Mitsubishi
Air Handler

Model # MS12NNWH Official Mitsubishi split-type air conditioner

Here are the diagrams and repair parts for Official Mitsubishi MS12NNWH split-type air conditioner, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 34 parts  |

Pcb-displa E02138329
#11

Electrical parts diagram

Pcb-displa

Part #E02138329

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

Union Gas E02138666
#3

Heat exchanger diagram

Union gas

Part #E02138666

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

Drain Hose E02141702
#3

Electrical parts diagram

Drain hose

Part #E02141702

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

Box E02143234
#3

Structural parts diagram

Box

Part #E02143234

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

Installation E02141970
#5

Structural parts diagram

Installation

Part #E02141970

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

Remote Control E02141083
#NI

Structural parts diagram

Remote control

Part #E02141083

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

Bearing Mo E02141509
#12

Electrical parts diagram

Bearing mo

Part #E02141509

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

Indoor Fan E02270350
#NI

Electrical parts diagram

Indoor fan

Part #E02270350

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

Terminal E02268375
#13

Electrical parts diagram

Terminal

Part #E02268375

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

Lamp Panel E02270007
#NI

Structural parts diagram

Lamp panel

Part #E02270007

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

Symptoms for electric ranges

Main causes: faulty surface element, burner control switch failure, temperature limiter not working properly, loose wiri…

Main causes: impact from dropping an item on the glass surface, ceramic glass surface flaw, surface element temperature …

Repair guides for electric ranges

How to replace a range hidden bake element

How to replace a range hidden bake element

These step-by-step instructions guide you through replacing the oven hidden bake element in an electric range.…

Repair difficulty
Time required
 30 minutes or less
How to replace an electric range oven door outer glass panel

How to replace an electric range oven door outer glass panel

Learn how to replace a damaged outer window panel on your oven door with these step-by-step instructions. …

Repair difficulty
Time required
 45 minutes or less
How to replace a range glass cooktop

How to replace a range glass cooktop

These step-by-step instructions explain how to replace a damaged ceramic glass cooktop on an electric range. …

Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your air handlers

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.…