B) Service Menu Chart - Hoshizaki REFRIGERATED PREP TABLE WITH RAISED RAIL 73168 Service Manual

b) Service Menu Chart

Service
Menu Item and Details
F0 Defrost Interval
• The cabinet uses a time initiated
heated defrost.
• The change in the defrost
interval setting will take effect
immediately. The next defrost
will take place after the newly
set time interval has elapsed.
• Initiating a manual defrost on the
cabinet will restart the defrost
timer.
F1 Defrost Termination Temperature
Do not adjust. For
recommendations, contact
Hoshizaki Technical Support.
F2 Setpoint Temperature Differential
Use "SET" button to scroll through
all 4 settings.
• You cannot set both + and ‑ to
0.0.
• Negative value indicated by LED
to left of number.
F3 High Temperature Alarm Delay
Time: See "III.A. Alarm Signals."
F4 Low Temperature Alarm Delay
Time: See "III.A. Alarm Signals."
F5 Temperature Display
F6 Alarm History: maximum 8 alarms.
No reset for alarm history
available.
F7 Compressor Run Time (%):
Displays compressor run time
percentage between the 2 most
recent defrosts.
F8 Not Used
F9 Rail Cooling Switch:
"LOW" Rail Fan Adjustment (rail
section only)
FA High Condenser Temperature
Do not Alarm Setting (clogged filter):
adjust For recommendations, contact
Hoshizaki Technical Support.
Fb Audible Control
Setting Range
Cabinet
1 to 12 hours in
1 hour increments.
41 to 68°F
(5 to 20°C)
in 1 degree
increments
Both the + and - values can be
adjusted between 0 to 6.3°F in
increments of .9°F
(0 to 3.5°C in increments of .5°C)
(decimal not displayed)
0 to 3 hours in 1 hour increments
0 or 1 hour
Fahrenheit or Celsius
Alarms displayed newest to oldest.
When "‑‑" appears, you have
reached the end of the alarm
history.
N/A
N/A
0=rail fans on continuously (same
as "NORMAL" position)
1=rail fans on 15 sec.
rail fans off 90 sec.
2=rail fans on 1 sec.
rail fans off 90 sec.
Adjustable between 140 to 167°F
(60 to 75°C).
N/A
22
Factory Default
Rail Cabinet
N/A 6
N/A 49°F (9.4°C)
Comp on
0°F (0°C)
at setpoint
Comp off
-3.6°F (-2°C)
below setpoint
N/A
N/A
N/A
N/A
140°F (60°C)
(1 not displayed)
N/A
Rail
N/A
N/A
Comp on
0°F (0°C)
at setpoint
Comp off
-3.6°F (-2°C)
below setpoint
2
1
°F
2