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17
Best Practices
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.
Checking If the Thermometer Works
A slight variation in temperature is often seen from one thermometer
reading to another, even when the vaccine storage unit thermostat is set
at a particular temperature. This is normal. If the thermometer reading
does not fluctuate at all over several readings, temporarily remove the
thermometer from the storage unit and place it outside the unit at room
temperature. Check whether the temperature reading rises. If no change
in the temperature reading occurs, the thermometer is faulty and needs
to be replaced.
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