Dometic 750000005 (TJ18F) User Manual

DOMETIC CORPORATION, ENVIRONMENTAL DIVISION
P.O. Box 15299 I Richmond, VA 23227 USA
Phone +804 746 1313 | Fax +804 746 7248
www.dometic.com
Freightliner Refrigerator
Troubleshooting Guide
For
750000005 (TJ18F)
750000011 (TJ22F)
750000026 (TJ18FP3)
Before initiating troubleshooting, the following equipment is recommended:
Multimeter, 20 gauge (min) wires to use as jumpers, and 12Vdc source.
Before applying power, stand unit upright for a minimum of 1 hour to allow compressor oil
to settle.
NOTE: Although, Dometic states on the packaging to always keep unit
upright, we cannot control how the carrier handles our boxes. This also
applies if the unit has been set on its side to affix any accessories.
If there are any questions, please contact our warranty and service department at 1-800-234-
8778 or 804-764-1313.
Refrigerator Components
Load dump
including
Power Input
Danfoss
Module
Condenser
Cooling Fan
Strainer
Cap Tube
(Expansion Device)
Condenser Coil
Compressor
Speed Resistor

Dometic 750000005 (TJ18F) Specifications

General

Type	Absorption refrigerator
Weight	8.3 kg
Model	TJ18F
Capacity	18 l
Insulation Type	Polyurethane foam
Gross Volume	18 l

Summary

Locating the Dataplate

Troubleshooting Guide

General Trouble-Shooting

Covers initial checks and common operational problems of the appliance.

Appliance Does Not Operate

Troubleshooting steps for when the refrigerator unit fails to power on or function.

Insufficient Refrigerating Capacity

Diagnosing and resolving issues related to the refrigerator's cooling performance.

Specific Trouble-shooting of Electrical Components

Detailed steps to diagnose and fix issues related to electrical parts.

Check incoming voltage

Verify the voltage supplied to the refrigerator unit for proper operation.

Checking the Compressor

Procedure to test the compressor for functionality and potential defects.

Checking the Fan

Steps to diagnose the condenser cooling fan's operation and identify faults.

The Refrigerant Circuit

Diagnosing problems related to refrigerant leaks or system performance.

Electrical Information and Wiring

DC Wiring

Instructions for connecting the refrigerator to a DC power source.

Wiring Diagram

Schematic illustrating the electrical connections of the refrigerator components.

Electrical Wiring Guidelines

Conductor sizes for voltage drop based on current and wire length.

Service Parts Identification

TJ18F Service Parts Illustration

Visual identification of replacement parts for the TJ18F model.

Service Parts List

Detailed list of available service parts with part numbers and descriptions.

TJ22F Service Parts Illustration

Visual identification of replacement parts for the TJ22F model.