10
Dometic MasterFlush Toilet Troubleshooting / Customer Service
9 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. The macerator pump or
discharge piping is blocked.
a. Check discharge piping.
b. Clear blockage.
2. Macerator pump makes
unusually loud noise or
continually trips breaker.
a. Foreign material in pump
chamber.
a. Clear foreign material from pump
chamber.
3. Flush cycle is not activated after
pressing ush pedal.
a. Electrical power to toilet is
shut off or disrupted.
b. Flush pedal is malfunctioning.
c. Circuit board is malfunctioning.
d. Holding tank is full and signal
from tank has shut down
electrical power to toilet
(if tank level monitor system
is installed).
a. Check wiring and circuit
breakers (or fuses).
b. Replace switch in ush pedal.
c. Replace circuit board.
d. Empty holding tank.
4. Insufcient or no water enters
the toilet bowl.
a. Water supply line is pinched or
kinked.
b. Screen in water valve is blocked.
c. Water valve is malfunctioning.
a. Check water supply line.
b. Clear blockage at water valve.
c. Replace water valve.
10 Customer service
10.1 Toilet model identification
The toilet model identication label is located on the back of the
toilet bowl under the base cover. Please have this information
ready if contacting Dometic for customer service.
10.2 Contact information
There is a strong, worldwide network to assist in servicing and
maintaining your toilet system. For the Authorized Service Center
near you, please call from 8:00 a.m. to 5:00 p.m. (ET)
Monday through Friday.
You may also contact or have your local dealer contact the Parts
Distributor nearest you for quick response to your replacement parts
needs. They carry a complete inventory for the Dometic product line.
Telephone: 1 800-321-9886 U.S.A. and Canada
330-439-5550 International
Fax: 330-496-3097 U.S.A. and Canada
330-439-5567 International
Web site: http://www.Dometic.com