Installation Guide
Tools Needed:
- Measuring tape
- Level
- Screwdrivers (flat and Phillips)
- Power outlet tester
- Cleaning cloth
Step-by-Step Installation
- Choose Installation Location: Select a stable, level countertop with proper ventilation clearance (minimum 3 inches on top and sides).
- Remove Packaging Materials: Remove all protective films, tapes, and packaging materials from the microwave oven.
- Check Power Requirements: Ensure a dedicated 120V, 60Hz, 15A grounded electrical outlet is available within reach of the power cord.
- Position the Microwave: Place the microwave oven on a clean, dry, and stable surface away from heat sources and water.
- Ventilation Check: Ensure at least 3 inches of clearance on all sides for proper ventilation and heat dissipation.
- Power Connection: Plug the microwave into the grounded outlet. Do not use extension cords or power strips.
- Initial Test: Run the microwave empty for 1 minute on high power to check for proper operation and unusual sounds.
Specifications
| Model Series | MWP789HT |
| Type | Countertop Microwave Oven |
| Color | Stainless Steel / Black |
| Capacity | 1.7 cu. ft. |
| Power Output | 1100 Watts |
| Control Type | Digital Touch Controls with LED Display |
| Cooking Power Levels | 10 Levels (10% - 100%) |
| Turntable Size | 12.4 inches diameter |
| Power Requirements | 120V, 60Hz, 15A |
| Dimensions (HxWxD) | 12.2 x 21.9 x 16.8 inches |
| Weight | 31.5 lbs |
| Exterior Dimensions | 14.2 x 23.9 x 18.8 inches (with handle) |
Warranty Information
- Full Warranty: 1 year parts and labor
- Magnetron Warranty: 5 years on microwave generator
- Additional Coverage: Optional extended warranty available
For warranty service, contact Whirlpool Customer Service at 1-800-253-1301 or visit Whirlpool.com
Key Features
Sensor Cooking Technology
Automatically detects moisture levels and adjusts cooking time and power for perfect results every time, eliminating guesswork.
Inverter Technology
Provides continuous power at lower settings for more even cooking, defrosting, and simmering without the on/off cycling of conventional microwaves.
Quick 30 Settings
One-touch cooking for 30 seconds at full power, with additional presses adding more time for convenient quick heating.
Multi-Stage Cooking
Program up to 4 stages of cooking with different power levels for complex recipes that require multiple cooking techniques.
EasyClean Interior
Stainless steel interior with special coating makes cleaning easier and prevents stubborn stains and splatters from sticking.
Keep Warm Function
Maintains food at serving temperature after cooking is complete, perfect for keeping meals warm until ready to serve.
Cooking Programs Explained
Popcorn
Automatically sets perfect time and power for microwave popcorn bags
Beverage
Heats cups of water or other beverages to ideal drinking temperature
Potato
Cooks potatoes evenly based on quantity and size selection
Frozen Vegetable
Defrosts and cooks frozen vegetables to perfect tenderness
Reheat
Intelligent reheating that prevents overheating and drying out
Auto Defrost
Defrosts meat, poultry, and fish by weight with even results
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Microwave won't start | Door not closed properly, timer not set, power issue | Ensure door is fully closed, set cooking time, check power supply |
| Uneven cooking | Food not arranged properly, turntable not rotating | Arrange food evenly, check turntable operation |
| Sparking inside | Metal object inside, damaged waveguide cover | Remove all metal objects, check waveguide cover |
| Turntable not rotating | Obstruction, dirty roller guide, motor issue | Remove obstruction, clean roller guide, check motor |
| Display not working | Power surge, control panel issue | Unplug for 1 minute then restart, check control panel |
| Overheating | Ventilation blocked, prolonged use | Ensure proper ventilation, allow cool-down period |
Error Codes
- F1: Temperature sensor failure - Contact service center
- F2: Magnetron temperature high - Allow to cool, check ventilation
- F3: Door switch issue - Check door alignment and switches
- F4: Communication error - Unplug for 5 minutes, then restart
- F5: Keypad error - Clean control panel, check for moisture
- F8: Turntable motor error - Check for obstructions, restart
Manual Downloads
Current Model Manuals
MWP789HT
1.7 cu.ft. Inverter Microwave
MWP655HT
1.5 cu.ft. Sensor Microwave
MWP899HT
2.0 cu.ft. Convection Microwave
MWP455HT
1.1 cu.ft. Compact Microwave
Popular Previous Models
WMC30516AS
1.6 cu.ft. Over-the-Range
WMC20005YS
2.0 cu.ft. Countertop
WMC50522LS
1.9 cu.ft. Built-In
WMC10005XB
1.0 cu.ft. Small Microwave