Keurig K425S Manual

The Keurig K425S is a premium single-serve coffee maker with programmable features, large 80oz water reservoir, color touch screen display, strength control, temperature control, auto on/off, 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 Options 7. Maintenance & Cleaning 8. Programming Features 9. Care Instructions 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Color touch screen display, 80oz removable water reservoir, drip tray, K-Cup pod holder, strength control, temperature control, programmable settings.

FeatureDescription
Water Reservoir80oz capacity, removable for easy filling
Touch Screen DisplayColor LCD with intuitive controls
Strength ControlAdjust brew strength (Strong, Medium, Mild)
Temperature ControlCustomizable brew temperature
Auto On/OffProgrammable start/stop times
Descale IndicatorAlerts when descaling is needed
Brew Sizes4oz, 6oz, 8oz, 10oz, 12oz options
Drip TrayAdjustable height for various cup sizes
Energy SaverAutomatically enters sleep mode
Hot WaterHot water on demand feature

Installation & Setup

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

  1. Remove packaging materials and stickers
  2. Wash water reservoir with warm, soapy water and rinse thoroughly
  3. Place brewer on level surface away from heat sources
  4. Fill reservoir with fresh cold water and insert into brewer
  5. Plug into 120V AC power outlet

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

First-Time Use

Power on brewer; follow initial setup prompts on display.

  1. Prime the system: Run water through without K-Cup pod
  2. Set preferences: Language, time, auto on/off settings
  3. Select default brew size and temperature
  4. Brew first cup: Insert K-Cup and select brew size

CAUTION! First few brews may produce unusual taste - this is normal during initial setup.

Specifications

Controls and Settings

Access all features through touch screen display. Physical buttons: POWER, BREW.

Touch Screen: Brew Size, Strength Control, Temperature, Auto On/Off, Settings, Hot Water, Descaling.

Brew Settings: Size (4-12oz), Strength (Strong/Medium/Mild), Temperature (187°F-192°F). System Settings: Language, Time, Auto On/Off, Brightness, Factory Reset. Maintenance: Descaling, Clean Needle, Water Filter Status.

Brewing Options

Supports all K-Cup pod varieties including coffee, tea, hot cocoa.

  1. Lift handle and insert K-Cup pod
  2. Close handle firmly
  3. Select brew size on touch screen
  4. Press BREW button to start
  5. Adjust strength and temperature as desired
  6. Use hot water feature for tea or instant soups

Tip: For stronger coffee, use smaller brew sizes or Strength Control feature.

Maintenance & Cleaning

Regular maintenance ensures optimal performance and longevity.

  1. Daily: Wipe exterior with damp cloth
  2. Weekly: Clean water reservoir and drip tray
  3. Monthly: Descale as indicated by descale light
  4. As needed: Clean needle with provided tool
  5. Quarterly: Replace water filter

WARNING! Always unplug before cleaning. Never immerse in water.

Programming Features

Auto On/Off: Set specific times for brewer to turn on/off automatically. Strength Control: Adjust brew strength per preference. Temperature Control: Customize brew temperature. Favorite Settings: Save preferred combinations.

Care Instructions

Unplug before cleaning. Use mild detergent and soft cloth. Avoid abrasive cleaners.

CAUTION! Do not use vinegar for descaling - use Keurig descaling solution only. Keep interior dry.

Regulatory Information

UL listed; complies with FCC Part 15. Copyright © 2025 Keurig Green Mountain, Inc. All rights reserved. For support, visit www.keurig.com or contact 1-866-901-2739. Manufactured for Keurig Green Mountain, Inc., Waterbury, VT 05676.

Troubleshooting

SymptomPossible CauseCorrective Action
Brewer won't turn onPower issueCheck power cord connection; ensure outlet works
No water flowClogged needle/reservoirClean brew needle; ensure reservoir seated properly
Weak coffeeStrength setting/descaling neededAdjust strength control; descale brewer
Descale light onMineral buildupRun descaling cycle with Keurig descaling solution
Error messagesVarious system issuesUnplug for 2 minutes; restart; contact support if persists

Reset: Settings > System > Factory Reset if available.

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

Keurig K425S Manual © - All Rights Reserved 2025