Samsung Microwave Model 18H704SFS Manual

The Samsung 18H704SFS is a 1.8 cubic foot Over-the-Range Microwave Oven with 1000 watts of cooking power, featuring Sensor Cooking technology, Ceramic Enamel interior, Quick Defrost, Multi-Stage Cooking, Keep Warm function, and a 2-speed 300 CFM ventilation system. It includes a turntable, LED display, child safety lock, and multiple power levels. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Cooking Functions 7. Sensor Cooking Guide 8. Care & Cleaning 9. Safety Features 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Ceramic Enamel interior, LED control panel, Turntable, Ventilation system, Grease filter, Charcoal filter (if recirculating).

FeatureDescription
Cooking Power1000 Watts with 10 power levels
Capacity1.8 cubic feet interior
Sensor CookingAutomatically adjusts time/power based on steam detection
Quick DefrostDefrosts by weight or time
Multi-Stage CookingProgram up to 3 stages with different power levels
Keep WarmMaintains food temperature after cooking
Ventilation2-speed 300 CFM exhaust fan
Turntable12.4-inch rotating glass plate
Child LockPrevents unintended operation
DisplayLED digital clock and timer

Installation

Unpack and inspect contents. Ensure proper mounting location above range.

  1. Measure cabinet space: Minimum 30 inches above cooking surface.
  2. Install mounting template: Follow template instructions for wall screws.
  3. Ventilation setup: Choose external venting or recirculating mode; install ductwork if needed.
  4. Electrical connection: Plug into dedicated 120V, 60Hz, 15-amp outlet.
  5. Secure microwave: Lift onto mounting bracket; secure with screws.

WARNING! Microwave is heavy; use two people for installation. Ensure proper ventilation clearance.

First-Time Setup

Plug in microwave; follow initial setup prompts.

  1. Set clock: Press CLOCK, enter time with number pad, press START.
  2. Select vent mode: Press VENT FAN to choose between external venting or recirculating.
  3. Test operation: Place cup of water inside, set 1 minute cook time to verify function.
  4. Install filters: Insert grease filter and charcoal filter (if recirculating).

CAUTION! Do not operate without grease filter installed. Ensure proper electrical grounding.

Specifications

Controls and Settings

Control Panel: CLOCK, TIMER, POWER LEVEL, SENSOR COOK, QUICK DEFROST, NUMBER PAD (0-9), START/+30 SEC, STOP/CLEAR.

Basic Operations: Set clock, use timer, adjust power level, activate child lock (hold STOP 3 seconds).

Cooking Functions: Sensor Cook (Popcorn, Potato, Beverage, etc.), Quick Defrost, Multi-Stage Cooking, Keep Warm. Vent Control: Low/High/Off settings. Display: Shows time, power level, cooking stage, error codes.

Cooking Functions

Manual Cooking: Enter time with number pad, adjust POWER LEVEL if needed, press START.

  1. Power Levels: 10 (High) to 1 (Low). Default is High (10).
  2. +30 Seconds: Press for quick 30-second cook time addition.
  3. Multi-Stage: Program sequence (e.g., 3 min High, 5 min Medium).
  4. Quick Defrost: Enter weight (0.1 to 6.0 lbs) or time.
  5. Keep Warm: Keeps cooked food warm for up to 99 minutes.

Tip: Cover food with microwave-safe lid or vented plastic wrap to retain moisture.

Sensor Cooking Guide

Automatically adjusts cooking time based on steam sensors.

  1. Press SENSOR COOK repeatedly to select food type.
  2. For popcorn: Press once (automatically sets time for 3.5 oz bag).
  3. For potatoes: Enter quantity (1-4) using number pad.
  4. For beverages: Press once, then START (heats to optimal drinking temperature).
  5. For frozen entrees: Follow package instructions for sensor settings.

WARNING! Keep sensor area clean. Do not use sensor cook with metal containers or covers.

Care & Cleaning

Unplug before cleaning. Clean interior and exterior with mild detergent and soft cloth.

  1. Interior: Wipe with damp cloth; clean turntable with warm soapy water.
  2. Exterior: Clean control panel with soft, damp cloth only.
  3. Grease filter: Remove monthly; wash in dishwasher or hot soapy water.
  4. Charcoal filter: Replace every 6-12 months (recirculating mode only).

CAUTION! Do not use abrasive cleaners, steel wool, or harsh chemicals. Do not spray water directly on controls.

Safety Features

Child Safety Lock: Prevents accidental operation. Door Safety Switches: Stops microwave if door opens during operation. Overheat Protection: Automatically shuts off if overheating detected.

Regulatory Information

FCC Part 18: This device complies with FCC radiation exposure limits. UL Listed: Meets safety standards. Copyright © Samsung Electronics America, Inc. For support, visit www.samsung.com/us/support or contact 1-800-SAMSUNG (1-800-726-7864).

Troubleshooting

SymptomPossible CauseCorrective Action
Microwave won't startDoor not closed properly/Child lockEnsure door fully closed; check child lock status.
Uneven cookingTurntable not rotatingCheck if turntable is properly seated; remove obstruction.
Sparking insideMetal object or foilRemove all metal; use only microwave-safe containers.
Fan not workingVent mode settingCheck vent mode; ensure external vent not blocked.
Error code displaySensor/system errorUnplug for 1 minute, then retry; if persists, call service.
Clock resetsPower interruptionReset clock after power restoration.

Reset: Unplug for 1 minute to reset electronic controls.

Service: 1-800-SAMSUNG; www.samsung.com/us/support

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