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Mitsubishi
Air Handler

Model # MS-12CN Official Mitsubishi air conditioner heat pump

Here are the diagrams and repair parts for Official Mitsubishi MS-12CN air conditioner heat pump, as well as links to manuals and error code tables, if available.

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Installation guide

Model diagram and schematic

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ALL PARTS
Showing 10 of 40 parts  |
Cap Screw T2W510067
#3

Indoor unit diagram

Cap screw

Part #T2W510067

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

Piping Tape M21478917
#5

Accessories diagram

Piping tape

Part #M21478917

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

Heat Exchng T2W523620
#8

Indoor unit diagram

Heat exchng

Part #T2W523620

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

Box Asmby T2W523234
#5

Indoor unit diagram

Box asmby

Part #T2W523234

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

Nzzle Asmbly T2W523235
#1

Indoor unit diagram

Nzzle asmbly

Part #T2W523235

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

Vn Sprng Hld T2W516041
#5

Indoor unit diagram

Vn sprng hld

Part #T2W516041

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

Sleeve M21475977
#1

Accessories diagram

Sleeve

Part #M21475977

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

Putty M21478919
#3

Accessories diagram

Putty

Part #M21478919

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

Mitsubishi Coil Thrmstr T2W595308
#20

Indoor unit diagram

Mitsubishi coil thrmstr

Part #T2W595308

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

Mitsubishi Elec Cntr Bd T2W595450
#12

Indoor unit diagram

Mitsubishi elec cntr bd

Part #T2W595450

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

Symptoms for band saws

Choose a symptom to see related band saw repairs.

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Why does my band saw blade slip off the wheel?

Main causes: damaged rubber tire, worn wheel bearings, loose blade tension, dull saw blade...

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Why won't my band saw cut straight?

Main causes: dull blade, improper feeding, loose blade tension, not using a work piece guide...

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Why does my band saw make ragged cuts?

Main causes: dull blade, using the wrong type of blade, feeding work piece to quickly, loose blade tension...

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Why won't my my band saw's blade move?

Main causes: broken saw blade, bad drive belt, damaged rubber tire...

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Why does my band saw make inaccurate bevel cuts?

Main causes: angle indicator needs adjustment, dull blade...

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Why is my band saw cutting slowly?

Main causes: dull blade, using the wrong type of blade, weak drive motor...

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Why won't my band saw start?

Main causes: lack of electrical power, broken power cord, bad on/off switch, faulty drive motor...

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Repair guides for band saws

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

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How to replace a band saw on-off switch

How to replace a band saw on-off switch

If the switch won't turn the band saw on or off, it could be defective. Replace the switch, using these steps....

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Repair difficulty
Time required
15 minutes or less
How to replace a band saw blade

How to replace a band saw blade

If the saw blade is dull or damaged and isn't cutting cleanly, replace the blade following these steps....

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Repair difficulty
Time required
15 minutes or less
How to replace a band saw drive belt

How to replace a band saw drive belt

If the motor runs but the blade doesn't move, it could be that the drive belt is broken. Here's how to replace it....

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Repair difficulty
Time required
15 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 band saw.

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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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