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Pressing and holding "MODE" button (C) allows the user to cycle through four mode choices; one "AUTO" and three manual
modes (AC, LP GAS, or BATT). The refrigerator will not switch to the new operating mode until "MODE" button is released.
The "TEMP SET" (thermostat) button (D) controls refrigerator and freezer temperature during both gas and electric
operation, eliminating the need to reset each time a different energy source is selected. Press and hold "TEMP SET" button
to select the desired temperature setting. The temperature settings are shown in the form of a thermometer (A) in the display
window, with the shortest thermometer reading indicating the coldest setting.
Auto Mode
When "AUTO" mode is selected, the operating control automatically selects the energy source using the following priority
scheme:
•
When 120 volts AC is available to refrigerator, "AUTO AC" will be visible in the display panel, indicating the
refrigerator is operating on AC electric.
•
If 120 volts AC is not available, the refrigerator will switch to gas operation, and "AUTO LP GAS" will be
visible in the display panel.
•
When neither 120 volts AC nor LP gas are available, the refrigerator will switch to DC electric (3-Way models
only) and "AUTO BATT" will be visible in the display panel. DC electric operation is not as efficient as LP Gas
or AC electric operation, and should therefore be used only to maintain temperatures when other modes are
unavailable (for example; while in transit).
During operation in "AUTO" mode, when a higher priority energy source becomes available, the operating controls will
cease using the current energy source and will switch to the higher priority energy source. For example, if AC electric becomes
available while the refrigerator is operating in the "AUTO LP GAS" mode, the refrigerator will switch to "AUTO AC "
operation.
If an operating mode is not functional, a diagnostic code will appear and the refrigerator will attempt to operate in a lower energy
priority source. If a lower energy priority source is not available, an alarm will sound and the refrigerator will cease operation. Refer
to "Diagnostic Codes and Their Meaning" for corrective actions.
Manual Mode
To operate in "MANUAL" mode, press and hold "MODE" button until "AUTO" disappears and the desired operating mode
is displayed. If the energy source is interrupted while operating in the "MANUAL" mode, a diagnostic code will appear, an
alarm will sound, and the refrigerator will cease operation. Refer to the "Diagnostic Codes and Their Meaning" on page 10
for corrective actions.
"AUTO" and "MANUAL" Modes - Gas Operation Only
If the gas does not ignite within 30 seconds, which may occur on initial start-up, the refrigerator’s gas valve will automatically
close and the operating controls will select an alternate energy source ( "AUTO" Mode) or, "MANUAL" mode, will revert
to a stand-by mode in which an alarm will sound and code A1 will be displayed in the center window. The alarm and code
will remain on until the operating controls are turned "OFF" and then "ON" again. If the gas does not ignite after several
attempts, check the input gas supply, or consult with your dealer or a Norcold authorized service center. A different mode of
operation may be selected by pressing and holding the "MODE" button. The refrigerator will not switch to the new operating
mode until the "MODE" button is released.
Backup Operating System ("BOS")
Your refrigerator features a Back-Up Operating System which provides a means for the refrigerator to cool in the event of
a failure within the refrigerator’s operating controls. In the event this failure occurs, the refrigerator will display Diagnostic
Code C5 and will switch automatically to the "BOS" mode. This mode provides refrigeration until the refrigerator is serviced.
The fresh food and freezer compartment temperatures should be monitored to prevent over-freezing or thawing of refrigerator
contents when operating in the "BOS" mode. If the refrigerator temperature is too cold, adjust the thermostat up (warmer) in
one bar increments. If the refrigerator temperature is too warm, adjust the thermostat down (colder) in one bar increments.
Allow the refrigerator to operate at the new setting for one hour before rechecking the freezer and fresh food compartment
temperatures (frequent door opening prevents the temperatures from stabilizing). While the refrigerator can operate in this
mode, Norcold recommends that you seek service as soon as practical to restore normal operation.
Operating Controls
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