Fisher Scientific I903C, Руководство по эксплуатации, Страница: 33 / 56

5-2 Isotemp ULT Chest Fisher Scientific
Section 5
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 Figures 5-1 and 5-2.
4. Open the lid and remove
sub-lids. Place towels on
the chamber floor.
5. Allow the frost to melt and
become loose. Remove
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.
The lid gasket should be cleaned a minimum of once per month. Using a
soft cloth, remove any frost build-up from the gasket, sub-lids and lids.
The clean gasket alarm occurs every three months as a reminder to remove
frost build-up from the gasket and doors. Press the Silence key to mute the
audible alarm. The lid gasket may need to be cleaned more frequently if
dirt or excessive frost build-up prevents the door from closing properly.
Defrost Chamber
Clean Lid Gasket
micro
board
battery
bracket
battery
switch
probe
access
port
Figure 5-1. Battery and Switch location