Drain Installation Guide
Tools Needed:
- Adjustable wrench
- Pipe cutter
- Screwdrivers (flat and Phillips)
- Pipe sealant tape
- Bucket and towels
Step-by-Step Drain Installation
- Choose Drain Location: Select a location near kitchen plumbing with proper drainage slope and accessibility.
- Prepare Drain Connection: Ensure drain hose connection point is clear and free of obstructions.
- Connect Drain Hose: Attach drain hose to dishwasher drain outlet using hose clamp. Ensure secure connection.
- Route to Drain System: Route drain hose to sink drain or garbage disposal with proper high loop installation.
- Secure High Loop: Create high loop under sink counter to prevent backflow and siphoning.
- Check Connections: Verify all connections are tight and properly sealed to prevent leaks.
- Test Drain System: Run dishwasher through drain cycle to check for proper drainage and leaks.
Drain Specifications
| Model Series | DF4V9RYP2T |
| Type | Built-in Dishwasher |
| Color | Stainless Steel / Black |
| Drain Hose Diameter | 5/8 inch (16mm) |
| Maximum Drain Height | 48 inches (122 cm) |
| Drain Pump Type | Direct Drive Inverter Pump |
| Energy Rating | A+++ (Most Efficient) |
| Water Consumption | 2.9 gallons per cycle |
| Power Requirements | 120V, 60Hz, 15A |
| Dimensions (HxWxD) | 34.5 x 23.8 x 24.5 inches |
| Weight | 75 lbs (34 kg) |
| Drain Cycle Time | 2-5 minutes |
Warranty Information
- Full Warranty: 2 years parts and labor
- Motor Warranty: 10 years on Direct Drive Drain Motor
- Additional Coverage: Optional extended warranty available
For warranty service, contact LG Customer Service at 1-800-243-0000 or visit LG.com
Drain Features
Direct Drive Drain Motor
LG's innovative Direct Drive drain motor connects directly to the pump without belts or pulleys, providing powerful and reliable drainage with minimal noise and vibration.
Inverter Drain Technology
The advanced inverter drain motor provides precise control over drainage speed and power, ensuring efficient water removal while reducing energy consumption.
Self-Cleaning Filter System
Automatic filter cleaning during drain cycles prevents clogs and maintains optimal drainage performance without manual maintenance.
Quiet Drain Operation
Specially designed drain system operates at low noise levels (below 44 dB) for peaceful kitchen environment during drainage cycles.
SmartThinQ Drain Monitoring
Wi-Fi enabled for remote monitoring of drain performance, receiving alerts for potential clogs or maintenance needs via smartphone app.
High Drain Capacity
Powerful drain pump capable of lifting water up to 48 inches, providing flexible installation options in various kitchen configurations.
Drain Cycle Technology Explained
Standard Drain
Regular drainage cycle for normal wash cycles with balanced water removal
Power Drain
Enhanced drainage for heavy soil loads and maximum water removal efficiency
Quiet Drain
Reduced noise operation for nighttime use and quiet environments
Quick Drain
Rapid water removal for interrupted cycles or emergency drainage needs
Filter Clean Drain
Special cycle that cleans internal filters while draining to prevent buildup
Diagnostic Drain
System check cycle that tests drain performance and identifies potential issues
Drain Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Dishwasher not draining | Clogged drain hose, blocked filter, drain pump failure | Check drain hose for obstructions, clean filter, verify pump operation |
| Slow drainage | Partially clogged drain, kinked hose, high drain loop | Clear drain line, straighten hose, adjust drain loop height |
| Water remains in bottom | Food debris blockage, faulty drain valve, pump issue | Remove debris from sump area, check drain valve, test pump |
| Drain error codes | Sensor issues, motor problems, electrical faults | Check error code meaning, reset unit, contact service if persistent |
| Unusual drain noises | Foreign objects in pump, worn motor bearings | Check for objects in pump area, listen for bearing noise |
| Drain cycle stops mid-cycle | Overheating pump, electrical interruption, control board issue | Allow unit to cool, check power supply, reset control board |
Drain Error Codes
- DE: Drain error - Check drain hose and pump
- OE: Overflow error - Check water level sensor
- PE: Pressure error - Check drain pressure switch
- LE: Motor error - Contact service center
- FE: Filter error - Clean or replace filter
- HE: Heating error during drain - Check heating element
Manual Downloads
Current Model Manuals
DF4V9RYP2T
Standard Capacity Dishwasher
DF4V5RYP2T
Stainless Steel Dishwasher
DF4V7RYP2S
ThinQ Enabled Dishwasher
DF4V9RYP2W
White Panel Dishwasher
Popular Previous Models
DF4V710S2W
Large Capacity Dishwasher
DF4V909S2W
Quiet Series Dishwasher
DF1296TD24
Smart Dishwasher
DF4J8VNP2W
Compact Dishwasher