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Oster
Small Appliance

Model # 990-48 Official Oster grinder

Here are the diagrams and repair parts for Official Oster 990-48 grinder, as well as links to manuals and error code tables, if available.

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Error Codes

Model diagram and schematic

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Showing 10 of 70 parts  |
Nameplate 212896
#1A

Replacement parts diagram

Nameplate

Part #212896

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

Washer 210702
#28

Replacement parts diagram

Washer

Part #210702

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

Grease 206677
#50

Replacement parts diagram

Grease

Part #206677

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

Bushing 208899
#49

Replacement parts diagram

Bushing

Part #208899

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

Coarse Disc 208206
#6

Grinder body assembly diagram

Coarse disc

Part #208206

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

Food Grinder Locking Knob (gray) 4579-004
#5

Replacement parts diagram

Food grinder locking knob (gray)

Part #4579-004

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

Bumper 208327-001
#53

Replacement parts diagram

Bumper

Part #208327-001

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

Terminal 78851
#45

Replacement parts diagram

Terminal

Part #78851

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

Spring Clip 206786
#32

Replacement parts diagram

Spring clip

Part #206786

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

Bearing 4392-000
#15

Replacement parts diagram

Bearing

Part #4392-000

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

Most common symptoms to help you fix your freestanding freezers

Choose a symptom to see related freezer repairs.

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Why isn't my freezer running?

Main causes: lack of power, control system failure, broken compressor start relay, locked up compressor, compressor moto…

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Why is my freezer so noisy?

Main causes: leaky door or lid gasket, broken defrost heater, bad defrost bi-metal thermostat, defrost control failure, …

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Why is my freezer too warm?

Main causes: excessive frost, bad defrost heater, bad defrost bi-metal, control system failure, low refrigerant charge, …

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Why is my freezer hot on the outside?

Main causes: dirty condenser coils, condenser fan failure, dirty bottom front grill, leaky door or lid gasket…

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Why does my freezer have a lot of frost inside?

Main causes: damaged door or lid gasket, cracked cabinet liner, bad defrost bi-metal thermostat, broken defrost heater, …

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Why isn't my freezer cooling?

Main causes: compressor failure, no refrigerant, faulty sensor, control failure, broken defrost heater, bad defrost bi-m…

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Why don't the lights in my freezer work?

Main causes: burned out light bulb, bad door or lid switch, faulty LED light board, wiring failure, control system failu…

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What should I do when my freezer's high-temperature alarm sounds?

Main causes: lack of power, bad compressor, refrigerant leak, bad thermistor, defrost system failure, dirty condenser co…

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Repair guides for upright freezers

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How to replace a freezer LED light board

How to replace a freezer LED light board

The LED lights illuminate the interior of the freezer when you open the door. It takes just a few minutes to replace the…

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Repair difficulty
Time required
 15 minutes or less
How to replace a freezer electronic control board

How to replace a freezer electronic control board

The electronic control board manages the compressor to control freezer temperature. Replace the control board using the…

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How to replace a freezer defrost heater

How to replace a freezer defrost heater

If frost builds up on the freezer evaporator because the defrost heater isn’t working, follow these step-by-step instruc…

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Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your freestanding freezers

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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

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How to use a multimeter to test electrical parts video

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