11 7.8 troubleshooting guide – SeaLand 4700 Series VacuFlush Operation Manual User Manual
Page 11

11
7.8
Troubleshooting guide
Toilet base assembly
Electric
flush
handle
Vacuum
Breaker
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
Caution
Use an ohmmeter and wiring diagrams of toilet and vacuum system when troubleshooting
electrical problems .
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 on toilet .
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 8 and 9 .
c . Check for reverse polarity of in-
coming power at circuit board –
pin 8 (positive) and 9 (negative) .
d . Replace circuit board on toilet .
SeaLand 4700 Series VacuFlush Toilet
Maintenance/winterizing/service