Installation Sheet

Clean the small hole in the
TROUBLESHOOTING
No water comes
from the
Flush Valve
Water does not
stop flowing
The discharge
volume is too small
The discharge
volume is too much
The flow rate is too
low
A red light in the
sensor window blinks
The main valve in water supply
line or the control stop is shut off
One or more cables not
connected
The surface of the glass in front
of the infrared sensor is dirty
The glass is broken
There is a reflective surface in
front of the sensor
The infrared sensor or the
solenoid is out of order
The small holes in the solenoid
diaphragm are clogged
Hydropower generator is clogged
The small hole in the piston is
clogged (not for TEU1UA)
The sealing area of the piston is
dirty (not for TEU1UA)
The sealing area of the solenoid
diaphragm is dirty
The screw of the control stop is
not adjusted properly
Water supply pressure is too low
(below rated minimum pressure)
The control stop is not open
enough
The flow rate is too
high
The control stop is not adjusted
properly
The battery is weak
Open the main valve or the
control stop
Check all cable connections
Clean the surface of the
glass
Contact distributor for
replacement
Remove the reflective
surface in front of sensor
Contact distributor for
replacement
Clean the small hole in the
diaphragm and filter
Service hydropower
generator
piston
Clean the sealing area of
the piston
Clean the sealing area of
the diaphragm and filter
Adjust the discharge quantity
by the screw of the control
stop
Consult with a plumbing
contractor
Adjust the control stop
properly
Adjust the control stop
properly
Replace with battery provided
by TOTO
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Piston u-packing is damaged
(not for TEU1UA)
Inspect & replace if
necessary
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Ref.PageSuggested ActionPossible Cause
NOTE: Do not dismantle parts of the Flush Valve which are not specified in the
Problem
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troubleshooting guide.
If you need further assistance, please call TOTO Technical Support at [phone].
ENGLISH
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