Installation Guide
Tools Needed:
- Adjustable wrench
- Level
- Screwdrivers (flat and Phillips)
- Pliers
- Tape measure
- Drill with bits
Step-by-Step Installation
- Prepare Installation Area: Ensure cabinet opening is properly sized and level. Remove any debris from the area.
- Remove Shipping Materials: Remove all protective packaging, tape, and shipping bolts from the dishwasher.
- Connect Water Supply: Connect hot water supply line to the water inlet valve. Use only new braided stainless steel hoses.
- Connect Drain Hose: Route the drain hose to the drain connection with a high loop to prevent backflow.
- Electrical Connection: Connect to a properly grounded 120V, 60Hz, 15A dedicated circuit. Follow local electrical codes.
- Position and Level: Slide dishwasher into opening and adjust leveling legs to ensure proper alignment with countertop.
- Secure to Countertop: Use mounting brackets to secure the dishwasher to the underside of the countertop.
- Test Run: Run the dishwasher through a complete cycle to check for leaks and proper operation.
Specifications
| Model Number | DU1055XTSS3 |
| Type | Built-In Dishwasher |
| Color | Stainless Steel |
| Place Settings | 14 Place Settings |
| Noise Level | 46 dBA |
| Control Type | Electronic Touch Controls |
| Energy Rating | ENERGY STAR® Certified |
| Water Consumption | 2.9 gallons per cycle |
| Power Requirements | 120V, 60Hz, 15A |
| Dimensions (HxWxD) | 33.75 x 23.56 x 22.56 inches |
| Weight | 105 lbs |
| Soil Sensor | Yes - Smart Wash Technology |
Warranty Information
- Full Warranty: 1 year parts and labor
- Extended Warranty: 10 years on stainless steel tub and door liner
- Additional Coverage: Optional extended warranty available
For warranty service, contact Whirlpool Customer Service at 1-800-253-1301 or visit Whirlpool.com
Key Features
Third Level Rack
Extra rack for utensils, spatulas, and small items, providing more loading flexibility and capacity for up to 14 place settings.
Smart Wash Technology
Advanced sensors automatically adjust water temperature, cycle time, and wash action based on soil level for optimal cleaning performance.
Power Scour Zone
Enhanced cleaning zone in the bottom rack with targeted spray jets to remove tough, baked-on foods from pots and pans.
Hard Food Disposer
Built-in food disposer grinds up food particles, eliminating the need to pre-rinse dishes and preventing drain clogs.
Quiet Operation
Sound insulation and advanced motor technology provide quiet operation at only 46 dBA, quieter than normal conversation.
Stainless Steel Interior
Durable stainless steel tub resists stains, odors, and corrosion while providing superior cleaning and drying performance.
Wash Cycle Options
Normal Wash
Ideal for everyday loads with normal soil levels
Heavy Wash
Intensive cleaning for pots, pans, and heavily soiled items
Light Wash
Quick cycle for lightly soiled dishes and glassware
Rinse Only
Rinses dishes to prevent drying of food particles
Sanitize
High-temperature wash that eliminates 99.9% of bacteria
Delay Start
Delays cycle start for up to 24 hours
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Dishwasher won't start | Power issue, door not closed properly | Check power supply, ensure door is latched completely |
| Poor cleaning results | Overloading, wrong detergent, incorrect loading | Reduce load size, use correct detergent, ensure proper loading |
| Water not draining | Drain hose clogged or kinked | Check drain hose for obstructions or kinks, clean filter |
| Leaking water | Door not sealed, overfilling, loose connections | Check door seal, ensure proper detergent amount, check connections |
| Unusual noises | Foreign objects in spray arms, unbalanced load | Check for foreign objects, redistribute load evenly |
| Dishes not drying | Rinse aid empty, water temperature too low | Refill rinse aid, check water heater setting |
Error Codes
- F1: Water supply issue - Check water supply and inlet valve
- F2: Drain issue - Check drain hose and pump
- F3: Temperature sensor issue - Contact service center
- F4: Water leak detected - Check for leaks and water supply
- F5: Motor issue - Contact service center
- F6: Control panel communication error - Reset power
Manual Downloads
Current Model Manuals
DU1055XTSS3
Built-In Dishwasher with Third Rack
DU1055XTBM3
Black Stainless Steel Dishwasher
DU1055XTWS3
White Dishwasher with Third Rack
DU1055XTBK3
Black Dishwasher with Third Rack
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