Model # MSY-GL12NA-U1 Official Mitsubishi split-type air conditioner indoor unit

Here are the diagrams and repair parts for Official Mitsubishi MSY-GL12NA-U1 split-type air conditioner indoor unit, as well as links to manuals and error code tables, if available.

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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.

Installation guide

Owner’s manual

Model diagram and schematic

SEARCH WITHIN THIS MODEL

ALL PARTS

Showing 10 of 102 parts |

#21

Indoor electrical unit/functional parts diagram

Band motor

Part #E12F28333

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

Indoor electrical unit/functional parts diagram

Room air conditioner drain hose

Part #E12P72702

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

#12

Indoor electrical unit/functional parts diagram

Plate condenser

Part #E12F76978

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

Indoor electrical unit/functional parts diagram

Water cut

Part #E12F28541

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

Indoor unit structural parts/accessory/remote diagram

Central air conditioner nano platinum filter

Part #E12F28100

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

Indoor electrical unit/functional parts diagram

Vane motor

Part #E12C32303

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

Room air conditioner blower wheel bearing

Part #E12751509

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

#16

Indoor electrical unit/functional parts diagram

Thermistor

Part #E12F28307

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

Indoor unit structural parts/accessory/remote diagram

Box assembly

Part #E12J94234

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

#14

Indoor electrical unit/functional parts diagram

Pcb holder

Part #E12F28095

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

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

View all

Why does my treadmill's walking belt slow down?

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

Why is my treadmill's walking belt slipping?

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

Why is my treadmill's walking belt off center?

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

Why won't my treadmill start even though the console display works?

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

Why is my treadmill's heart rate sensor not accurate?

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

Why does my treadmill have no display?

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

Why won't my treadmill power up?

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

Repair guides for treadmills

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

View all

How to replace a treadmill motor controller

Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the…

Repair difficulty

Time required

15 minutes or less

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 difficulty

Time required

15 minutes or less

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 difficulty

Time required

30 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.

View all

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.…

Model # MSY-GL12NA-U1 Official Mitsubishi split-type air conditioner indoor unit

Here are the diagrams and repair parts for Official Mitsubishi MSY-GL12NA-U1 split-type air conditioner indoor unit, as well as links to manuals and error code tables, if available.

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

ALL PARTS

Showing 10 of 102 parts |

#21

Indoor electrical unit/functional parts diagram

Band motor

Part #E12F28333

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

Indoor electrical unit/functional parts diagram

Room air conditioner drain hose

Part #E12P72702

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

#12

Indoor electrical unit/functional parts diagram

Plate condenser

Part #E12F76978

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

Indoor electrical unit/functional parts diagram

Water cut

Part #E12F28541

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

Indoor unit structural parts/accessory/remote diagram

Central air conditioner nano platinum filter

Part #E12F28100

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

Indoor electrical unit/functional parts diagram

Vane motor

Part #E12C32303

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

Room air conditioner blower wheel bearing

Part #E12751509

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

#16

Indoor electrical unit/functional parts diagram

Thermistor

Part #E12F28307

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

Indoor unit structural parts/accessory/remote diagram

Box assembly

Part #E12J94234

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

#14

Indoor electrical unit/functional parts diagram

Pcb holder

Part #E12F28095

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

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

View all

Why does my treadmill's walking belt slow down?

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

Why is my treadmill's walking belt slipping?

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

Why is my treadmill's walking belt off center?

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

Why won't my treadmill start even though the console display works?

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