09
Thermo Fisher Scientific
User Guide STP420D/STP420ES
How to use this user guide
Safety Precautions
Your safety is at risk if you do not operate the instrument in accordance
with this User Guide. You must observe the following precautions while
operating the instrument. Failure to comply with these precautions
violates safety standards and the intended use of the instrument.
Thermo Scientific is not liable for misuse of the instrument and failure
to comply with basic safety requirements.
Note!
Installation and Maintenance: The instrument must be installed and
maintained by a fully authorized representative, and instruction in its use
be given, by an authorized representative. All warranties and guarantees are
null and void, if a third party installs or maintains the instrument.
i
nstrument
G
rounDinG
To avoid injury from electrical current, connect the instru-
ment with the protective earthing conductor. The instrument
has a three-wire ground plug. The power outlet must be con-
nected to the protective earth and must meet the Internation-
al Electrotechnical Commission (IEC) regulations. Do not cut,
deform or remove any of the prongs from the power cord. You
can not operate this device using an extension cord.
m
ains
V
oltaGe
Never remove the instrument covers during operation. Only
trained service personnel may replace components and make
adjustments.
Unplug the unit before removing or opening the covers.
To prevent the instrument from malfunctioning, it must only
be operated in a controlled electromagnetic environment. You
must not operate transmitters (for example, mobile phones) in
its close vicinity. In case of malfunctions or service.
h
ot
surfaCe
Some of the instrument’s surfaces become hot during use. They
are marked with this warning symbol.
C
losinG
the
proCessinG
ChamBers
Do not attempt to operate the instrument if:
• An object is caught in the lid
• A hinge is damaged
• The latch is damaged
• The sealing surface is damaged
Make sure the locking mechanism is clean and functions prop-
erly, and that the seal inside the lid seats correctly.
Safety Precautions