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Americana and New Generation Refrigerators Diagnostic Procedures
6.1 Error-Based Diagnostics
Refer to the following tables to diagnose system errors
for the Americana and New Generation models covered
in this service manual.
6.1.1 Americana
Americana models have a check indicator lamp on the
control panel that illuminates to indicate operational
errors.
Fault Description Possible Cause Recommended Action Page
The check indicator lamp is on. The gas pressure is too low or
absent.
Perform a diagnosis on the gas supply. 28
The knob on the gas valve has
been turned to the off or closed
position.
The gas valve solenoid is
defective.
Perform a diagnostic on the gas valve. 19
The DC voltage is too low. Perform a diagnostic on the DC voltage supplied
to the lower control module.
21
Perform a diagnostic on the DC voltage supplied
to the gas valve.
19
There is a loose or weak ground. Clean or tighten the ground connections for
the lower control module, gas valve, and RV
converter as needed. Strip back the wiring and
make new connections as needed.
15
There is a short or a failed circuit in
the lower control module.
Perform a diagnostic on the lower control
module.
21
The thermocouple is defective. Perform a diagnostic on the thermocouple. 23
The re-igniter is not creating a
spark.
Perform a diagnostic on the re-igniter. 18
The electrode is not functioning
properly.
Perform a diagnostic on the electrode.
The orifice is blocked or
incorrectly sized.
Perform a diagnostic on the orifice. 22
The burner is blocked. Perform a diagnostic on the burner assembly. 16
The altitude is affecting the
operation of the refrigerator in gas
mode.
Perform a diagnostic for altitude issues. 29
6.1.2 New Generation
New Generation models (except for model DMR702)
display an error code to indicate operational errors.
The DMR702 model has three thermostat range setting
lights used to indicate where the temperature is set.
A light or combination of lights will flash to indicate
operational errors.
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