Thermo Scientific 1310 Operating Instructions Manual page 51

7. Troubleshooting
PROBLEM
Contamination of work
in the cabinet
Operating Instructions Safety Cabinet | 1300 Series B2
CAUSE
Improper technique or
procedure for the
Biosafety Cabinet
Restriction of the return
air slots or grille
External factors are
disrupting the cabinet
airflow or the source of
the contamination
Cabinet is out of
adjustment/HEPA
filter(s) are defective
CORRECTIVE ACTION
See "Use of the Cabinet" section in the
manual.
Ensure that all return air slots, grilles and
the exhaust outlet are unobstructed.
See "Installation" section of this manual.
Have cabinet recertified.
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