2
Problem
Possible Cause
Service instructions
TroubleShooTinG GuiDe (cont’d)
3. Water does not enter toilet
bowl, but toilet flushes.
4. Water does not enter toilet in
“Add Water” switch position.
5. Water does not shut off and
toilet bowl overflows.
6. Flush ball cycles constantly
between open and closed
positions.
7. Flush ball opens slowly.
8. Flush switch must be held in
FLUSH position to close flush
ball.
9. Flush ball does not close
completely.
10. Flush ball does not open
completely.
11. Squeaky noise occurs during
flush cycle.
12. Water does not stay in toilet
bowl (leaks between flush ball
and seal).
a. Blocked water supply.
b. Loose or defective wiring.
c. Defective water valve.
d. Defective diode D1 between
terminal block pins 1 and 2.
a. Electrical failure.
b. Defective flush switch.
a. Debris inside water valve or
defective water valve.
a. Electrical short circuit.
b. Cam switch needs adjustment to
align flush ball.
c. Defective cam switch.
d. Defective drive linkage.
a. Excessive drag between flush ball
and seal.
b. Defective spring assembly.
a. Loose or defective wiring.
b. Defective cam switch.
a. Cam switch needs adjustment/
flush ball alignment or replacement.
b. Rotor cam shaft loose or
defective.
a. Rotor cam shaft is loose or
defective.
b. Weak or defective spring
assembly.
c. Excessive drag between flush
ball and seal.
a. Lubrication needed between flush
ball and seal.
b. Lubrication needed drive arm/
linkage joint.
a. Flush ball seal is worn and needs
replaced.
b. Flush ball is scratched or worn
and needs replaced.
c. Cam switch/flush ball alignment
needs adjustment.
d. Bolts that hold base to toilet need
tightened to 20-25 in.-lbs.
a. Clear blockage in water line or
filter screen at water valve inlet.
b. Check wiring between water
valve and terminal block pins 1
and 0.
c. Replace if necessary.
d. Replace diode.
a. Check for loose or defective
wiring between flush switch and
terminal block pins 1 and 4.
b. Replace if necessary.
a. Replace water valve.
a. Check wiring between flush
switch and terminal block pins
2 and 4.
b. See page 14 for cam switch
adjustment/flush ball alignment.
c. Replace cam switch. See page
15 for replacement details.
d. Replace drive linkage. See
page 15 for details.
a. Clean surface of flush ball and
under edge of seal. Lubricate
with alcohol-free cooking spray.
b. Replace spring.
a. Check wiring between cam
switch and terminal block pins
and 4.
b. Replace cam switch. See page
5 for details.
a. See adjustment/alignment or
replacement details on page 14.
b. See replacement instructions
on page 15.
a. See instructions for repair or
replacement on page 15.
b. Replace spring.
c. Clean surface of flush ball and
under edge of seal. Lubricate
with alcohol-free cooking spray.
a. Lubricate with alcohol-free
cooking spray.
b. Lubricate joint with silicone
grease.
a. See instructions on page 15 for
replacement.
b. See instructions on page 15 for
replacement.
c. See instructions on page 14 for
adjustment.
d. DO NOT OVERTIGHTEN or
damage to toilet may occur.
