Dometic 8900 Series User Manual

10
8 Troubleshooting
Problem Possible Cause Service Instruction
1. Flush cycle operates correctly
but water in the bowl empties
slowly or not at all.
a. Discharge piping is pinched or
kinked.
b. Discharge piping is too high.
(Remember, all upward vertical
loops and should not exceed a
total of 9.8 feet (3 m) in height.)
c. The macerator pump or
discharge piping is blocked.
a. Check discharge piping.
b. Reroute discharge piping.
c. Close seacocks and clear
blockage.
2. Macerator pump makes
unusually loud noise or
continually trips breaker.
a. Foreign material in pump
chamber.
a. Close seacocks and clear foreign
material.
3. Flush cycle is not activated after
pushing on ush switch.
a. Holding tank is full and signal
from tank has shut down
electrical power to toilet.
b. Electrical power to toilet is shut
off or disrupted.
c. Flush switch is malfunctioning.
d. Circuit board in control module is
malfunctioning.
a. Empty holding tank.
b. Check wiring and circuit
breakers (or fuses).
c. Replace ush switch.
d. Replace control module.
4. Insufcient or no water enters
the bowl.
a. Water supply line is pinched or
kinked.
b. Screen in water valve is blocked.
c. Intake water lters are blocked
(in raw water system).
d. Water valve is malfunctioning.
a. Check water supply line.
b. Clear blockage at water valve.
c. Clear water lters.
d. Replace water valve.
5. Insufcient water ow during
bidet operation.
a. Clogged inlet screen at hot or
cold connection at toilet/bidet
mixer valve.
b. Clogged aerator in bidet nozzle
inside toilet bowl.
c. Toilet/bidet mixer valve assembly
is not functioning properly.
a. Disconnect water lines from
mixer valve and clean screens.
b. Unthread aerator nozzle and
clean.
c. Replace mixer valve assembly.
Troubleshooting SeaLand MasterFlush Toilet

Dometic 8900 Series Specifications

General

Brand	Dometic
Model	8900 Series
Category	Plumbing Product
Language	English