Keurig K55 Coffee Maker Manual

The Keurig K55 Coffee Maker is a single-serve brewing system featuring multiple cup sizes (6, 8, 10 oz), removable 48oz water reservoir, programmable auto on/off, brew strength control, descale indicator, and compatibility with all K-Cup pods. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation & Setup 3. First-Time Use 4. Specifications 5. Controls and Settings 6. Brewing Process 7. Maintenance & Cleaning 8. Descaling Procedure 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Brew chamber, removable water reservoir, control panel, drip tray, power button, brew size buttons.

FeatureDescription
Water Reservoir48oz removable reservoir with handle
Brew Sizes6oz, 8oz, 10oz programmable options
Brew Strength ControlStrong brew setting for bolder coffee
Auto On/OffProgrammable 2-hour auto shut-off
Descale IndicatorAlerts when descaling is needed
Drip TrayRemovable tray accommodates travel mugs
Power ButtonMain power control
Brew ButtonInitiates brewing process
Add Water IndicatorLights when reservoir is empty
Heating SystemRapid thermal technology

Installation & Setup

Unpack and inspect all components. Place on clean, stable surface.

  1. Remove packaging materials and stickers
  2. Wash removable water reservoir with warm soapy water
  3. Place drip tray in position
  4. Fill reservoir with fresh water and reinstall
  5. Plug into 120V AC power outlet

WARNING! Ensure hands are dry when handling electrical components. Keep away from water sources.

First-Time Use

Prime the brewing system before first use.

  1. Press power button to turn on
  2. Wait for ready indicator light
  3. Lift and close brew handle without K-Cup pod
  4. Place mug on drip tray
  5. Press 10oz brew button to run water through system
  6. Repeat priming process 2-3 times

CAUTION! Do not use without priming. First few brews may contain manufacturing residues.

Specifications

Controls and Settings

Control Panel: Power button, Brew button, Size selection (6oz, 8oz, 10oz), Strong brew indicator, Add water light.

Programming: Press and hold brew size button for 3 seconds to set default size. Auto off can be disabled by pressing power button within 2 seconds of shut-off.

Brew Strength: Press STRONG button before brewing for bolder coffee. Indicator light shows when active.

Brewing Process

Step-by-step brewing instructions:

  1. Press POWER button - wait for ready light
  2. Lift brew handle and insert K-Cup pod
  3. Close brew handle firmly
  4. Place mug on drip tray
  5. Select brew size (6oz, 8oz, 10oz)
  6. Press BREW button - brewing begins immediately
  7. Wait for completion - machine will shut off automatically

Tip: For hottest coffee, pre-warm mug with hot water.

Maintenance & Cleaning

Regular maintenance ensures optimal performance.

  1. Daily: Wipe exterior with damp cloth
  2. Weekly: Remove and wash water reservoir
  3. Monthly: Clean brew chamber with paper clip
  4. As needed: Descale when indicator lights
  5. Drip tray: Remove and clean regularly

CAUTION! Unplug before cleaning. Never immerse machine in water.

Descaling Procedure

Descale every 3-6 months or when indicator lights.

  1. Prepare Keurig descaling solution or white vinegar
  2. Empty water reservoir and fill with descaling solution
  3. Place large mug on drip tray
  4. Press power and brew buttons simultaneously for 3 seconds
  5. Run brew cycles until reservoir is empty
  6. Rinse reservoir and fill with fresh water
  7. Run multiple water-only brew cycles to rinse

WARNING! Use only Keurig descaling solution or vinegar. Follow instructions carefully.

Regulatory Information

UL listed. FCC Part 15 compliant. Manufactured for Keurig Green Mountain, Inc. Copyright © 2025 Keurig. For support, visit www.keurig.com or contact 1-866-901-2739. This appliance is for household use only.

Troubleshooting

SymptomPossible CauseCorrective Action
Machine won't turn onPower connectionCheck power cord; ensure outlet works; reset GFCI
No water flowClogged needle/air lockDescale machine; clear needle with paper clip
Weak coffeeBrew strength settingActivate STRONG brew; use smaller cup size
Leaking waterLoose reservoirEnsure reservoir properly seated; check seals
Not brewing full cupMineral buildupDescale machine; check water reservoir level
Add water light onEmpty reservoirRefill water reservoir; reseat properly

Reset: Unplug for 2 minutes then restart.

Service: 1-866-901-2739; www.keurig.com

Keurig K55 Coffee Maker Manual © - All Rights Reserved 2025