43
C
C
H
H
A
A
P
P
T
T
E
E
R
R
8
8
T
T
R
R
O
O
U
U
B
B
L
L
E
E
S
S
H
H
O
O
O
O
T
T
I
I
N
N
G
G
A
A
N
N
D
D
S
S
E
E
R
R
V
V
I
I
C
C
E
E
R
R
O
O
P
P
E
E
R
R
A
A
T
T
I
I
N
N
G
G
L
L
O
O
G
G
Refer to the following table if your Filtered PCR Enclosure fails to
operate properly. If the suggested corrective actions do not solve
your problem, contact Labconco for additional assistance.
PROBLEM CAUSE CORRECTIVE ACTION
Class 100 (ISO 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.
Blower won’t
operate.
Unit not plugged
into outlet.
Plug the enclosure into appropriate
electrical service.
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