Toto NEOREST 600 MS990CGR Instruction Manual page 23

Toilet Seat Sensor
Problem Possible Cause
Even when not seated
Is the toilet seat sensor covered with something?
on the toilet seat, the
"Rear Wash", "Air
deodorizer" and
"Warm Air Dryer"
functions turn on
when the buttons are
Is the toilet seat sensor dirty or wet?
pushed.
Even when seated on
The sensors in the toilet seat sensor may not
the toilet seat, the
work properly depending upon the way in which
"Rear Wash", "Air
the user sits on the toilet seat, or stands in front
deodorizer" and
of it, or the color of the clothing or type of fabric
"Warm Air Dryer"
worn.
functions do not turn
on when the buttons
Is the toilet seat sensor covered up by your
are pushed.
clothing? Are the sensors covered with dust or
Or, the "Auto Open/
water?
Close" and the "Auto
Flush" fail to operate.
Auto Flush
Problem Possible Cause
Is the Auto Flush function OFF? When it is OFF,
the "Flush" light on the remote controller display
will not be lit up.
Once the Auto Flush button has been pushed,
the Auto Flush function will not operate again
until 60 seconds have passed.
Is the toilet seat sensor or motion detection
sensor covered with something?
When the remote controller is used to flush the
The toilet bowl flush
toilet, the Auto Flush function will not
function does not
operate.However, if the motion detection sensor
automatically turn on.
continues to detect motion for more than 60
seconds, the Auto Flush function will operate.
Is the toilet seat sensor or motion detection
sensor dirty or wet?
Are there any wall hangings or fixtures located
directly in front of the toilet?
In case of sitting for less than 6 seconds, the
automatic flush will not activate.
When both seat and lid are opened, but it is not
stood in front of for more than 6 seconds, the
automatic flush will not activate.
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Solution
Make sure that the sensors are not
covered, as this will prevent the
infrared light from projecting.
(See page 14.)
Remove any dirt or water that is on the
toilet seat sensor.
If you sit down deep on the toilet seat,
or raise the clothing you are wearing
to allow the sensor to detect bare skin.
Make sure that the sensors are not
covered, as this will prevent the
infrared light from projecting.
Solution
Push the Auto Flush on the remote
controller to turn it ON.
(See page 21~22.)
Use the "Flush" button on the remote
controller to flush the toilet.
Refer to the toilet seat sensor
instructions on page 44.
—
Remove any dirt or water that is on the
toilet seat sensor or motion detection
sensor.
Do not hang any decorations or
fixtures directly in front of the unit.
Sit for more than 6 seconds. See page
21.
Stand in front for more than 6
seconds. See page 22.
Auto Flush (Continued)
Problem Possible Cause
The toilet bowl flush
Is the "sensor" light on the main unit display
function does not
OFF? When it is OFF, standing in front of the
automatically turn on.
toilet will not activate the Auto Flush function.
The sensors in the toilet seat sensor and motion
detection sensor may not work properly
depending upon the way in which the user sits
on the toilet seat, or stands in front of it, or the
The toilet flushes by
color of the clothing or type of fabric worn.
itself.
Is the toilet seat sensor or motion detection
sensor covered up by your clothing? Are the
sensors covered with dust or water?
Other
Problem Possible Cause
Is the water shutoff valve open?
The toilet does not
Is the water supply filter dirty?
flush properly (the
"water pressure" light
is flashing).
Is water being used in other areas of the
household or building? (The "water pressure"
light flashes if the water pressure is too low for
the toilet to flush properly.)
Is the water shutoff valve closed?
Water does not spray
when the toilet is
flushed.
Has the water supply to the house been cut off?
In the following situations, the toilet seat sensor
may become activated:
●
of the toilet seat; when closing/opening the
●
toilet seat and lid; when cleaning the toilet;
●
Water sprays from
when using the toilet bowl flush lever
the area near the
wand even though no
If the temperature inside the toilet unit is too
one is seated on the
cold, the Washlet automatically drains itself of
toilet seat.
water to prevent frozen pipes. When this
happens, you will hear water draining for
approximately 10 seconds, but this is not a
malfunction.
Water leaks from the
Are the pipes loose?
pipe fittings.
Solution
Move away from the toilet and wait for
3 seconds. (See page 21~22.)
If you sit down deep on the toilet seat,
change the position where you are
standing or raise your clothes, the
sensor will detect the bare skin.
Make sure that the sensors are not
covered, as this will prevent the
infrared light from projecting.
Solution
Make sure that the water shutoff valve
is open enough to allow proper flow of
water.
Clean the water supply filter. (See
page 34.)
—
Make sure that the water shutoff valve
is open enough to allow proper flow of
water.
Wait until the water supply is restored.
when standing in front
—
●
—
Tighten the pipes with a monkey
wrench.
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