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Technical Concepts AutoFlush - Troubleshooting Guide

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Install Battery Compartment
6.1Check to make sure the sensor cord and motor cord will reach the battery compartment before mounting.
6.2Remove battery compartment cover by unscrewing the two Phillips screws. Inside the battery box (K) there are two large
screws and anchors (L). Place the battery compartment (K) in a convenient location under the tank, ensuring easy access.
6.3 Secure to wall with screws and anchors, or double-sided tape (R). Note: The battery compartment may be mounted using one 
screw and anchor with the top slot facilitating easy removal for battery replacement. Make sure the motor cord is placed in the 
notch at the back edge of the toilet tank (6.3a). If there is not a notch then use the two clear plastic shims (Q)(6.3b).
6.4Plug in the cord from the motor (A) into either one of the receptacles in the battery compartment.
6.5 Install four (4) "D" cell alkaline batteries (P). Noting the battery position marks on the inside of the compartment. Replace 
cover on battery box.
7.1Turn water on and replace toilet tank cover.
7.2Your AutoFlush unit comes preset from the factory. If special circumstances require adjustment of the activation distance, see Appendix A – Adjusting
Your AutoFlush. The AutoFlush unit has a 7 minute start-up sequence in which the Object Lock Sensor will activate the User-In-View green L.E.D.
continuously as long as a user or object is in view. After the start-up sequence is completed and when the Object Lock Sensor has a user in view, the 
User-In-View green L.E.D. will flash 3 times once the user is in front of the unit for a minimum of 5 seconds. This prevents needless flushes when 
someone walks by.
Green L.E.D. (light) flashes 3 times 
when there are no users.
Yellow L.E.D. (light) flashes.
Front of Object Lock Sensor is 
covered or Object Lock Sensor
is set too far out, registering 
unwanted object.
Batteries need replacing.
Remove item covering sensor 
or adjust Object Lock
Sensor activation distance.
(See Appendix A - Adjusting the AutoFlush)
Replace batteries. Use Only Alkaline Batteries.
USER-IN-VIEW L.E.D. - Green light flashes
3 times, after 5 second delay, when a user 
is in view. The green light flashes constantly
when a user is in view during the 7 minute 
start up sequence.
BATTERY L.E.D. - Yellow light flashes
indicating it is time to replace the batteries .
OBJECT LOCK SENSOR - Detects user
or object.
6
Activation
7
Troubleshooting Guide
8
PROBLEM CAUSE SOLUTION TO PROBLEM
NOTE: Do not use in-tank cleaners which may damage the motor housing and other tank components.
2"2"
motor cord
motor cord
TANK TOILET WITH NOTCH
TANK TOILET WITHOUT NOTCH
clear plastic shim
6.3a 6.3b