Hoshizaki REFRIGERATED PREP TABLE WITH RAISED RAIL 73168 - Manual (Page 18)

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4. Controls and Adjustments
The cabinet and rail temperatures are updated every 30 seconds. The control board is
supplied with a service jumper on the K151 connector. Only the temperature setpoint
and the temperature scale ("F5") may be adjusted with this connector in place. To view
or adjust other selections, see "II.D.5. Service Menu."
a) Switch Settings
Power Switch "OFF": Unit off (both cabinet and rail).
Power Switch "ON": Cabinet temperature is displayed and cabinet cooling begins.
Cabinet fans and perimeter heaters are on and run continuously (except during defrost).
Rail Cooling Switch "OFF": Rail cooling off, cabinet cooling continues.
Rail Cooling Switch "NORMAL: Designed for use when the rail cover is open. Rail
temperature display on and rail cooling begins. The rail fans operate continuously.
Rail Cooling Switch "LOW": Designed for use when the rail cover is closed. Rail
temperature display is on and rail cooling begins. The rail fans operate intermittently
when "F9" is at the factory default setting. For access and adjustments to the "F9"
setting, see "II.D.5. Service Menu."
Note: A Hoshizaki OEM rail cooling switch must be used if replacing the rail cooling
switch. For details see "IV.M. Rail Cooling Switch."
b) Temperature Display
The temperature display can be changed between Fahrenheit and Celsius. To change
the temperature display, press and hold the cabinet "SET" button and the "SERVICE
USE ONLY" button for 5 seconds. "F0" appears in the display screen. Press the up
arrow button until "F5" appears in the display screen. "F5" is the only service menu
selection accessible with the service jumper in place.
Press the cabinet "SET" button to view the temperature display setting. Press the up or
down arrow button to switch between F° and C°. Press the cabinet "SET" button to save
the new setting. Press the cabinet "SET" button and the "SERVICE USE ONLY" button
for 5 seconds to return to normal temperature display.
"SET" buttons used to view current temperature settings.
Cabinet "SET" button used with "SERVICE USE ONLY"
button to enter and exit the service menu.
"SERVICE USE ONLY"
button used with cabinet
"SET" button to enter and
exit the service menu.
"UP" and "DOWN" arrow buttons
used to change temperature
settings, scroll through the service
menu, and to change menu settings.
"MANUAL DEFROST"
button used to initiate
a manual defrost
.