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Lau
Dehumidifier

Model # T-54 Official Lau dehumidifier

Here are the diagrams and repair parts for Official Lau T-54 dehumidifier, 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”.

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

Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 16 parts  |
Saddle Valve 35-5618-01
#1

Lau replacement parts diagram

Saddle valve

Part #35-5618-01

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

Reservoir 35-5320-01
#5

Lau replacement parts diagram

Reservoir

Part #35-5320-01

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

Spring 280-714-01
#10

Lau replacement parts diagram

Spring

Part #280-714-01

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

Overflow 35-5079-01
#13

Lau replacement parts diagram

Overflow

Part #35-5079-01

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

Rack Support 31-5067-02
#6

Lau replacement parts diagram

Rack support

Part #31-5067-02

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

Part List 285-530-01

#NI

All parts diagram

Part list

Part #285-530-01

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

Screw 250-104-01
#14

Lau replacement parts diagram

Screw

Part #250-104-01

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

Resrvoir Kit 35-5319-01

#NI

All parts diagram

Resrvoir kit

Part #35-5319-01

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

Valve Seal 280-706-01
#7

Lau replacement parts diagram

Valve seal

Part #280-706-01

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

Nameplate 285-533-01
#11

Lau replacement parts diagram

Nameplate

Part #285-533-01

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

Most common symptoms to help you fix your dehumidifiers

Choose a symptom to see related dehumidifier repairs.

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Why doesn't my dehumidifier remove moisture?

Main causes: dirty air filter, clogged grill, dehumidifier placed too close to the wall, dehumidifier too small for the ...

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Why won't my dehumidifier turn on?

Main causes: lack of electrical power, wiring failure, electronic control board failure, user interface control failure...

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Why does my dehumidifier run all the time?

Main causes: dehumidifier too small for the space, bad humidity sensor, faulty evaporator thermistor, low refrigerant, b...

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Why isn't my dehumidifier's remote monitor working?

Main causes: weak or dead batteries, out of range, radio frequency interference...

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Why is there frost on my dehumidifier's coil?

Main causes: room temperature below 65 degrees Fahrenheit, control system failure...

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Why isn't my dehumidifier draining?

Main causes: clogged drain hose, drain hose not properly connected...

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Why is my dehumidifier noisy?

Main causes: loose fan motor mounting screws, loose compressor mounting bracket screws, bad fan, faulty compressor...

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Why won't my dehumidifier run?

Main causes: collection bucket not installed, collection bucket full of water...

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Why does my dehumidifier leak water?

Main causes: collection bucket not installed correctly, cracked collection bucket, loose drain hose connection...

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Most common repair guides to help fix your dehumidifiers

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

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How to replace a dehumidifier electronic control board

How to replace a dehumidifier electronic control board

If the dehumidifier won’t power up because the control board has failed, use the steps in this repair guide to replace t...

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Repair difficulty
Time required
45 minutes or less
How to replace a dehumidifier user interface control board

How to replace a dehumidifier user interface control board

If the dehumidifier doesn’t respond when you try to set it, follow these steps to replace it....

Read more
Repair difficulty
Time required
30 minutes or less
How to replace a dehumidifier sensor assembly

How to replace a dehumidifier sensor assembly

If the humidifier sensor doesn’t properly detect humidity or evaporator temperature, install a new sensor assembly, foll...

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Repair difficulty
Time required
45 minutes or less

Effective articles & videos to help repair your dehumidifiers

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

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How to repair broken or damaged wires video

How to repair broken or damaged wires video

Learn how to repair broken, frayed or damaged wires in your appliances....

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How to use a multimeter to test electrical parts video

How to use a multimeter to test electrical parts video

Learn how to use a multimeter to check for wiring problems in an appliance that's not working...

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How does a dehumidifier work?

How does a dehumidifier work?

Discover how a dehumidifier works....

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