Use and Care Guide
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Reference
Sanitary
Trouble Please check
Ref. Page
The soft light,
bowl light, and
CLEAN indicator
do not light up
Is the setting "OFF"? → Set to "ON".
If the CLEAN indicator LED is not lit, it is time to replace the component that generates
"ewater+". Consult the installer, seller, or TOTO customer service (see contact information on
the back cover).
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Pre-mist and after-
mist do not work
Is "Auto bowl CLEAN" set to "OFF"? → Set to "ON".
The after-mist will work roughly 90 seconds after you leave the bathroom, assuming
you sat on the toilet seat for at least 6 seconds.
The following functions do not work when the toilet seat is open.
Is "Seat/lid" of "Auto open/close" set to "Seat·lid"?
→ You can change it to "Lid".
The pre-mist/after-mist may not work if the toilet is used immediately after the previous
person leaves the bathroom.
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19
35
－
The pre-mist sprays
out spontaneously
Because the body sensor can detect movement through the wall or door in front of the toilet, the
"Auto bowl CLEAN" function may cause the toilet to pre-mist even when you are outside of the
bathroom.
→ You can also set "Auto bowl CLEAN" to "OFF".
If the cleansing functions (e.g.,Rear cleansing and Front cleansing) are not used for about 8
hours, "Auto bowl CLEAN" starts and mist is sprayed inside the bowl unit.
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The UV lamp
illuminates the inside
of the toilet bowl.
*1
When "Full flush", "Rear cleansing", or "Rear soft cleansing" have not been used in about 10
hours the UV lamp lights up.
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The toilet bowl
surface repels water
or tends to get dirty
easily
*1
The toilet bowl surface needs to be cleaned.
→ Clean with a toilet brush or the like using commercially available hydrochloric acid-based or
inorganic acid-based detergent.
For daily cleaning, use neutral detergent.
Is "Auto open/close" set to "OFF"?
→ If it is set to "OFF", the UV lamp function will not work when the toilet lid is open.
－
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The UV lamp does
not light up
*1
The UV lamp does not light up in the following cases:
When the toilet lid is open (when "Auto open/close" is "OFF," etc.)
When "Full ush", "Rear cleansing", or "Rear soft cleansing" were not used for solid waste or
liquid waste.
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Troubleshooting
*1 Other than the MS900CUMFG
Others
Trouble Please check
Ref. Page
The top unit makes
a sound
When entering the bathroom
If "Auto bowl CLEAN" is "ON", you may hear that pre-mist is spraying mist in the bowl unit to
make it more difcult for dirt to adhere.
→ You can turn it "OFF".
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When using the cleansing functions (Rear cleansing, Soft rear cleansing, or Front cleansing)
You can hear the sound of the pump operating while cleansing water is being supplied.
－
When moving away from the bowl unit after use
When "Auto power deodorizer" is "ON", operation sounds are made while the deodorizing power
increases for 60 seconds after you stand up from the toilet seat.
→ You can turn it "OFF".
If "Auto wand CLEAN" is "ON" and you use the cleansing functions (e.g.,Rear cleansing and
Front cleansing), you may hear that the wand is extended and cleaned with "ewater+".
→ You can turn it "OFF".
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36
When leaving the bathroom after use
If "Auto bowl CLEAN" is "ON" and you sit on the toilet seat and use the toilet, you may hear that
mist of "ewater+" is sprayed inside the bowl unit.
→ You can turn it "OFF".
You may hear that the wand is extended and the remaining water in the product is
drained when "Auto wand CLEAN" and other functions are performed.
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－
When not using the product (e.g., at night)
You may hear the following sounds if "Auto wand CLEAN" or "Auto bowl CLEAN" is "ON" and
if you do not use the cleansing functions (e.g.,Rear cleansing and Front cleansing) for about 8
hours.
"Auto wand CLEAN" : Sound of cleaning the wand with "ewater+"
: Sound of extending the wand and draining remaining water from the
product after operation of functions
"Auto bowl CLEAN" : Sound of spraying mist of "ewater+" mist inside the bowl unit
→ You can turn it "OFF".
Because the body sensor can detect movement through the wall or door in front of the toilet, the
"Auto open/close" and "Auto bowl CLEAN" functions may cause the toilet to pre-mist, or the lid
to open, even when you are outside of the bathroom.
→ You can also set "Auto open/close" or "Auto bowl CLEAN" to "OFF".
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