Haier AS18ND3HAA User Manual

SERVICE MANUAL
Wall Mounted Type
AS18ND3HAAModel No.
This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or
Repair the product or products dealt with in this service information by anyone else could result in serious injury or death
WARNING
2017 (Qingdao Haier Air Conditioner General corp. , Ltd)
All rights reserved. Unauthorized copying and distribution is a violation of law
Haier Group
Version V1 Date 2017-04-24
ON/OFF
N-Series
HSU-18HNM03/R2(UKR)
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Haier AS18ND3HAA Specifications

General

Brand	Haier
Model	AS18ND3HAA
Category	Air Conditioner
Language	English

Summary

1 Introduction

1.2 Safety Cautions

Provides critical warnings and cautions for repair and operation safety.

3 Specifications

6 Printed Circuit Board Connector Wiring Diagram

7 Functions and Control

10 Service Diagnosis

10.1 Diagnostic Cautions and Parameters

Safety warnings and key parameters for electronic appliances before diagnosis.

10.3 Problem Symptoms and Measures

Lists common symptoms, check items, and measures for troubleshooting.

10.4 Error Codes and Descriptions

Explains indoor error codes, their references, and troubleshooting for sensor failures.

10.4.2 EEPROM and Fan Motor Malfunctions

Troubleshooting for EEPROM errors (E4) and DC fan motor malfunctions (E14).

11 Circuit Diagram

Removal Procedure