Isotemp Basic 4-3Fisher Scientific
Section 4
Maintenance
1. Remove all product and place it in another freezer.
2. Turn the unit off and disconnect it from the power source.
3. Turn off the battery switch (O). See Figure 4-1.
4. Open all of the doors and place towels on the chamber floor.
5. Allow the frost to melt and become loose.
6. Remove the frost with a soft cloth.
7. After defrosting is complete, clean the interior with a non-chloride
detergent. Rinse thoroughly with clean water and dry with a soft cloth.
8. Plug unit in and turn power switch on.
9. Turn the battery power switch to Standby mode ( ).
10. Allow the freezer to operate empty overnight before reloading the
product.
Defrost the unit as described previously. This prepares the unit for storage.
Turn off the battery power switch (O). Turn off the freezer power switch.
Disconnect power to the battery(s) and to the freezer.
Using a soft cloth, remove any frost build-up from the gasket and door(s).
The door gasket may need to be cleaned more frequently if dirt or
excessive frost build-up prevents the door from closing properly.
Defrost the Chamber
Clean the Door Gasket
(minimum monthly)
Prepare the Unit for
Storage
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