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Alliance Laundry Systems HWTT20*N User Manual

Alliance Laundry Systems HWTT20*N
130 pages
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www.comlaundry.com
Troubleshooting
Part No. 39201R8
December 2009
Commercial
Automatic
Washer
Metered and Nonmetered
Refer to Page 6 for Model Numbers
H002C

Table of Contents

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Alliance Laundry Systems HWTT20*N Specifications

General IconGeneral
BrandAlliance Laundry Systems
ModelHWTT20*N
CategoryWasher
LanguageEnglish

Summary

Safety Information

Locating an Authorized Servicer

Find certified service technicians for washer repairs and support.

General Safety Precautions

Essential warnings for safe operation, installation, and maintenance to prevent injury.

Introduction

Customer Service and Nameplate Location

Information on contacting support and locating model and serial numbers.

Model Identification

Details on identifying specific washer models based on their configurations.

General Troubleshooting

Motor Operation Issues

Diagnosing why the motor does not run or operate correctly during cycles.

Water Fill and Level Issues

Troubleshooting water fill problems, including not stopping at the proper level.

Agitation and Spin Performance

Addressing issues with slow spin, no spin, constant spin, or no agitation.

Payment System Troubleshooting

Resolving issues with coin drops, coin slides, and payment acceptance.

Error Code Diagnostics

Understanding and resolving EDC, MDC, and NetMaster specific error codes.

Adjustments

Leveling Legs

Procedures for adjusting the washer's legs to ensure stability and proper operation.

Pressure Switch Adjustment

How to set the water fill level by adjusting the pressure switch cam.

Cleaning Coin Drop Mechanisms

Steps for cleaning both non-electronic and electronic coin drop components.

Motor Test Procedure

Motor Testing with Ohm Meter

Using an ohmmeter to test motor windings, start switch, and thermal overload.

Cycle Sequence Charts

Timer Model Cycle Sequences

Detailed breakdown of cycle steps, lights, water temp, and motor speed for various timers.

Coin Slide Model Cycle Sequences

Cycle sequence charts for coin slide operated and non-metered models.

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