Labconco Bulk Powder Stations 3962622 - Manual (Page 39)

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Chapter 8:
Troubleshooting
Refer to the following table if your XPert Bulk Powder Enclosure, System or
Station fails to operate properly. If the suggested corrective actions do not solve
your problem, contact Labconco for additional assistance.
PROBLEM CAUSE CORRECTIVE ACTION
Contamination outside
of enclosure
Improper user techniques for the
enclosure.
See “Using your Enclosure” Chapter 5 and
“Safety Precautions” Chapter 4 sections in the
manual.
Restriction of the baffle air slots or
blockage of the exhaust outlet.
Remove obstruction to ensure that all air slots
and the exhaust outlet are unobstructed.
External factors are disrupting the
enclosure airflow patterns or acting as
a source of contamination.
See “Location Requirements” Chapter 2,
“Certifying the Enclosure” Chapter 3, and “Safety
Precautions” Chapter 4 sections of this manual.
Enclosure has improper face velocity. Have enclosure certified and check exhaust
system. Check HEPA filters for loading. Adjust
enclosure speed control. Enclosure should have
an average face velocity of 60-100 fpm for
weighing procedures.
Blower won’t operate Unit not plugged into outlet. Plug the enclosure into appropriate electrical
service.
Circuit breaker(s) or Ground Fault
Interrupter.
Reset circuit breaker.
Blower wiring is disconnected. Inspect blower wiring.
Blower switch is defective. Replace switch.
Motorized impeller or blower is
defective.
Replace motorized impeller or blower.
Low face velocity or
poor containment of
contaminants
Enclosure sash not closed. Close sash to the lowest position.
HEPA filter clogged. Replace HEPA filter or increase speed.
Carbon filter loaded with chemicals. Replace carbon filter.
Blower and lights won’t
operate
Unit not plugged into outlet. Plug enclosure into appropriate electrical
service.
Circuit breaker(s) tripped. Reset or replace circuit breaker.