Samsung WA422 AA Series User Manual

Fast Track Troubleshooting
Model: WA422****/AA
BOM Models:
WA422PRHDWR/AA
Publication # APWA422PRHD Revision Date 8/7/2012
Quick Test Mode:
Note: This test erases all faults and memory:
To enter press Spin, Soil Level & Power simultane-
ously with the power off.
1. All LED’s light up and the washer beeps as it en-
ters the Quick Test Mode.
2. The unit displays the software version for a second
then clears the EEprom.
3. After the displaying the software version, LCD will
display Model information. If EEEE is displayed the
PCB assy. is defective.
4. When the version is displayed, turn the Jog-Dial so
that the version disappears. Press the following keys
to test the various components
Press Spin to test Drain Pump
Press Temp to cycle through the Water Valves circuit
test in this order: Cold, Eco Warm, Warm, Hot, Hot-
Cold, and All.
Press Soil Level to test Door Lock/Unlock.
When either Test or Spin is displayed on the LCD,
press Start/Pause to conduct the motor test.
In Test mode, you can test the clockwise and coun-
terclockwise movement of the motor. However, the
water level must satisfy the heater water level (24300)
to enter Test mode.
In Spin mode, you can test the motor at a high rpm.
Service Mode:
This mode allows more detailed operation tests and trouble-
shooting, to enter press Delay Start & Extra Rinse simultane-
ously with the power on. Mode is confirmed with 3 beeps.
In Service Mode the following tests can be performed:
Quick Spin Test: Press & hold Delay Start & Pre Soak for 3
sec. This accelerates the drum motor from 0 to max RPM over a
few minutes. Note: Stay with the washer during this test, out of
balance detection is bypassed and the door may not lock. Press
the Start/Pause during the test to hold its spinning speed for 10
minutes before going back to Quick Spin Test Mode. To Exit
Press Delay Start & Pre Soak for 3 sec.
Cycle Count: Press Pre Soak to see total number of washings.
Soft Ware #: Press Soil Level to see the software version Info.
Fast Time Down: Press Temp to advance to the next cycle
Error Codes: Press Spin button and “d” is displayed. Then to
view stored fault codes, turn Jog-Dial. Press Start/Pause while
the code is displayed to view the number of cycles since the er-
ror occurred.
Demo Mode: Press Pre Soak & Extra Rinse for 3 sec. Mode
cancelled when powered off.
Peripheral (Main PCB) input Tests: Press Extra Rinse and
“In” is displayed:
1. Then turn the Jog-Dial so that the Normal LED is turned on.
The Water Temperature will be displayed in Celsius.
2. Then turn Jog-Dial so that the Perm Press LED is turned on.
The Water Temperature will be displayed in Fahrenheit.
3. Then turn the Jog-Dial so that the Delicates/Hand Wash
LED is turned on. The door status will be displayed (OP if
open, CL if closed).
4. Then turn the Jog-Dial so that the Quick Wash LED is turned
on. The door lock Switch status will be displayed (UL if
unlocked, Lo if locked).
5. Then turn the Jog-Dial so that Pure Cycle LED is turned on.
The Water Frequency will be displayed, “256” (25.6KHz) is
base frequency.
IMPORTANT SAFETY NOTICE – “For Technicians Only” This service data sheet
is intended for use by persons having electrical, electronic, and mechanical
experience and knowledge at a level generally considered acceptable in the appliance
repair trade. Any attempt to repair a major appliance may result in personal injury and
property damage. The manufacturer or seller cannot be responsible, nor assume any
liability for injury or damage of any kind arising from the use of this data sheet.
Warranty (USA):
Parts/Labor => 1 Year
Control PCB => 2 Years
Stainless Steel => 3 Years
DD Motor Parts => 10 Years
Caution: Retrieve error codes from “Service Mode” BEFORE entering “Quick Test Mode”

Samsung WA422 AA Series Specifications

General

Brand	Samsung
Model	WA422 AA Series
Category	Washer
Language	English

Summary

Appliance Safety and Diagnostic Modes

Technician Safety Notice

Safety notice for technicians regarding appliance repair and potential hazards.

Service Mode Testing Procedure

Allows detailed operation tests and troubleshooting by entering a specific mode.

Quick Test Mode Guide

Erases faults and memory to perform quick tests on washer components.

USA Washer Warranty Coverage

Warranty Period Details

Details the warranty periods for different parts of the washing machine in the USA.

Washing Machine Electrical Schematics

Detailed Schematic Diagram

Provides a detailed electrical schematic diagram of the washing machine's components and connections.

Control Board Connector Identification

Main Board Connectors WA422 Overview

Lists and describes the connectors on the main control board of the WA422 washer.

Sub Board Connectors WA422 Overview

Lists and describes the connectors on the sub-board of the WA422 washer.

Washing Machine Error Code Troubleshooting Part 1

Water Level Sensor Error (IE) Troubleshooting

Details causes, corrective actions, and photos for water level sensor faults.

Motor & Hall Sensor Error (3E) Guide

Explains causes, actions, and photos for washing motor and hall sensor errors.

Water Supply Error (NF) Diagnostics

Covers water supply valve faults, PCB issues, and freezing problems leading to this error.

Drain Error (ND) Troubleshooting Steps

Addresses freezing, foreign materials, and connection issues related to drain errors.

Communication Error (AE) Resolution

Outlines issues with signal communication between sub and main PBAs.

Switch/Relay Error (E2) Fixes

Describes problems with power or tact switches causing errors.

Washing Machine Error Code Troubleshooting Part 2

Door Lock Errors (dS, FL, LO) Troubleshooting

Details causes and corrective actions for door lock, reed switch, and PCB faults.

Water Leakage Error (LE) Causes

Explains causes and actions for leakage issues in the base, hoses, or valve.

Overflow Error (OE) Diagnostics

Covers water level sensor faults, hose issues, and freezing related to overflow errors.

Temperature Sensor Error (tE) Troubleshooting

Addresses washing temperature sensor faults, connection issues, and PCB problems.

Washing Machine Error Code Troubleshooting Part 3

Unbalance Error (dc) Solutions

Discusses causes and corrective actions for unbalance errors due to laundry or sensor faults.

MEMS Sensor Error (BE, 8E2) Checks

Explains issues with MEMS sensor output voltage and checks for sensor/PBA faults.

Washer Usage, Accessories, and Support Information

Detergent Drawer Water Valve Setup

Illustrates water valve connections for different detergent drawer compartments.

Included Washer Accessories List

Lists accessories and parts included with the washing machine.

Stacking Kit Installation Guide

Provides details about the optional stacking kit for washers and dryers.

Optimal Washer Installation Locations

Advises on proper installation locations to prevent freezing and damage.

Touch Up Paint Color Codes

Lists part numbers for touch-up paint colors available for the washer.

Customer Support & Operational Notices

Provides links for support and important notices regarding cycle operation.