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Rival
Small Appliance

Model # 303 GRINDER Official Rival grinder

Here are the diagrams and repair parts for Official Rival 303-GRINDER grinder, as well as links to manuals and error code tables, if available.

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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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Error Codes

Model diagram and schematic

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Showing 10 of 18 parts  |
Worm Asmbly 993-167
#5

Replacement parts diagram

Worm asmbly

Part #993-167

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

Bushing 117-031
#4

Replacement parts diagram

Bushing

Part #117-031

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

Owner's Manual 427-821

#NI

All parts diagram

Owner's manual

Part #427-821

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

Knob Assembly 993-099
#16

Replacement parts diagram

Knob assembly

Part #993-099

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

Nut 542-153
#8

Replacement parts diagram

Nut

Part #542-153

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

Knob Assembly 993-601
#1

Replacement parts diagram

Knob assembly

Part #993-601

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

Pedestal 997-416
#10

Replacement parts diagram

Pedestal

Part #997-416

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

Handle Assembly 997-026
#2

Replacement parts diagram

Handle assembly

Part #997-026

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

Hopper Assembly 997-669
#3

Replacement parts diagram

Hopper assembly

Part #997-669

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

Lever 462-015
#15

Replacement parts diagram

Lever

Part #462-015

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 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 draining?

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

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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 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's remote monitor working?

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

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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 run?

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

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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 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 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
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.…

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Repair difficulty
Time required
 30 minutes or less
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

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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Wiring schematic symbols explained video

Wiring schematic symbols explained video

Learn some of the most common symbols found in a wiring diagram and what they mean.…

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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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