
slots, and the exhaust outlet are
unobstructed.
See "Location Requirements" Chapter 2,
"Certifying the Hood" Chapter 3, and
"Safety Precautions" Chapter 4 sections
of this manual. (Ref. Appendix E)
Have fume hood re-certified and check
remote blower exhaust system. Hood
should have average face velocity of 60-
100 fpm.
Inspect cable and replace cable if worn
or damaged immediately; otherwise
injury could result.
Replace pulley, bearing or add grease.
Re-install, cable or chain must be
replaced immediately if damaged.
Replace pulleys or sprockets.
Re-install horizontal glass on tracks.
Product Service 1-800-522-7658
Original instructions