Troubleshooting MasterFlush7640
16
8 Troubleshooting
9 Disposal
1. Place the packaging material in the appropriate recycling waste bins
wherever possible.
M
If you wish to finally dispose of the product, ask your local recycling
centre or specialist dealer for details about how to do this in
accordance with the applicable disposal regulations.
Problem Possible cause Suggested remedy
Flush cycle operates
correctly but water in the
bowl empties slowly or not
at all.
Discharge piping is
pinched or kinked.
Check discharge piping.
The macerator pump or
discharge piping is
blocked.
Clear blockage.
Macerator pump makes
unusually loud noise or
continually trips breaker.
Foreign material in pump
chamber.
Clear foreign material
from pump chamber.
Flush cycle is not
activated after pressing
flush pedal.
Electrical power to toilet is
shut off or disrupted.
Check wiring and circuit
breakers (or fuses).
Flush pedal is malfunc-
tioning.
Replace switch in flush
pedal.
Circuit board is malfunc-
tioning.
Replace circuit board.
Holding tank is full and
signal from tank has shut
down electrical power to
toilet (if tank level monitor
system is installed).
Empty holding tank.
Insufficient or no water
enters the toilet bowl.
Water supply line is
pinched or kinked.
Check water supply line.
Screen in water valve is
blocked.
Clear blockage at water
valve.
Water valve is malfunc-
tioning.
Replace water valve.
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