SeaLand 4800 Series VacuFlush - Manual (Page 12)

12
SeaLand VacuFlush Toilet Maintenance/Winterizing/Service
Problem Possible Cause Service Instruction
2 . Water enters toilet bowl, but
toilet does not flush.
a. “OK to Flush” light is not lit on
status panel .
b. Electrical failure from flush
switch to toilet .
c . Flush switch may be defective .
d. Loose flush ball motor wires.
e. Defective flush ball motor.
f . Flush ball motor drive arm
failure .
g. Drive linkage failure.
a. Check for loose/defective wires
between vacuum switch (on
vacuum generator) and wire 6 of
circuit board .
b. Check for loose/defective wires
between flush switch and wires
2 and 4 of circuit board .
c. Replace if necessary
d. Check wires between motor and
circuit board wires 17 and 18 .
e. Replace if necessary.
f . See page 15 for replacement
instructions .
g . See page 15 for replacement
instructions .
3 . Water does not enter toilet bowl,
but toilet flushes.
a. Blocked water supply.
b. Loose/defective wires.
c. Defective water valve.
d. Defective circuit board.
a. Clear blockage in water line or
filter screen at water valve inlet .
b. Check wires between water
valve and toilet circuit board
wires 15 and 16 .
c. Replace water valve.
d. Replace circuit board.
4 . Water does not enter toilet when
pressing “Add Water” switch.
a . Electrical failure .
b. Defective flush switch.
a. Check wires between “Add
Water” switch and circuit board
wires 1 and 4 .
b. Replace flush switch.
5 . Water does not shut off and
toilet bowl overflows.
a. Debris inside water valve or
defective water valve .
a. Replace water valve.
6 . Flush ball opens slowly . a. Excessive drag between flush
ball and seal .
b. Defective spring assembly.
c . Electrical short circuit .
d. Cam switch needs adjusted to
align flush ball.
e. Defective cam switch.
f. Defective drive linkage.
a. Clean surface of flush ball and
under edge of seal. Lubricate
with alcohol-free cooking spray.
b. Replace spring.
c. Check wires between “Flush”
switch and circuit board wires 2
and 4 .
d . See page 14 for adjustment
instructions .
e. Replace cam switch. See page
14 for instructions .
f. Replace drive linkage. See page
15 for instructions .
7 . Flush switch must be held in
“Flush” position to close flush
ball .
a . Service Mode switch is in
“Service” position.
b. Loose/defective wires.
c. Defective cam switch.
a. Return Service Mode switch to
“Normal” position.
b. Check wires between cam
switch and circuit board wires 11
and 12 .
c. Replace cam switch. See page
14 for instructions .
8 . Flush ball does not close
completely .
a. Cam switch needs adjustment/
flush ball alignment or
replacement .
b. Rotor cam shaft is loose or
defective .
a. See adjustment/alignment or
replacement details on page 14 .
b . See replacement instructions on
page 15 .