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i.Series® - All Models
4
Add refrigerant. Check the pressure on the low side.
►
Low side = 16 psi to 18 psi (110 kPa to 125 kPa)
5 Remove pressure gauge.
10.2
Test Monitoring System Backup Batteries
The i.Center monitoring system has visual indicators for battery charge level. If the batteries deplete to
a particular voltage output, a flashing Low Battery alarm is initiated. If the batteries are missing or nearly
depleted, the flashing No Battery alarm initiates.
Test backup batteries:
1
Disconnect the refrigerator from AC power.
►
Screen should continue to display information without backlight.
►
If the display is blank, replace batteries.
2
Reconnect the refrigerator to AC power.
10.3
Replace Monitoring System Backup Batteries
1
Remove the access panel on the top of the refrigerator (111 models only).
2
On the top of the refrigerator, remove six batteries and replace with six new batteries.
NOTICE
When installing replacement batteries, use only batteries which meets the specifications
outlined in chapter
10.7
(Supplies).
3
Close the access panel (111 models only).
10.4
Replace the Fluorescent Lamps
1
Disconnect the refrigerator from AC power. Remove one battery from the monitoring system backup
battery holder.
2
Single-door refrigerators: Remove drawers, shelves, baskets, and slides on the right side of the
chamber.
3
Press short side of diffuser and unsnap it to remove from the light base.
4
Rotate defective light bulb and remove from the sockets.
5
Insert new light bulb into the sockets and rotate to lock into place.
6
Snap diffuser into the light base.
7 Reinstall the battery in the monitoring system backup battery holder. Reconnect the refrigerator to AC
power.
8
Single-door refrigerators: Replace drawers, shelves, baskets, and slides.
9
Press the
MUTE
button to disable the high temperature alarm while refrigerator reaches operating
temperature.
10.5
Clean the Refrigerator
10.5.1
Condenser Grill
In environments where refrigerator is exposed to excessive lint or dust, condenser grill may require
cleaning more frequently than stated in preventive maintenance schedule.
Clean the condenser grill using a soft brush and a vacuum cleaner.
10.5.2 Exterior
Clean exterior surfaces with soft cotton cloth and non-abrasive liquid cleaner.