24_
troubleshooting
pROblem
pOSSIble CAUSe
SOlUTION
there are spots and film
left on dishes.
The water temperature was low.
For best performance, the
temperature of the supplied water
should be 120 ˚F (49 ˚C).
The amount of detergent was
inappropriate.
Use the appropriate amount of
automatic dishwasher detergent.
Too many dishes have been loaded.
Load only an appropriate number of
dishes.
The dishes were loaded incorrectly.
Load your dishes as recommended.
(See page 16.)
Low water pressure.
The water pressure should be
between 20 and 120 psi (140 ~ 830
kPa).
Improper detergent was used.
Use automatic dishwasher
detergent.
There is no rinse aid.
Check the dispenser and add rinse
aid.
The water is too hard.
Add a water softener.
Is too noisy.
Sound is generated when the
dispenser cover is open.
Sound is generated when the drain
pump is operating in an early stage.
This is normal operation.
The dishwasher is not level.
Ensure the dishwasher is level.
Foreign material (screw, plastic
piece, etc.) is in the pump chamber.
Contact a qualified service technician
to remove foreign material from the
pump chamber.
There is a ‘chopping’ sound because
a nozzle is bumping against the
dishes.
Rearrange the dishes.
leaves glasses with a
dim polish.
The water supplied is soft and too
much detergent was used.
Underload the dishwasher and use a
rinse aid to minimize this.
Aluminum dishes were included in
the wash load.
Remove the marks on the dishes
using a low sensitivity cleaner.
leaves a yellow or brown
film on the inside of the
dishwasher.
This is caused by coffee and tea
soils.
Remove the soils using a spot
cleaner.
Does not have any lights
lit up.
The power is not connected.
Connect the power cable.
The circuit breaker has failed.
Check the circuit breaker.
Does not have a
smoothly rotating nozzle.
The nozzle hole is clogged with food
particles.
Clean the nozzle hole.
has a bent upper rack
after loading dishes.
The dishes are not loaded properly.
Load your dishes as recommended.
(See page 16.)
troubleshooting
DMT300-00062A .indb 24
2010-03-26 �� 1:57:45
