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Haier GE CDT845P4N3W2 User Manual

Haier GE CDT845P4N3W2
80 pages
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31-9345
Technical Service Guide
December 2020
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https://appliancetechmanuals.com

Table of Contents

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Haier GE CDT845P4N3W2 Specifications

General IconGeneral
BrandHaier
ModelGE CDT845P4N3W2
CategoryDishwasher
LanguageEnglish

Summary

Safety Information

Important Safety Notice

Provides crucial safety guidelines for service technicians regarding appliance repair.

Safety Requirements

LOTO 6 Step Process

Details the mandatory Lockout/Tagout (LOTO) procedure for service technicians.

Electrical Specifications

AC Voltage Specs

Lists specifications for AC voltage components like circulation and drain pumps, and the heater.

Troubleshooting

Flashing Lights Diagnosis

Identifies causes for flashing lights, including open doors or tripped CSM, and reset procedures.

Will Not Start Issues

Provides steps to diagnose why the dishwasher fails to start, checking power, door switch, and Demo Mode.

Critical Errors

Explains critical errors like 'No Water Detected', 'Pressure Sensor Errors', and 'Continuous Fill Error'.

Latch System

Latch Switch Diagnosis Procedure

Outlines how to diagnose latch switch operation using continuity checks with an ohmmeter.

Door

Door Removal Procedure

Step-by-step guide to safely remove the dishwasher door, disconnecting wiring and components.

Detergent Dispenser

Detergent Module Removal

Provides steps to remove the detergent module from the inner door panel.

Detergent Module Diagnosis

Outlines how to diagnose the detergent module using Service Mode tests and resistance checks.

Sump Module Removal

Step-by-Step Removal Guide

Detailed steps for removing the sump module, including disconnecting various components and hoses.

Sump Gasket and Installation

Sump Module Reinstallation

Provides steps for correctly reinstalling the sump module, ensuring proper wiring and connections.

Electronic Controls

Control Board Overview

Describes the main control board's function, power supply, and outputs to various components.

Critical Error Conditions

Details error messages and indicators for no water, pressure sensor, and continuous fill issues.

Fault Codes

F1-F58 Fault Code Descriptions

Lists fault codes, their load to control, and timeout/notes for diagnosis.

F59-F128 Fault Code Descriptions

Lists additional fault codes and their diagnostic notes.

Diagnostics and Special Modes

User Interface Diagnostics

Troubleshooting steps for UI display or LED issues, checking power and connections.

Consumer Error Mode Entry

Procedure to enter Consumer Error Mode for diagnostic code retrieval.

Service Mode and Control Board Diagnosis

Entering Service Mode

Procedure to enter Service Mode from Consumer Error Mode for testing.

Electronic Control Board Diagnosis

Guidance on diagnosing main control and UI boards, including connector access.

CSM (Current Sense Module)

CSM Function and Tripping Causes

Explains the CSM's protective role, trip causes like leakage, and reset procedures.

CSM Diagnostic Flowchart

Flowchart for diagnosing CSM trips related to circulation pump, drain pump, or heater.

Main Control Board Access

Main Control Board Removal Steps

Detailed steps for accessing and removing the main control board.

Fill System Diagnostics

Error Conditions: No Water/Pressure/Fill

Details error messages and indicators for no water, pressure sensor, and continuous fill issues.

Pressure Sensor Testing Procedure

Guides on testing pressure sensor power and signal output to the control.

No Fill Diagnostics Flowchart

Troubleshooting Steps for No Fill

Flowchart to diagnose issues when the dishwasher fails to fill.

Circulation System

System Overview and Water Path

Explains how water moves through filters, pump, diverter, and spray arms.

Diagnostics

Clear Door Diagnostic Steps

Procedure for using the Clear Door tool to test fill, circulate, and drain functions.

No Circulation and Drain

Circulation Motor and Pump Assembly

Pressure Diverter Switch

Drain System

Drain Pump Operation and Diagnostics

Explains drain pump operation, fuse checks, and motor diagnostics.

Failure to Drain Symptoms and Diagnostics

Lists symptoms of drain failure and diagnostic steps, including plumbing checks.

Failure to Drain Flowchart

Troubleshooting Flowchart

Visual guide to diagnose and resolve issues related to the dishwasher not draining properly.

Drain Pump Strip Circuit

Drain Pump Removal or Replacement

Dry System

Heat Element Diagnostics

Troubleshooting Flowchart

Flowchart to diagnose issues when the heat element does not come on.

Heat Element and TCO Removal

Venting and Airflow

Schematic

Wiring Diagram Overview

Presents the overall wiring diagram for the dishwasher's electronic components.

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