Troubleshooting - Toto EcoPower TET2GB 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 from
There is a reflective surface in
the flush valve
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 clogged
The small hole in the piston is
clogged
The sealing area of the piston is
Water does not
dirty
stop flowing
The sealing area of the solenoid
diaphragm is dirty
Piston U-packing damaged
The discharge
The control stop or the screw of
quantity is too small
the piston valve are not adjusted
The discharge
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 The control stop is not adjusted
too high properly
A red light in The battery is weak
the 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 Services 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 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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