01/27/2015
Sailfish 275 DC Owner’s Manual | sailfishboats.com
29
Type III MSD Waste Management System
PROBLEM
CAUSE
ACTION / SOLUTION
Toilet does not flush or performance is
poor
Waste tank is full
Empty waste tank before continuing to use toilet.
Clog at pump inlet
Clear clog. DO NOT flush foreigh objects.
Solid object in macerator
DISABLE power. Attempt to remove object. if unsuccessful,
contact Thetford Tecma Servcie (1-800-521-3032). DO NOT
flush foreign objects.
Low Voltage
Check that toilet supply voltage is 12V+/-2V (24V+/-2V) AND
that there is no more than a 10% decrease in voltage when
macerator is running. If voltage decreases more than this,
there may be a wiring problem in the boat.
Water does not enter bowl during flush
or water add cycle
Water supply line kinked or not connected Check that supply line is properly connected to fresh water
supply. Check for kinks in the supply line.
No power to water pump
Check that fuse/circuit breaker has not tripped. Ensure all
electrical connectors to water pump are fully mated.
Water supply has been turned off
Open water supply valves or reconnect power to supply pump.
Solenoid not plugged into relay module
(where applicable).
Ensure wiring harness to solenoid is fully connected.
Water continues dripping briefly into
bowl after flush cycle is complete
Toilet is installed below the water line with
vented loop in water supply line
Normal operation – if only a small amount of water drips from
the nozzle.
Bowl drains dry after flush
Water is siphoning out of bowl due to
discharge hose pulled down.
Discharge hose from macerator pump is
pulled down. Straighten hose so that top of
discharge hose is in line with toilet nozzle
Note: This Troubleshooting guide is intended to provide a basic service aid in the case of incorrect toilet operation. If the suggested actions above do
not resolve the issue, it may be necessary to bring unit in for professional service. Thetford Customer Service – 1-800-521-3032.
!
