LG LDPH7972S User Manual (English)

Questions and Answers:

N
Natasha StuartAug 21, 2025
How to remove spots and filming on dishes in my LG LDPH7972S?
- E
  Eric MooreAug 21, 2025
  Spots and filming on dishes can occur due to several reasons. Ensure you are using the recommended amount of detergent and that the rinse aid dispenser is full. If you have hard water buildup in the tub, remove all items from the dishwasher, leaving only the racks. Then, add 3 tablespoons (40 g) of citric acid powder to the main wash compartment and run the Machine Clean cycle (Download Cycle: P1) without detergent. If you cannot find citric acid powder, pour approximately one cup (200 ml - 300 ml) of white vinegar into a shallow bowl and place it in the upper rack before running the cycle.
C
Christopher MaxwellAug 22, 2025
How to improve drying results in my LG LDPH7972S Dishwasher?
- K
  ktaylorAug 22, 2025
  Poor drying results can occur for a few reasons. First, run the hot water tap in the sink before starting a wash cycle to ensure cool water is purged from the hot water lines. Using the High Temp. setting can also help. If you're using a rinse aid, adjust the amount to optimize performance. If washing plastic items in a Normal cycle, select the Dry Boost or Night Dry option. Finally, allow the dishwasher to completely finish the dry cycle before opening the door. Note that plastic and nonstick surfaces are harder to dry because water tends to bead rather than sheet off.
D
David HortonAug 25, 2025
How to remove cloudy, white film on dishes after washing in my LG LDPH7972S?
- E
  elizabethharrisAug 25, 2025
  The cloudy film is usually caused by minerals in the water reacting with the dishwasher detergent. First, be certain not to use too much detergent. Refer to Adding Detergent to the Dispenser section for recommended detergent amounts. You can also add an extra rinse to the cycle. If you have hard water, it may be necessary to add a performance booster that addresses the hard water condition.
R
rodriguezcarolAug 27, 2025
What to do if my LG Dishwasher will not operate?
- T
  Timothy KramerAug 27, 2025
  If your dishwasher isn't operating, make sure that you have pressed the Start button and that the door is completely closed and latched. Check that the power supply or power supply line is properly connected. Also, verify that a fuse isn't blown or a circuit breaker tripped, and ensure that the Control Lock is deactivated.
A
Ariel MillerAug 27, 2025
Why is there noise during operation of my LG LDPH7972S Dishwasher?
- T
  Thomas WilliamsAug 28, 2025
  Some level of noise is normal during dishwasher operation. However, if the noise seems excessive, check that the dishwasher is level and adjust the leveling feet if needed. Also, make sure the nozzle arm isn't knocking against the dishes; if it is, reposition the dishes.
T
terri37Aug 29, 2025
Why does water remain in the tub of my LG LDPH7972S after the cycle is complete?
- J
  jillburnsAug 30, 2025
  If water remains in the tub after the cycle, the drain hose may be kinked or clogged. Adjust the hose to remove any kinks, or clear any blockages present.
M
michaeljonesAug 31, 2025
Why is my LG LDPH7972S leaking in front?
- S
  Steven GordonAug 31, 2025
  Leaking in front of the appliance can be caused by the dishwasher not being leveled properly. Verify the appliance is level from side to side and from front to back. Also, check if the wrong detergent was used. If excessive sudsing is causing the leak, allow the foam to subside for 24 hours, then clean the inside of the tub with milk.
E
Edwin Marshall DDSSep 2, 2025
Why is the LED blinking, the machine chiming, and my LG LDPH7972S won't start?
- T
  Thomas StevensSep 2, 2025
  The door must be closed within four seconds of pressing the Start button. Open the door and either close the door and press Start (front controls) or press Start and close the door within four seconds (top controls).
L
leahramseySep 3, 2025
Why are there spots and filming on dishes washed in my LG LDPH7972S Dishwasher?
- D
  Debra PattersonSep 4, 2025
  Spots and filming can be due to low water temperature, which should be at least 120 °F for best wash performance. Avoid overloading the dishwasher and ensure dishes are loaded properly, referring to the Operation section. Insufficient water pressure, ideally between 20 and 80 psi, can also cause this issue.
J
Jackson CookSep 5, 2025
Why am I hearing a whistling sound from my LG LDPH7972S?
- Z
  zachary38Sep 5, 2025
  A whistling sound can occur when water is drawn into the dishwasher. If the water pressure is too high, the sound will be louder, so it may be necessary to adjust the water valve to lower the pressure if the noise is too loud.

LG LDPH7972S Specifications

General

Energy Star Qualified/Certified	Yes
SmartThinQ® Technology/Smart Capable	Yes
NSF Certified	Yes
Display	LED
Tub Material	Stainless steel
Motor Type	Direct Drive
Third Rack	Yes