– 61 –
FZ
Display
FF
Display
Mode
Comments
1
0
Open Damper
Damper will open, pause brie
fl
y, and then close.
1
1
Fan Speed Test
Cycles through each fan for 5 seconds.
1
2
100% Run Time
This mode runs the sealed system 100% of the time.
This test will automatically time out after 1 hour of run
time. A refrigerator reset may exit this mode.
1
3
Enter Pre-chill
This places the freezer in pre-chill mode essentially
issuing a “Force Prechill” command to the main control.
It will return to normal operation on its own. This
command will be ignored if the refrigerator is set to OFF/
Standby mode.
1
4
Toggle the State of
Defrost
Each time any button on the temperature board other
than 4 temperature adjust buttons is pressed, the status
of the FZ defrost heater will toggle.
See Note 3
.
1
5
Refrigerator Reset
Causes a soft reset to occur at both the Combined HMI
and the Main board.
1
6
Test Mode Exit
Causes a soft reset to occur at the Combined HMI
board. Note: This will not terminate test modes that the
main board is maintaining as a result of the service
diagnostics mode. To terminate test modes, Refrigerator
Reset should be used.
1
7
Degree C/F
Used to set the temperature unit of measure. The
current mode is displayed on the FF display (“
C
” of “
F
”).
Use either of the FF slew keys to adjust the mode. Press
any key other than the FF slew keys to set the unit of
measure to the displayed selection.
Note 1:
The
fi
rst 2 digits are numbers. The second 2 digits are numbers that correspond to a letter (01=a,
02=b, 03=c,...26=z). For example, 61 and 9= a software version of 61i. 41 and 10=a software version of 41j.
Note 2:
Display order: #1 = Fresh Food Thermistor, #2 = Ambient Thermistor, #3 = Freezer Thermistor, #4 =
Evaporator Thermistor. #5 displayed = No Thermistor installed at this location.
Note 3:
The heater will not come on if the evaporator thermistor is above 70°F.
