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Mitsubishi MS12NN split-type air conditioner Parts

Here are the diagrams and repair parts for Mitsubishi MS12NN split-type air conditioner, as well as links to manuals and error code tables, if available.

Mitsubishi MS12NN split-type air conditioner
By Schematic
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Browse Parts for MS12NN Split-Type Air Conditioner

  • Liquid Union for Mitsubishi MS12NN - Part E02138667

    Heat exchanger diagram

    Liquid Union

    Part #E02138667

    The manufacturer no longer makes this part, and there's no substitute part

  • Union Gas for Mitsubishi MS12NN - Part E02138666

    Heat exchanger diagram

    Union Gas

    Part #E02138666

    The manufacturer no longer makes this part, and there's no substitute part

  • Installation for Mitsubishi MS12NN - Part E02141970

    Cabinet parts diagram

    Installation

    Part #E02141970

    The manufacturer no longer makes this part, and there's no substitute part

  • Remote Control for Mitsubishi MS12NN - Part E02141083

    Cabinet parts diagram

    Remote Control

    Part #E02141083

    The manufacturer no longer makes this part, and there's no substitute part

  • Box for Mitsubishi MS12NN - Part E02143234

    Cabinet parts diagram

    Box

    Part #E02143234

    The manufacturer no longer makes this part, and there's no substitute part

  • Sleeve Bea for Mitsubishi MS12NN - Part E02001504

    Motor fan assy diagram

    Sleeve Bea

    Part #E02001504

    The manufacturer no longer makes this part, and there's no substitute part

  • Remote Control for Mitsubishi MS12NN - Part E02268426

    Cabinet parts diagram

    Remote Control

    Part #E02268426

    The manufacturer no longer makes this part, and there's no substitute part

  • Indoor Fan for Mitsubishi MS12NN - Part E02270300

    Motor fan assy diagram

    Indoor Fan

    Part #E02270300

    The manufacturer no longer makes this part, and there's no substitute part

  • Grille for Mitsubishi MS12NN - Part E02138010

    Cabinet parts diagram

    Grille

    Part #E02138010

    The manufacturer no longer makes this part, and there's no substitute part

  • Line Flow for Mitsubishi MS12NN - Part E02141302

    Motor fan assy diagram

    Line Flow

    Part #E02141302

    The manufacturer no longer makes this part, and there's no substitute part

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

Main causes: damaged walking belt, improper belt tension, bad roller bearing…

Main causes: faulty sensors, wiring failure, bad control console…

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

Main causes: bad control console, wiring failure, bad motor control board…

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

Repair guides for treadmills

These step-by-step repair guides will help you safely fix what’s broken on your treadmill.

How to replace a treadmill walking board

How to replace a treadmill walking board

A worn-out walking board creates friction with the walking belt and causes the belt to slow down during use. Replace the…

Repair time and Difficulty

 30 minutes or less
How to replace a treadmill drive motor

How to replace a treadmill drive motor

A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…

Repair time and Difficulty

 15 minutes or less
How to replace a treadmill walking belt

How to replace a treadmill walking belt

A worn walking belt will begin to slow down during use. If your treadmill walking belt is worn out, replace it using the…

Repair time and Difficulty

 45 minutes or less

Effective articles & videos to help repair your air handlers

Use the advice and tips in these articles and videos to get the most out of your treadmill.

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

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