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dangerous goods and strong corrosive acid, alkali and other items;
The keys of this series of products need to be properly stored to avoid
accidents when children get them and open the door to play;
Do not connect the neutral wire (N terminal) and the ground wire (E terminal) of
the power socket together, otherwise it can cause the shell of this series of
products to be charged and an electric shock accident can occur;
The power cord cannot be bundled and used, cannot be pressed under heavy
objects, and cannot be close to heat sources such as compressors.
When it needs to restart the ULT freezer after the ULT freezer is unplugged or
the power to the ULT freezer is interrupted, check the settings of the ULT
freezer.
Items stored inside the ULT freezer may be adversely affected if the operation of
the ULT freezer is resumed with changed settings.
If the ULT freezer is unplugged or the power to the ULT freezer is interrupted,
do not restart the ULT freezer for at least 5 minutes to avoid damage to the
compressor or system.
The filter screen shall be checked in time and cleaned. Dust-laden filter screens
can cause temperature rise or failure in the ULT freezer.
If the power plug has dust, it needs to be cleaned in time. Improper connection
or plug filled with dust may cause heating or ignition.
After the power is cut off or the power switch is off, the set point shall be
checked when the power switch is restarted; otherwise, the stored items may
be damaged due to setting change.
Wear gloves during maintenance to avoid personal injuries caused by touching
sharp edges or corners.
The stored items shall not be contacted directly by hand. Direct contact with the
frozen items or the inner wall of the ULT freezer without gloves may cause
frostbite.
Close the door by holding the handle to prevent fingers from being pinched.
Tilt the ULT freezer for 45° when handling or moving it.
Be careful not to trip over the ULT freezer when handling the ULT freezer, so as
to prevent damage to the ULT freezer or personnel injuries.
Do not use door handles to lift or carry equipment to prevent damage to the ULT