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Americana and New Generation Refrigerators Intended Use
2 Intended Use
This service manual is intended for use by OEM service
center and dealer technicians. It is not intended for use
by RV owners, or those unfamiliar with the workings of
refrigerators used in the RV industry.
Readers of this manual are assumed to have a basic
understanding of RV refrigerator best practices and
experience in the proper use of the tools and materials
related to the installation, operation, maintenance, and
service of the refrigerator equipment used in the RV
industry.
The refrigerator service manual is a resource created to
help service technicians identify the refrigerator product
by serial number, diagnose an operational issue, and
efficiently and effectively process warranty claims.
For applicable installation instructions, authorized
service center information, or specific warranty
information, visit www.dometic.com.
For applicable exploded parts views or service kit
information, visit www.dometic.com/en-us/us/for-
business.
3 Troubleshooting
This section has tables showing the main causes for
refrigerator issues.
Review the “Troubleshooting Table” on page 5
to help you identify the suspected operational issue,
the potential causes, and the diagnostic procedure
associated with those issues.
Refer to the “Diagnostics Table” on page 9 for links
to specific refrigerator components that show diagnostic
tasks to help you confirm the suspected operational
issue and potential cause.
Remember to check the basics, including contributing
issues, before replacing any parts. Refer to “Installation
Issues” on page 27 for more details.
Troubleshooting Table
Operational Issue Potential Reason Page
The refrigerator is not operating and the
interior light not on.
The mode or a switch is set incorrectly. 24
The DC voltage is too low or absent. 27
The thermal fuse is blown. 22
The thermo fuse is blown. 23
The wiring is faulty, has shorted, or is miswired. 15
The upper control module is defective. 24
There is a short or a failed circuit in the lower control module. 21
The refrigerator is not operating but the
interior light is on.
The mode or a switch is set incorrectly. 24
The DC voltage is too low or absent. 27
The thermistor is not operating within the proper temperature range. 23
The communication wire harness has lost continuity or is shorted to
ground.
16
There is a short or a failed circuit in the lower control module. 21
The lower control module is not reading the thermistor properly.
The panel lights do not turn on. The DC voltage is too low or absent. 27
The upper control module is defective. 24
The communication wire harness has lost continuity or is shorted to
ground.
16
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