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9
Maintenance of the Refrigerator or Freezer
• Report breakdowns immediately and arrange for alternative monitored storage for vaccines while
the appliance is being repaired.
• Regularly check the door seals to ensure a good seal is maintained. Replace the seals if they
are damaged or cold air is leaking from the appliance.
• Defrost the appliance regularly, if required, to prevent build-up of ice which will result in unstable
temperatures. Regular defrosting also aids in efficient functioning of your appliance.
• If there are exposed coils on the back of the appliance, keep them clean and dust-free to
improve operating efficiency.
Checking the Door Seal
To check that the vaccine storage unit door is sealing properly:
1. Place a thin paper strip against the cabinet front.
2. Close the door.
3. Pull the paper strip. If it moves easily or falls away by itself, the door and the rubber-like seal
need to be adjusted.
4. Check all the way around the door. Pay particular attention to the corners.
5. Based on this assessment, if a problem with the door seal or hinges is suspected, contact a
trained repair technician.
TEMPERATURE SELECTION AND
MONITORING
Your appliance may have a mechanical (dial) or digital thermostat. Listed below are instructions for
both mechanical and digital thermostats.
Manual (dial) Thermostats (on some models)
Your appliance may be controlled with a thermostat knob located inside or in the
rear of the unit, towards the right-hand corner. Turn the knob clockwise from the
STOP (0) position toward the higher numbers for colder temperatures.
Setting the Temperature:
• Higher settings on the knob (higher numbers) mean lower temperatures
(colder) in all compartments of the appliance. The temperature inside a refrigerator may even
drop below 32°F. Use higher thermostat settings only when required or recommended. When the
ambient temperature is normal, we recommend a medium setting.
• Changes of the ambient temperature affect temperature in the interior of the appliance, so keep
this in mind when choosing the setting of the thermostat dial.
• At STOP (0) position, the appliance does not operate (the cooling system is switched off), but the
power supply is not interrupted.
• The temperatures in the refrigerator and freezer compartments also depend on how often you
open the door.
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