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Problem/Indicator
No flush or delayed flush
a. No batteries
b. Low battery in Flush Control or Hand Sensor Module.
c. Incorrect water level in tank
d. The Flush piston or lift rod are stuck.
e. No water in the tank
f. Toilet is clogged
g. Touchless hand swipe was too fast
h. Touchless hand swipe was not in sensor detection area
i. Water supply valve closed
j. Supply line blocked
k. Sand or debris lodged in filter screen
Leaking
a. Incorrect water level
b. Debris on sealing surface
c. Loose Shank Nut
d. Refill water level is too high
e. The refill tube is not installed properly.
Partial Flush
a. Refill tube is not installed in the Overflow Tube
b. Incorrect water level
c. Manual Flush Button not fully depressed
Unintended Flush
a. Motion or object in sensor area
Manual Flush Button
a. Manual Flush Button is not depressed completely
not working
b. There is no water in the tank
c. Incorrect water level
Hand Sensor Module flashes
a. Indicates battery power is low in Flush Control Module in tank
slowly 12 times
Hand Sensor Module flashes
a. Indicates battery power is low in Hand Sensor Module
quickly 5 times
Toilet leaks
a. Poor supply line connection
b. Poor bowl to tank/floor connection
Toilet bowl rocks
a. Wax ring not fully compressed
after installation
b. Floor not level
a. The Flush Control Module in tank is not connected properly.
The Hand Sensor Module
can light up by sensing,
b. The codes of the Hand Sensor Module and Flush Control Module
but does not flush
are not matched or synchronized to each other.
c. The battery pack in the Flush Control Module may not be
orientated correctly.
CARE AND CLEANING
When cleaning your toilet, wash it with mild, soapy water, rinse thoroughly with clear water and dry with a soft cloth.
WARNING: Do not use in-tank cleaners. These products can seriously corrode fittings in the tank. This damage can
cause leakage and property damage. American Standard shall not be responsible or liable for any damage
caused by the use of in-tank cleaners.
Troubleshooting Guide
Possible Cause
a. Install 4 alkaline AA batteries to the Flush Control Module and 3 AAA batteries to the Hand Sensor Module.
b. Follow procedure for low battery indication of Hand Sensor or Flush Control Module.
c. If water level is too low or too high, flush performance is affected. Fill water in the tank to the correct
level, as specified on the back of the tank. See "Water Level Adjustment" procedure.
d. Check if the piston or lift rod moves freely.
e. Fill the tank with water to the level specified on the label on the back of tank.
f. Lift toilet lid and disconnect "Flush Control Cable" from Battery Pack/Flush Control Module. Unclog toilet.
Press and hold "Manual Flush Button" for 2 to 3 seconds to clear trap way and confirm trap is clear of clog.
Reattach 'Flush Control Cable".
g. Initiate a slightly slower hand swipe within the sensor area.
h. Sensor detection area is directly in front of the sensor face and up to 2 inches away from the surface.
i. Open valve and allow water to fill tank.
j. Shut off water supply, disconnect supply line and inspect all gaskets and washers.
Reassemble.
k. Shut OFF water supply to toilet. Follow procedure for "Cleaning Flush Valve In-Line Filter".
a. If water level is too low or too high, flush performance is affected and leaking may occur.
Fill water in the tank to the correct level, as specified on the label on the back of tank.
b. Remove debris on sealing surface causing the leak.
c. Tighten the Shank nut to eliminate the leak.
d. Leaking occurs through the overflow tube due to the Fill Valve float setting too high. Lower the float
setting until the Fill Valve refills to the correct water level. See "Water Level Adjustment Procedure".
e. Adjust refill tube and ensure end of tube is above water line.
a. Connect the refill tube to the Overflow Tube.
b. If water level is too low or too high, flush performance is affected. Fill water in the tank to the correct
level, as specified on the label on the back of tank. See "Water Adjustment Procedure".
c. Press the Manual Flush Button in further.
a. Remove item from the sensor activation area.
a. Press the Manual Flush Button in further for 2 to 3 seconds for a complete flush.
b. Fill the tank with water to the level specified on the label on the back of tank. See "Water Adjustment Procedure".
c. If water level is too low or too high, flush performance is affected. Fill water in the tank to the correct
level, as specified on the label on the back of tank. See "Water Adjustment Procedure".
a. Replace batteries in Flush Control Module in tank.
a. Replace batteries in Hand Sensor Module.
a. Remove supply line, inspect and reconnect. Replace supply line if leak continues.
b. Review Step 2 through 8 of installation procedure.
a. Retighten bowl-to-floor knobs.
b. Use toilet shims and/or place a bead of caulk around the base of the toilet.
a. Ensure wire from Flush Control Module to Flush Valve Body is fully connected.
b. Install Hand Sensor Module batteries within 3 minutes after installing Flush Control Module batteries to
allow codes to match or syncronize.
c. Orientate the batteries in the battery pack.
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Corrective Action
7302484-100 Rev. 4 9/22
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