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Contents
About This Service Manual ................................................................... 2
General Information .............................................................................. 2
Safety ........................................................................................... 2
Description and Operation .................................................................... 2
WARNINGS! ................................................................................ 5
Product Identifi cation ............................................................................ 6
Specifi cations ........................................................................................ 6
Model NRF-30 .............................................................................. 6
Model NRF-45 .............................................................................. 6
Model NRF-60 .............................................................................. 6
Ventilation Requirements ...................................................................... 8
Exploded View - NRF ........................................................................... 9
Troubleshooting .................................................................................. 10
Diagnostic Pre checks ............................................................... 10
Self-Test Diagnostics ................................................................. 10
Self Test Diagnostic Chart ...........................................................11
Diagnostic Symptom Chart ........................................................ 12
Troubleshooting .................................................................................. 14
Test A - Battery Protection Cut-out ............................................. 14
Test B - Fan Over Current Cut-Out ............................................ 15
Test C - Minimum Motor Speed Error ........................................ 15
Test D - Thermal Cut-out of Electronic Unit................................ 16
Test E- Power Light Off, Error Light Off ...................................... 16
Test G- Refrigerator Gets Too Cold ............................................ 18
Test H- Refrigerator Builds Frost Inside ..................................... 18
Test I- Runs But Does Not Cool Properly ................................... 19
Wiring Diagram ................................................................................... 20
Models / Modèles / Modelos NRF 30/45/60
2
About This Service Manual
This service manual provides maintenance, diagnostic, and
repair information for NORCOLD
compressor refrigerators. It is a reference tool designed
for technicians who are knowledgeable in the theory and
operation of gas/electric refrigerators, liquefi ed petroleum (LP)
gas-propane-systems, and AC/DC electrical systems installed
in a variety of recreational vehicles (RV).
All information, illustrations, and specifi cations contained in
this publication are based on the latest product information
available at the time of publication. NORCOLD
right to make changes at any time without notice.
General Information
Safety
Read this manual carefully and understand the contents
before working on the refrigerator.
Be aware of possible safety hazards when you see the safety
alert symbol on the refrigerator and in this manual. A signal
word follows the safety alert symbol and identifi es the danger
of the hazard. Carefully read the descriptions of these signal
words to fully know their meanings. They are for your safety.
WARNING!
This signal word means a hazard, which if
!
ignored, can cause dangerous personal injury, death.
CAUTION!
This signal word means a hazard, which
!
if ignored, can cause small personal injury or much property
damage.
Description and Operation
This refrigerator/freezer operates on 12/24 volts DC from a battery
in your car, boat, trailer, camper, etc.
The refrigerator/freezer circuitry identifi es the operating voltage.
The refrigerator/freezer will operate in ambient temperatures
of between 14°F (-10°C) and 109°F (43°C) and in a maximum
relative humidity of 90%. The refrigerator/ freezer will also operate
continuously at a maximum angle of 20° off of level.
Refrigerator Service Manual / Manuel d'entretien du réfrigérateur / Manual de servicio del refrigerador
®
models NRF 30, 45, 60
reserves the
®
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