Ac Manual Mode; No Ac Power Or Loss Of Ac Power; Ac Power Restored; Troubleshooting "No Ac" Fault - Norcold N109X Series Service Manual

aC Manual Mode

In the AC Manual mode, ac power is the only heat
energy source selected by the controls. When AC
Manual Mode is selected:
1. The AC mode indicator ("AC") displays
as the controls start the search for AC
power.
2. When AC power is detected, the AC
indicator turns off. The "ON" LED displays.
See NOTE 3.
NOtE 3
Pressing the MODE pushbutton displays the "AC"
mode indicator.

No aC Power or Loss of aC Power

If the controls do not sense the presence of ac power or
when ac power is lost in AC Manual mode, the controls:
1. Display the "no" "AC" fault code.
2. Sound the audible alarm. The alarm is an
intermittent beeping tone. Pressing the MODE
pushbutton silences the alarm.
3. Record and store the "no" " AC" fault in
diagnostics nonvolatile memory fault history.

aC Power Restored

When ac power is restored, the controls:
1. Automatically restore AC Manual Mode operation;
however, the recorded fault history will not be
erased from memory.
2. Silence the alarm and clear then "no" "AC" fault
code from the display.
troubleshooting "no" "aC" fault
Use the following references to identify, troubleshoot,
and correct a no AC fault.
n Page 11, "no" " AC" fault codes troubleshooting
flowchart.
n Page 42, Diagnostic Mode – N109X Model,
Screen 4.
Refrigerator Service Manual

LP Manual Mode

In the LP Manual Mode, LP gas is the only heat energy
source selected by the controls. When the controls shift
to LPManual mode:
1. The LP mode indicator ("LP") displays
and the controls start a 30 second trial-
for-ignition.
2. The LP mode indicator turns off when the
controls sense a flame. The "ON" LED
displays. See NOTE 4.
NOtE 4
Pressing the MODE pushbutton displays the "LP"
mode indicator.

flame fails to Ignite or flame Goes Out

If the controls do not sense a flame within the 30 second
trial-for-ignition or the flame goes out, the controls:
1. Shut off power to the solenoid gas valve.
2. Set "gas lock-out." See NOTE 5 below.
3. Display a flashing visual warning, "no" "FL"
(shown below).
4. Sound an audible alarm. The alarm is an
intermittent beeping tone. Pressing the MODE
pushbutton silences the alarm.
NOtE 5
AUTO LP mode remains in "gas lock-out" until a full
cooling cycle on AUTO AC is completed. "Gas lock-
out" can also be cleared by turning the refrigerator
OFF then back ON.
43
N109X Models