Norcold DC440 - Trouble Shooting - Table of Contents

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-- Procedure A - Thermostat “ON” Compressor does not run ........................................................... 3
-- Procedure B - Compressor Resistance ....................................................................................... 4
-- Procedure C - Power Supply Output Voltage ............................................................................... 5
-- Procedure D - Compressor Amp Draw ........................................................................................ 6
-- Procedure E - Evaporator Thermister Resistance ....................................................................... 7
-- Procedure F - Insufficient Coolling ............................................................................................... 8
-- Procedure G - Refrigerator to Cold.............................................................................................. 9
-- Procedure H - Auto Shut-OFF Device........................................................................................ 10
-- Wiring Schematic.......................................................................................................................11
-- Procedure I - Ventilation ....................................................................................................... 12-14
-- Quick Reference Repair Sheet ..................................................................................................15
Trouble Shooting - Table of Contents
WARNING
Perform all tests using a fully charged 12 VDC battery. Using other equipment that
supplies DC voltage may cause permanent refrigerator compressor failure.