Mitsubishi Electric PLP-6EALM2 User Manual (English)

Brand	Mitsubishi Electric
Model	PLP-6EALM2
Category	Air Conditioner
Language	English

General safety instructions to follow before accessing unit components.

REFRIGERANT HANDLING AND REPAIR CAUTIONS

Covers specific cautions for R32/R410A, preparation, tools, refrigerant, and ventilation.

SERVICE OPERATION AND REFRIGERANT MANAGEMENT

Details warnings for service, cautions for operations, and additional refrigerant charging procedures.

R32 REFRIGERANT SPECIFIC SAFETY MEASURES

Outlines safety checks, work procedures, fire prevention, and electrical safety for R32 units.

4 SPECIFICATIONS

7 WIRING DIAGRAM

INDOOR UNIT WIRING DIAGRAM

SELF-DIAGNOSIS CHECK CODES

8 REFRIGERANT SYSTEM DIAGRAM

REFRIGERANT FLOW AND COMPONENT LOCATIONS

9 TROUBLESHOOTING

TROUBLESHOOTING OVERVIEW AND DIAGNOSIS METHODS

Introduces troubleshooting steps, check codes, and using the remote controller for malfunction diagnosis.

ERROR CODE DETAILS AND CAUSES

Lists error codes, their symptoms, output patterns, and potential causes for indoor and outdoor units.

UNIT OPERATION PROBLEMS AND LED INDICATORS

Addresses operational issues like unit failure and explains the function of indoor controller board LEDs.

SELF-DIAGNOSIS AND PROBLEM RESOLUTION

Details the self-diagnosis action table for indoor unit errors and troubleshooting specific operational problems.

EMERGENCY OPERATION AND PART CHECKS

Explains emergency operation procedures and methods for checking key unit components.

HOW TO CHECK THE PARTS

Provides methods for checking the resistance and operation of key components like thermistors, motors, and switches.

TEST POINT DIAGRAM AND CONFIGURATION SETTINGS

Provides test point diagrams for the controller board and explains DIP switch/jumper wire functions.

10 FUNCTION SETTING

UNIT FUNCTION SETTING BY REMOTE CONTROLLER

12 DISASSEMBLY PROCEDURE

REMOVING THE FILTER AND AIR INTAKE GRILLE

Details the process for removing the air intake grille and filter from the indoor unit.

REMOVING THE ELECTRICAL BOX COVER

Explains how to remove the electrical box cover to access internal components.

REMOVING THE ROOM TEMPERATURE THERMISTOR

Describes how to remove the room temperature thermistor (TH1) and its associated wiring.

REMOVING THE INDOOR CONTROLLER BOARD

Details the steps to disconnect connectors and remove the indoor controller board (I.B).

REMOVING THE ELECTRICAL BOX

REMOVING THE TURBO FAN AND FAN MOTOR

REMOVING THE FAN MOTOR (MF)

REMOVING THE PANEL

REMOVING THE DRAIN PAN

REMOVING THERMISTORS (TH2/TH5)

REMOVING THE DRAIN PUMP (DP)

REMOVING THE FLOAT SWITCH (FS)

REMOVING THE HEAT EXCHANGER

13 REMOTE CONTROLLER

CONTROLLER INTERFACE, DISPLAY, AND BASIC OPERATION

REMOTE CONTROLLER MENUS AND FUNCTION SETTINGS

ERROR HANDLING, DIAGNOSTICS, AND MAINTENANCE

Covers checking errors, self-diagnosis, controller checks, service menu access, and smooth maintenance.

Mitsubishi Electric PLP-6EALM2 User Manual

Table of Contents

Questions and Answers:

Mitsubishi Electric PLP-6EALM2 Specifications

Summary

2 SAFETY PRECAUTION

UNIT SYMBOL MEANINGS AND GENERAL SAFETY

ALWAYS OBSERVE FOR SAFETY