Shellab SSI10R-2 - Manual (Page 21)

SHEL LAB SI9/SI9R Shaking Incubator Operational Manual
21
Copyright © 2007 Sheldon Manufacturing. All rights reserved.
All specifications and features for this product are subject to change without notice.
Contamination
What is the problem? Possible Causes To solve the problem...
The chamber is contaminated. 
Your unit is not cleaned and
decontaminated often
enough.

If your unit becomes
contaminated even after
you follow an appropriate
maintenance regimen, the
source of the contamination
is probably not the
incubator.

1. See “Maintaining the Unit” on
page 15 for
recommendations and
instructions on
decontaminating your unit.
If this does not solve the
problem...
2. There are many sources of
contamination, such as water
baths, hoods, autoclaves,
reagents, disposables,
incubators and personnel. If
your unit becomes
contaminated even after you
follow an appropriate
maintenance regimen, the
source of the contamination
is probably not the incubator.
3. Call customer service. See
page 22
Refrigeration: SSI10R (SI9R) models only
What is the problem? Possible Causes To solve the problem...
The unit will not cool. 
The evaporator has too
much ice built up on it.

The unit is not calibrated
correctly.

There is not enough space
between the unit and
adjacent walls or partitions.

The door seal does not
work properly.

1. For diagnostics purposes,
turn the OTP fully clockwise.
See OTP section.
If this does not solve the
problem...
2. Recalibrate the Main
Temperature Controller. See
“ “ on page 11.
If this does not solve the
problem...
3. Be sure there is 5 cm (2 in.)
of space between the rear
and sides of the unit, and
any walls or partitions that
can obstruct free airflow.
Ice built up in the chamber. 
The door gasket leaks.

The door is opened too
often.
There’s an open container
letting moisture collect
inside the chamber.

1. Check door seal.
2. Try to limit door
opening/closing.
3. Seal the container.