4.5 Door Gasket Cleaning
The door gasket is an important part to maintain and seal the freezer to achieve a proper temperature. Over
time, the gasket can get deformed or damaged if not properly kept clean from ice. To clean off the ice and
frost accumulating on the gasket, use a dull plastic scrapper to wipe off ice and frost accumulation that sticks
to the ice surface. Wipe off the water from the gasket before closing the door. Door gasket should be cleaned
at least monthly. More frequent cleaning may be required if dirt or excessive frost build-up prevents the door
from closing properly.
4.6 Vacuum Relief Port Cleaning
Use a soft cloth; remove any frost build-up from the vacuum relief port, located at the back of the main door
(See Quick View). Cleaning of vacuum relief port should be performed regularly, depending on how often and
how long the door is opened.
4.7 Defrost and Cleaning
The amount of frost accumulation in the freezer depends on how often and how long the door is opened. As
the frost gets thicker, the efficiency of the unit is adversely effected. The frost acts as an insulator as it slows
down the system’s ability to remove the heat from the freezer; this causes the unit to use more energy.
To remove the frost, move all products to another freezer that operates at the same temperature as the Esco
unit temporarily.
Turn off the power on the Esco unit, open the outer and inner doors to let the unit warm up. Place some
towels or other absorbent material around the freezer to absorb any melted frost that might run out. Once
the freezer is thawed, wipe off the condensation with a towel. Use a mixture of warm water and light
detergent to clean the interior and exterior of the unit carefully; do not let water drip into the refrigeration
and electrical compartments. Once cleaned, dry and power up the unit (see section 2.3 First Run).
4.8 PF Battery Checking
Locate the battery (see section 1.3 Quick View) and check its voltage output using a digital volt-meter. If the
voltage goes below 12 volts, replace the battery.
4.9 Preparing the Unit for Storage
Defrost and clean the unit as described in section 4.6 Vacuum Relief Port Cleaning. Turn off the battery power
switch. Turn off the freezer power switch. Disconnect power to battery(s) and to the freezer. The unit is ready
for storage.
4.10 Maintenance/Service Log
It is good practice (and in some cases regulatory requirement) to maintain a log of all maintenance work
carried out on your freezer.
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