8 troubleshooting guide – SeaLand 4800 Series VacuFlush User Manual
Page 11

11
SeaLand VacuFlush Toilet
Maintenance/Winterizing/Service
Note
Use nontoxic antifreeze designated for potable water systems. (See boat or vehicle
owner’s manual.)
Caution
Never use automotive-type antifreeze in freshwater systems .
7.8
Troubleshooting guide
Problem
Possible Cause
Service Instruction
1 . Water does not enter bowl
and toilet does not flush.
a. Toilet fuse or circuit breaker is
tripped .
b. Loose wire connections.
c . Incorrect wiring of toilet to
incoming power .
d. Defective circuit board.
a. To check toilet fuse, turn off
electrical power to toilet, wait
60 seconds, then turn on power
to toilet. Check circuit breaker at
main distribution panel .
b. Check for loose or defective wire
at circuit board pins 9 and 10.
c. Check for reverse polarity of
incoming power .
d. Replace circuit board.
Toilet base assembly
Sealing
Grommet
Check Valve
Electric Water
Valve
Filter
Screen
Drive Arm
Linkage
Flush
Spring
Circuit Board
Cam Switch
Rotor Shaft Cam
Flush Ball
Retaining Ring
Flush Ball Seal
Bowl Seal
Motor
SERVICE MODE
Toggle Switch
(alternate location
on some models)