Troubleshooting - Toto EcoPower Installation And Owner's Manual

Problem
The main valve in water supply
line or the control stop is shut off
The connector is not
connected
The surface of the glass in front
of the infrared sensor is dirty
The glass is broken
No water comes There is a reflective surface in
from the flush
front of the sensor
valve
The infrared sensor or the
solenoid is out of order
The small holes in the solenoid
diaphragm are clogged
Hydropower generator clogged
The small hole in the piston is
clogged. (not for TEU*UA(R)(X))
The sealing area of the piston is
Water does not
dirty. (not for TEU*UA(R)(X))
stop flowing
The sealing area of the solenoid
diaphragm is dirty.
Piston U-packing damaged.
(not for TEU*UA(R)(X))
The discharge
The screw of the control stop or
quantity is too small
the screw of the piston valve are
The discharge
not adjusted properly
quantity is too much
Water supply pressure is too low.
(below rated minimum pressure)
The flow rate is too
low
The control stop is not open enough.
The flow rate is too
The control stop is not adjusted
high properly.
A red light in the
The battery is weak.
sensor window blinks
NOTE: Do not dismantle parts of the flush valve which are not specified in the
troubleshooting guide.
If you need further assistance, please call TOTO Tech Support at (888) 295-8134.

TROUBLESHOOTING

Possible Cause
16
Suggested Action
Open the main valve or the
control stop
Connect the wire
Clean the surface of the
glass
Contact distributor for
replacement
Remove the reflective
surface from the sensor
Contact distributor for
replacement
Clean the small hole in the
diaphragm and filter
Service Hydropower
Generator
Clean the small hole in the
piston
Clean the sealing area of
the piston
Clean the sealing area of
the diaphragm and filter
Inspect & replace if
necessary
Adjust the discharge quantity
by the screw of the control
stop and the screw of the
piston valve
Consult with a plumbing
contractor
Adjust the control stop properly
Adjust the control stop
properly.
Check voltage with multimeter,
if below 2.6 V, contact TOTO
for replacement battery.
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