Whirlpool Dishwasher WDT730HAMZ

User Manual & Troubleshooting Guide

Built-in Dishwasher

Installation Guide

Tools Needed:

  • Adjustable wrench
  • Level
  • Screwdrivers (flat and Phillips)
  • Pliers
  • Tape measure
  • Pipe thread seal tape

Step-by-Step Installation

  1. Prepare Installation Area: Ensure cabinet opening is properly sized and level. Remove any debris from the space.
  2. Remove Shipping Materials: Remove all protective films, tapes, and shipping braces from the dishwasher interior.
  3. Connect Water Supply: Connect hot water supply line to the water inlet valve using new braided stainless steel hose.
  4. Connect Drain Hose: Route the drain hose to the sink drain or garbage disposal with a high loop to prevent backflow.
  5. Electrical Connection: Connect to a properly grounded 120V, 60Hz, 15A dedicated circuit. Follow local electrical codes.
  6. Level the Dishwasher: Adjust the leveling legs to ensure the dishwasher is level from front to back and side to side.
  7. Secure to Countertop: Use mounting brackets to secure the dishwasher to the underside of the countertop.
  8. Test Run: Run the dishwasher through a complete cycle to check for leaks and proper operation.
Warning: All installations must be performed by a qualified installer to ensure proper operation and maintain warranty coverage.

Specifications

Model Number WDT730HAMZ
Type Built-in Dishwasher
Color Stainless Steel / Black
Place Settings 14 Place Settings
Noise Level 50 dB
Control Type Electronic Touch Controls
Energy Rating ENERGY STARĀ® Certified
Water Consumption 3.2 gallons per cycle
Power Requirements 120V, 60Hz, 15A
Dimensions (HxWxD) 34.5 x 23.8 x 24.5 inches
Weight 105 lbs
Wash Cycles 6 Wash Cycles

Warranty Information

  • Full Warranty: 1 year parts and labor
  • Extended Warranty: 10 years on stainless steel tub
  • 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 upper rack provides additional space for utensils, small items, and cooking tools, maximizing loading capacity and flexibility.

Soil Sensor

Advanced sensor technology automatically detects soil levels and adjusts water temperature and cycle time for optimal cleaning performance.

Power Scour Zone

Enhanced cleaning zone in the lower rack provides powerful spray action for heavily soiled pots, pans, and bakeware.

Hard Food Disposer

Built-in food disposer grinds up food particles during the wash cycle, eliminating the need for pre-rinsing dishes.

Quiet Operation

Sound insulation and advanced motor technology provide quiet operation at just 50 dB, perfect for open-concept living spaces.

Sanitize Cycle

High-temperature final rinse option eliminates 99.9% of household bacteria, providing hygienically clean dishes.

Wash Cycles Explained

Normal Wash

Standard cycle for everyday dishes 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

Quick rinse to prevent food from drying on dishes

Sanitize

High-temperature wash with steam for germ elimination

Delay Start

Delays cycle start for up to 24 hours for energy savings

Troubleshooting

Problem Possible Cause Solution
Dishwasher won't start Power issue, door not latched properly, child lock engaged Check power supply, ensure door is latched completely, check child lock setting
Poor cleaning results Overloading, wrong detergent, spray arms blocked Rearrange load properly, use correct detergent, check spray arm rotation
Water not draining Drain hose clogged, air gap blocked, filter dirty Check drain hose for obstructions, clean air gap, clean filter assembly
Leaking water Door not sealed, overfilling, loose connections Check door seal, ensure proper detergent amount, check water connections
Unusual noises Foreign objects in pump, spray arm hitting dishes Check for foreign objects, rearrange dishes properly
Dishes not drying Rinse aid empty, high humidity rinse selected Refill rinse aid, select heated dry option

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: Heating element issue - Contact service center
  • F5: Control panel communication error - Reset dishwasher
  • F6: Motor control issue - Contact service center
  • F7: Water leak detected - Check for leaks and water supply
  • F8: Door switch issue - Ensure door is fully closed

Manual Downloads

Current Model Manuals

WDT730HAMZ

Built-in Dishwasher with Third Rack

WDT750HAMZ

Built-in Dishwasher with Power Scour

WDT970SAHZ

Built-in Dishwasher with PrintShield

WDF560SAHZ

Built-in Dishwasher with Soil Sensor

Popular Previous Models

WDT720PADM

Built-in Dishwasher with Hard Food Disposer

WDF540PADM

Built-in Dishwasher with Third Rack

WDT910SSYM

Built-in Dishwasher with Stainless Steel Interior

WDF750SAYM

Built-in Dishwasher with Advanced Clean

Note: For models not listed here, please visit the Whirlpool Support Website for complete documentation.