Dometic MasterFlush 7120 User Manual

10
8 Troubleshooting
Problem Possible Cause Service Instruction
1. Flush function works, but water
in 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 4 feet (1.2 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.
a. Empty holding tank.
b. Check wiring and circuit
breakers (or fuses).
c.Replaceushswitch.
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.
Dometic MasterFlush Series Toilet / ORBIT Base

Dometic MasterFlush 7120 Specifications

General

Brand	Dometic
Model	MasterFlush 7120
Category	Plumbing Product
Language	English