SeaLand 4800 Series VacuFlush - Manual (Page 12)

12
SeaLand 4800 Series 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
15 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
15 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 .