Installation Guide
Tools Needed:
- Measuring tape
- Level
- Screwdrivers (flat and Phillips)
- Drill with bits
- Pliers
- Wire cutters/strippers
Step-by-Step Installation
- Choose Installation Location: Select a cabinet space that meets the required dimensions and has proper ventilation clearance.
- Prepare Cabinet Opening: Ensure the cabinet opening matches the specified dimensions and is structurally sound.
- Electrical Connection: Connect to a dedicated 120V, 60Hz, 15A grounded outlet. Follow local electrical codes.
- Ventilation Setup: Install proper external ventilation if required by your model specifications.
- Mounting Bracket Installation: Secure mounting brackets according to the provided template and instructions.
- Microwave Placement: Carefully lift and slide the microwave into the prepared opening, ensuring proper alignment.
- Secure the Unit: Fasten the microwave securely to the cabinet using the provided hardware.
- Test Operation: Test all functions to ensure proper installation and operation.
Specifications
| Model Series | WBMW789HT |
| Type | Built-in Microwave Oven |
| Color | Stainless Steel / Black |
| Capacity | 2.2 cu. ft. |
| Cooking Power | 1200 Watts |
| Control Type | Touch Controls with LED Display |
| Energy Rating | Energy Star Certified |
| Turntable Size | 16 inches |
| Power Requirements | 120V, 60Hz, 15A |
| Dimensions (HxWxD) | 22 x 30 x 18 inches |
| Weight | 85 lbs |
| Ventilation | External venting required |
Warranty Information
- Full Warranty: 1 year parts and labor
- Magnetron Warranty: 10 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
Advanced sensors automatically detect moisture levels and adjust cooking time and power for perfect results every time.
Inverter Technology
Delivers continuous power at lower settings for more even cooking and better defrosting performance.
Steam Cooking
Built-in steam function helps retain nutrients and moisture for healthier cooking options.
Quick Touch Controls
One-touch buttons for common foods and cooking functions for easy operation.
Grill & Convection Combination
Combines microwave speed with grill browning and convection baking for versatile cooking options.
EasyClean Interior
Non-stick ceramic interior makes cleaning simple and quick after use.
Cooking Programs
Auto Defrost
Automatically defrosts frozen foods by weight and type
Sensor Reheat
Intelligently reheats leftovers to perfect serving temperature
Popcorn
Perfect popcorn setting automatically adjusts time for bag size
Beverage
Heats beverages to ideal drinking temperature
Pizza
Special setting for reheating pizza without making it soggy
Frozen Entrees
Optimized for frozen dinners and prepared foods
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Microwave won't start | Power issue, door not closed properly | Check power supply, ensure door is latched completely |
| Uneven cooking | Turntable not rotating, improper food placement | Check turntable operation, rearrange food items |
| Sparking inside | Metal objects, damaged waveguide cover | Remove metal objects, check waveguide cover |
| Display not working | Power surge, control board issue | Reset circuit breaker, contact service if persists |
| Unusual noises | Turntable obstruction, fan issues | Check for obstructions, ensure proper ventilation |
| Food not heating | Magnetron failure, power supply issue | Contact authorized service center |
Error Codes
- F1: Control board communication error - Reset power
- F2: Temperature sensor failure - Contact service
- F3: Door switch error - Check door alignment
- F4: Magnetron temperature high - Allow to cool
- F5: Keypad error - Clean control panel
- F8: Display communication error - Reset unit
Manual Downloads
Current Model Manuals
WBMW789HT
Built-in Convection Microwave
WBMW785HT
Built-in Sensor Microwave
WBMW782HT
Built-in Grill Microwave
WBMW780HT
Standard Built-in Microwave
Popular Previous Models
WMBM505HT
Over-the-Range Microwave
WMHB965HT
Countertop Microwave
WMC5052HT
Compact Microwave
WMH5352HT
Commercial Microwave