Ac Manual Mode; No Ac Power Or Loss Of Ac Power; Ac Power Restored; Troubleshooting "No Ac" Fault - Norcold 1200 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 6.
NOTE 6
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.
Page 13, "no AC" fault codes troubleshooting
flowchart.
Page 47, Diagnostic Mode, Screen 3, page 50,
Diagnostic Mode, 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 LP Manual 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 7.
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 8 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.
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.
www.norcold.com/cda
NOTE 7
NOTE 8
1200XX/120X-IMXX Models
45