Helmer iB111 (Version A) - Test Monitoring System Backup Batteries; Replace the Fluorescent Lamps; Clean the Refrigerator; Condenser Grill

360077-1/O 86
Horizon Series™ - Blood Bank Models
18.2 Test Monitoring System Backup Batteries
The Horizon Series monitoring system does not have visual indicators for battery charge level. If the
batteries deplete to a particular voltage output, the batteries will not provide power to the monitoring
system.
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.
18.3 Replace Monitoring System Backup Batteries
On the top of the freezer, remove six batteries and replace with six new batteries.
NOTICE Wheninstallingreplacementbatteries,useonlybatterieswhichmeetsthespecications
outlined in chapter 18.7 (Supplies).
18.4 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.
18.5 Clean the Refrigerator
18.5.1 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.
18.5.2 Exterior
Clean exterior surfaces with soft cotton cloth and non-abrasive liquid cleaner.
18.5.3 Interior
Clean painted surfaces with mild detergent. Clean stainless steel surfaces with a general-purpose
laboratory cleaner suitable for stainless steel.
18.5.4 Door Gaskets
Clean with soft cloth and mild soap and water solution.