27
ROUTINE MAINTENANCE
WARNING
Always disconnect the power supply to the unit prior to any repair or maintenance
of the unit in
order to prevent electric shock or injury.
The water level sensor periodically generates heat at around 70
o
C that may be cause of burn injury.
Ensure you do not inhale or consume medication or aerosols
from around the unit at the time of
maintenance. These may be harmful to your health.
CAUTION
Always put on dry gloves to protect hands
at the time of maintenance. Failure to use gloves may
result in cuts or abrasions from any sharp edges or corners.
Do not put too much force for cleaning of the water level sensor, wipe it off lightly.
Sterilizing of chamber and attachments
When the chamber of the unit is contaminated, the chamber and internal attachments should be cleaned
and sterilized as follows.
Note:
Take care not to damage the UV lamp (when an optional UV system set MCO-80UVS is installed) or
water level sensor at the time of removal or replacement of attachments.
Do not clean the inside of the unit with a solution of sodium hypochlorite or other halogen-based solution
because this may cause corrosion of metal surfaces.
1.
Turn off power switch of the unit.
2.
Open the outer door, and take out all trays and tray supports from the chamber. See Fig.1.
3.
Remove screws of the ceiling panel consisting of two panels and remove them. See Fig.2.
4.
Lift the bottom cover from the pins to remove the bottom cover. See Fig.3.
Fig. 1
Fig. 2
Fig. 3
Ceiling panel
Bottom cover
Tray support
