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Universal/Multiflex (Frigidaire)
Dishwasher

Model # MDB122LBS1 Official Universal/Multiflex (Frigidaire) dishwasher

Here are the diagrams and repair parts for Official Universal/Multiflex (Frigidaire) MDB122LBS1 dishwasher, 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:

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  • 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”.

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

Owner’s manual
Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 22 parts  |
Dishwasher Brace 154208701
#4

Frame diagram

Dishwasher brace

Part #154208701

$15.15
In Stock
Select Switch 154240401
#8

Control panel diagram

Select switch

Part #154240401

$43.31
In Stock
Dishwasher Screw 154297701
#NI

Tub diagram

Dishwasher screw

Part #154297701

$13.29
In Stock
Dishwasher Drain Pump 154407401
#60

Motor & pump diagram

Dishwasher drain pump

Part #154407401

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

Dishwasher Screw 5304428306
#NI

Door diagram

Dishwasher screw

Part #5304428306

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

Ground Screw 154095701
#NI

Control panel diagram

Ground screw

Part #154095701

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

Timer Shield 154131203
#NI

Control panel diagram

Timer shield

Part #154131203

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

Screw 154436201
#NI

Control panel diagram

Screw

Part #154436201

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

Dishwasher Control Panel (white) 154368101
#1

Control panel diagram

Dishwasher control panel (white)

Part #154368101

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

Nozzle, 2nd Level, Spray Arm 154406701
#61

Motor & pump diagram

Nozzle, 2nd level, spray arm

Part #154406701

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

Most common symptoms to help you fix your dishwashers

Choose a symptom to see related dishwasher repairs.

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Why won't my dishwasher fill?

Main causes: water supply problem, stuck overfill float, clogged water inlet valve screen, water inlet valve failure…

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Why won't my dishwasher drain?

Main causes: clogged kitchen sink drain, clogged drain hose, drain check valve damaged, drain pump failure, control syst…

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Why does my dishwasher door drop open too fast?

Main causes: broken door spring, damaged or broken door hinge…

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Why can't I adjust the dishwasher rack height?

Main cause: damaged rack height adjuster…

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Why isn't my dishwasher getting dishes clean?

Main causes: improper loading, low water temperature, improper detergent dosage, detergent dispenser failure, spray arm …

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Why won't my dishwasher start?

Main causes: light switch beside the sink turned off, lack of power, bad dishwasher door switch, control system failure,…

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Why don't my dishes get dry?

Main causes: not using rinse aid, rinse aid dispenser failure, broken heating element, malfunctioning vent, drying fan f…

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Why does my dishwasher stop mid-cycle?

Main causes: broken door latch, tripped circuit breaker, broken heating element, faulty vent fan, sensor failure, contro…

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Why is my dishwasher noisy?

Main causes: glass or popcorn kernel stuck in the chopper blade, drain line vibrating against the cabinet, debris in was…

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Most common repair guides to help fix your dishwashers

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

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How to replace a dishwasher high-limit thermostat

How to replace a dishwasher high-limit thermostat

Follow these steps to replace the high-limit thermostat in your dishwasher if prevents the heating element from heating.…

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Repair difficulty
Time required
 30 minutes or less
How to replace a dishwasher door outer panel

How to replace a dishwasher door outer panel

If your dishwasher door is dented or you want it to match your cabinets or other appliances, this guide shows how to rep…

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Repair difficulty
Time required
 15 minutes or less
How to replace a dishwasher thermal fuse

How to replace a dishwasher thermal fuse

A completely dead control panel often indicates that the thermal fuse on the electronic control board is blown; follow t…

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Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your dishwashers

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

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5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

Get tips on completing essential holiday cleaning tasks to brighten your home.…

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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