Labconco Purifie Horizontal Clean Benches 3970424 - Manual (Page 46)

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C
HAPTER
8
T
ROUBLESHOOTING AND
S
ERVICER
O
PERATING
L
OG
Refer to the following table if your Vertical Clean Bench fails to operate properly.
If the suggested corrective actions do not solve your problem, contact Labconco
for additional assistance.
PROBLEM CAUSE CORRECTIVE ACTION
Class 5 air conditions
are not present inside
the enclosure. Improper user
techniques for the
enclosure. See “Certifying the Enclosure” Chapter
3 and “Safety Precautions” Chapter 4
sections in the manual. (Ref. Appendix
D).
External factors are
disrupting the
enclosure airflow
patterns.
See “Location Requirements” Chapter
2, “Certifying the Enclosure” Chapter
3, and “Safety Precautions” Chapter 4
sections of this manual. (Ref. Appendix
D).
Enclosure has
improper downflow
velocity. Have enclosure certified and check
exhaust system. Check HEPA filters for
loading. Adjust enclosure speed
control. Enclosure should have an
average downflow velocity of 30-65
fpm.