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Mitsubishi Electric MSH-GA60VB- E1 - User Manual

Mitsubishi Electric MSH-GA60VB- E1
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CONTENTS
1. TECHNICAL CHANGES ····································2
2. PART NAMES AND FUNCTIONS······················3
3. SPECIFICATION·················································5
4. NOISE CRITERIA CURVES·······························6
5. OUTLINES AND DIMENSIONS ·························7
6. WIRING DIAGRAM ············································8
7. REFRIGERANT SYSTEM DIAGRAM················9
8. SERVICE FUNCTIONS ····································10
9. TROUBLESHOOTING······································12
10. DISASSEMBLY INSTRUCTIONS·····················21
11. PARTS LIST······················································23
12. RoHS PARTS LIST···········································25
13. OPTIONAL PARTS···········································27
MSH-GA50VB -
MSH-GA60VB -
MSH-GA80VB -
E1
E1
E1
SPLIT-TYPE AIR CONDITIONERS
SERVICE MANUAL
Models
INDOOR UNIT
NOTE:
This service manual describes technical data of the indoor units.
RoHS compliant products have <G> mark on the spec name plate.
For servicing of RoHS compliant products, refer to the RoHS PARTS LIST (RoHS compliant).
Outdoor unit service manual
MUH-GA•VB Series (OB368)
No. OB367
REVISED EDITION-D
Revision D:
• Parts numbers of indoor fan motor and
motor band have been changed.
• Some descriptions have been modified.
Please void OB367 REVISED EDITION-C.
OB367D-1.qxp 12.1.13 7:49 AM Page 1

Table of Contents

Questions and Answers

  • S
    Steven GrayAug 18, 2025
    What causes Mitsubishi Electric MSH-GA60VB- E1 Air Conditioner indoor control system problems?
    • A
      alexanderrobinsonAug 18, 2025
      Indoor control system problems in your Mitsubishi Electric Air Conditioner can occur because it cannot properly read data in the nonvolatile memory of the indoor electronic control P.C. board. In that case, check the indoor electronic control P.C. board.
  • P
    pnavarroAug 20, 2025
    What causes Mitsubishi Electric Air Conditioner indoor fan motor malfunction?
    • A
      Anthony ColemanAug 20, 2025
      The indoor fan motor in your Mitsubishi Electric Air Conditioner may malfunction if the rotational frequency feedback signal is not emitted for 12 seconds after the indoor fan motor is operated.
  • M
    Melissa PetersenAug 23, 2025
    What causes Mitsubishi Electric Air Conditioner indoor coil thermistor issues?
    • N
      Norma GregoryAug 23, 2025
      Issues with the indoor coil thermistor in your Mitsubishi Electric Air Conditioner can be caused by an indoor coil/room temperature thermistor short or open circuit.
  • D
    dpachecoAug 26, 2025
    What causes Mitsubishi Electric MSH-GA60VB- E1 outdoor thermistor malfunction?
    • D
      Donald SotoAug 26, 2025
      Outdoor thermistor malfunction in your Mitsubishi Electric Air Conditioner may be caused by thermistor short or open after compressor start-up or shortage of refrigerant. Check the deicer P.C. board.
  • D
    David AdamsAug 28, 2025
    What causes Mitsubishi Electric MSH-GA60VB- E1 Air Conditioner outdoor control system problems?
    • B
      Brett ParkerAug 28, 2025
      Outdoor control system problems in your Mitsubishi Electric Air Conditioner can occur if it cannot properly read data in the nonvolatile memory of the deicer P.C. board. Check the deicer P.C. board.
  • U
    urayAug 30, 2025
    What does it mean if my Mitsubishi Electric MSH-GA60VB- E1 flashes 2 times?
    • J
      John CainAug 31, 2025
      A 2-time flash on your Mitsubishi Electric Air Conditioner indicates a problem with the room temperature or indoor coil thermistor. Check the room temperature thermistor and the indoor coil thermistor.
  • R
    robinsonevelynSep 2, 2025
    Why is my Mitsubishi Electric Air Conditioner flashing on and off?
    • C
      Calvin LawrenceSep 2, 2025
      A continuous flash on and off (at 0.5-second intervals) on your Mitsubishi Electric Air Conditioner indicates mis-wiring between the indoor and outdoor units.
  • R
    Rachel LopezSep 5, 2025
    What does it mean if my Mitsubishi Electric MSH-GA60VB- E1 flashes 3 times?
    • H
      Hayley BarkerSep 5, 2025
      A 3-time flash on your Mitsubishi Electric Air Conditioner signals a problem with the indoor fan motor.
  • D
    David AllenSep 7, 2025
    Why is my Mitsubishi Electric MSH-GA60VB- E1 MUH-GA80VB having low discharge temperature protection issues?
    • B
      bspenceSep 7, 2025
      Your Mitsubishi Electric Air Conditioner MUH-GA80VB might be experiencing low discharge temperature protection issues because the discharge temperature has been 50° or less on cool operation, or 49° or less on heat operation for 20 minutes. Check the refrigerant circuit and refrigerant amount.
  • A
    Andrew GarciaSep 10, 2025
    What does it mean if my Mitsubishi Electric MSH-GA60VB- E1 Air Conditioner flashes 6 times?
    • B
      Benjamin BensonSep 10, 2025
      A 6-time flash on your Mitsubishi Electric Air Conditioner indicates a problem with the thermistor in the outdoor unit.

Summary

Technical Changes in Mitsubishi Electric Indoor Units

Part Names and Functions Overview

Unit Specifications and Performance Data

Electrical and Fan Motor Specifications

Wiring Diagrams for Indoor Units

MSH-GA50;60 VB Electrical Wiring

Illustrates the electrical connections for the GA50/60VB models.

MSH-GA80 VB Electrical Wiring

Details the electrical connections specific to the GA80VB model.

Refrigerant System Diagrams

Refrigerant Flow for GA50;60 VB Models

Refrigerant Flow for GA80 VB Model

Service Functions and Operations

PC Board Modification for Multiple Units

Details how to modify PC boards for individual unit operation with multiple remotes.

Auto Restart Function Control

Describes the auto restart feature and how to disable it.

Troubleshooting Guide for Indoor Units

Troubleshooting Safety and Preparation

Covers essential cautions and battery replacement for troubleshooting.

Diagnostic Procedures and Indicator Tables

Explains troubleshooting steps, indicator light codes, and symptoms.

Component Testing Criteria and Values

Provides resistance and voltage criteria for testing main parts.

Detailed Troubleshooting Flowcharts

Step-by-step guides for diagnosing specific operational faults.

Electronic Control Board Test Points

Identifies test points and voltage readings on electronic control boards.

Disassembly Instructions for Indoor Units

Electrical and Component Removal Steps

Motor and Fan Assembly Removal Guide

Mitsubishi Electric MSH-GA60VB- E1 Specifications

General IconGeneral
BrandMitsubishi Electric
ModelMSH-GA60VB- E1
CategoryAir Conditioner
LanguageEnglish

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