Labconco Protector 3930000 User Manual page 70

Chapter 8:
Troubleshooting
Refer to the following table if your Protector Work Station fails to operate
properly. If the suggested corrective actions do not solve your problem,
contact Labconco for additional assistance.
PROBLEM
Contaminants
outside of
enclosure.
Blower won't
operate.
66
CAUSE
Improper user
techniques for the
enclosure.
Restriction of the
baffle air slots or
blockage of the
exhaust outlet.
External factors are
disrupting the
enclosure airflow
patterns or acting as a
source of
contamination.
Enclosure has
improper face velocity.
Unit not plugged into
outlet.
Circuit breaker(s) or
Ground Fault
Interrupter.
Blower wiring is
disconnected.
Blower switch is
defective.
Motorized impeller
or blower is
defective.
CORRECTIVE ACTION
See "Certifying the Enclosure" Chapter 3
and "Safety Precautions" Chapter 4
sections in the manual. (Ref. Appendix D).
Remove obstruction to ensure that all air
slots and the exhaust outlet are
unobstructed.
See "Location Requirements" Chapter 2,
"Certifying the Enclosure" Chapter 3, and
"Safety Precautions" Chapter 4 sections of
this manual. (Ref. Appendix D).
Have enclosure certified and check
exhaust system. Check carbon filters for
loading. Check accessory FilterMate
HEPA filters for loading. Adjust enclosure
speed control. Enclosure should have an
average face velocity of 60-100 fpm.
Plug the enclosure into appropriate
electrical service.
Reset circuit breaker.
Inspect blower wiring.
Replace switch.
Replace motorized impeller or blower.
See Chapter 6.
Product Service 1-800-522-7658