Toto NEOREST 600 MS990CGR Instruction Manual page 22

Auto OPEN/CLOSE
Problem Possible Cause
Is the Auto OPEN/CLOSE function OFF? When
it is OFF, the Auto OPEN/CLOSE will not be
display.
Is the sensor light on the main control display
ON?Are you facing the toilet when standing in
front of it?
Is the toilet seat sensor or motion detection
sensor covered with something?
Is the toilet seat sensor or motion detection
sensor dusty or wet?
The lid will not
automatically open
Are there any wall hangings or fixtures located
and close.
directly in front of the toilet?
Was the lid manually closed or closed by remote.
The lid will not reopen for 10 seconds.
When lid is opened, but the seat is not sat on for
more than 6 seconds, then the lid will not close
for 5 minutes.
When both seat and lid are opened, but it is not
stood in front of for more than 6 seconds, then
the lid will not close for 5 minutes.
Is the sensor light located on the main unit
display OFF?
If the light is OFF and the user stands facing the
toilet, the lid will not automatically close.
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 lid closes 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?
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Solution
Push the "Auto" function of the seat and
lid OPEN/CLOSE on the remote controller
to turn it ON. (See page 17, 18.)
Stand facing the toilet.
(See page 17, 18.)
Make sure that the sensors are not
covered as this will prevent the
infrared light from projecting.
Remove any dust or water drops that
may have settled on the sensors.
Do not hang any decorations or
fixtures directly in front of the unit.
Move away 1 foot and wait ten
seconds, then try again. (See page 17.)
—
—
Move away from the toilet and wait for
approximately 90 seconds.
(See page 18.)
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.
Remote Controller
Problem Possible Cause
Does the dead battery warning LED blink?
Are the batteries inserted in the correct position
(+/-)?
The remote controller
Is the remote controller transmitter covered with
does not work.
something?
Is the remote controller transmitter dirty or wet?
Is the toilet seat sensor working properly?
Settings are lost The remote controller will reset when the batteries
when the batteries are changed. Any settings will be lost.
are changed.
Remote Controlled Flushing
Problem Possible Cause
Does the dead battery warning LED blink?
Nothing happens
Has the button been pushed repeatedly?
when the remote
control button for
flushing the toilet
bowl is pushed.
Is the remote controller transmitter dirty or wet?
Remote Controlled Toilet Seat/Lid OPEN/CLOSE
Problem Possible Cause
Nothing happens Does the dead battery warning LED blink?
when the remote
control button for Is the remote controller transmitter dirty or wet?
opening/closing the
toilet seat/lid is
pushed.
Solution
Replace the batteries (See page 11.)
Reinsert the batteries in the correct
position.(See page 11.)
Remove any objects that may be
covering the transmitter.
Remove any dirt or water that may
have settled on the transmitter.
Refer to the toilet seat sensor
instructions on page 44.
Reset the preferred settings.
Solution
Replace the batteries. (See page 11.)
The remote control buttons for flushing
the toilet bowl cannot be pushed
repeatedly. Wait 10 seconds before
pushing the buttons again.
Remove any dirt or water that may
have settled on the transmitter.
Solution
Replace the batteries. (See page 11.)
Remove any dirt or water that may
have settled on the transmitter.
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