Norcold 9182 Service Manual & Parts List page 10

C2-AC Heater Output Fault
The control senses AC heater current when the AC heater should be "OFF".
Alarm, flashing backlight and bell active. Controls will not select an alternate energy source.
Controls will lock out all modes of operation until AC is disconnected from refrigerator or problem
is corrected. Disconnecting AC power source to refrigerator will allow refrigerator to switch to and
Alarm, flashing backlight and bell will be active. Controls will lock out all modes of operation until
AC is disconnected or the problem is corrected. Refrigerator can be manually switched to operate
C3-DC Heater Output Fault 3-Way Models Only
The control senses DC heater current when the DC heater should be "OFF".
Alarm, flashing backlight and bell active. Refrigerator will cease operation. Control will not select
an alternate energy source. Control will lock-out all operating modes. Switch and operate the
Alarm, flashing backlight and bell will be active. Refrigerator will cease operation until problem
corrected. Refrigerator can be manually switched and operated in either the AC electric or LP Gas
C4-3-Way Models Only-DC Heater Failed Open
DC voltage is being supplied to the heater but the heater is not drawing current (no cooling).
Alarm, flashing backlight and bell will be active. Controls will not switch to or operate in the next
available energy source. Refrigerator will cease operation. Fault code will remain on until the
Refrigerator will cease operation until problem is corrected. Fault code will remain on until the
C5-Back-Up Operating System
If the thermistor becomes inoperable, the power board will revert to the Back-Up Operating System. When the refrigerator
enters this mode the thermistor is ignored and the refrigerator will interpret the thermostat setting as a duty cycle command.
No Alarm, flashing backlight or bell. Operating controls will switch to and operate in the "Back-Up
No alarm, flashing backlight or bell. Operating controls will operate in the "Back-Up Operating
AUTO MODE-2 & 3 Way Models
operate in the LP GAS mode.
MANUAL MODE-2 & 3 Way Models
in the LP GAS mode.
AUTO MODE 3-Way Models Only
refrigerator in the manual mode until problem is corrected.
MANUAL MODE 3-Way Models Only
AUTO MODE 3-Way Models Only
problem is corrected and the controls are reset.
MANUAL MODE 3-Way Models Only
Alarm, flashing backlight and bell will be active.
Controls will not select the next available energy source.
problem is corrected and the controls are reset.
AUTO MODE 2 & 3 WAY Models
Operating System". Fault code will remain until corrected and controls reset.
MANUAL MODE 2 & 3 Way Models
System". Fault code will remain until corrected and the controls are reset.
9
mode.