5
PROBLEM
POSSIBLE CAUSE
SOLUTION
1. Poor pumpout, especially solids. 1A.Clogged discharge line.
1A.Be sure discharge seacock is open.
1B.Plumbing restrictions, bends and ells 1B.Replumb to eliminate bends and ells.
1C.Clogged vents.
1C.Clean holding tank vent and vented loop vents
1D.Mineral buildup in hoses and fittings. 1D.Clean or replace affected parts. Replace hose if needed.
1E. Low voltage.
1E. Check voltage at toilet
while toilet is running
. If less
than nominal voltage of toilet (12, 24, or 32), check con-
dition of batteries and wire sizes. Check terminals and
wire connections for corrosion (heat at terminals and junc-
tions indicates a bad or corroded connection).
1F. Discharge pump (#CH120) wall not
1F.Reposition pump wall behind macerating teeth cast in
intact.
housing cavity. Replace if necessary.
2. Poor water flow, especially
2A.Toilet not level.
2A.Raise rear of toilet; check with level.
at front of bowl (or no water
2B.Restriction in intake line.
2B.Be sure seacock is open. Clear line-remove clog.
flow).
2C.Check ball (#CH12) stuck.
2C.Remove intake hose - poke eraser end of pencil into in-
take nozzle of pump to free check ball.
2D.Pump sucking air.
2D.Check all connections from intake thru-hull to intake pump
to be sure no air leaks are present.
2E. Low voltage.
2E. See 1E, above.
2F. Intake pump impeller worn or broken 2F. Replace impeller.
loose from center bushing.
2G.Clogged strainer.
2G.Clean debris from strainer.
3.Foul odors from toilet area.
3A.“Marine life” lodged in rim of bowl.
3A.Remove and flush bowl with pressure hose to remove all
material. Install strainer in intake line to avoid recurrence.
Fill reservoir with Raritan concentrate and use regularly.
3B.Permeated discharge hose
3B.Replace hose with Raritan sanitation hose (#SH).
3C.Sewage remaining in discharge line.
3C.Flush toilet longer; replace hose if permeated; reroute hose
making a shorter run if possible.
3D.Concentrate reservoir empty.
3D.Refill with 2 oz. (59ml) Raritan Concentrate (#CON22)
and water.
4. Bowl fills while underway
4. Pressure buildup at seacocks.
4. Close intake, then discharge seacock to determine which
is causing problem. If intake, replace check ball and
spring. If discharge, be sure the vent or vented loop is
clean. If intake, there is too much pressure on seacock;
contact Raritan Technical Support.
5. Concentrate tank does not
5A.Check valve malfunctioning.
5A.Remove and rinse check valve in warm water and rein-
empty (or overflows).
stall. Should problem continue, replace check valve. See
page 7.
5B.Insufficient water flow from pump
5B.Check waterflow and correct as needed.
6. Water leaking from under unit. 6A.Leaking bowl gasket.
6A.Tighten (4) bowl mounting nuts (#1226B).
(CH15DD).
6B.Leaking front cover.
6B.Remov front cover (#CH18) and inspect “O”ring(#CH25)
for damage. Replace “O” ring if necessary using Super
Lube (#SL) to reassemble.
6C.Leak at shaft seal.
6C.Check #CH59 seal and motor shaft.
7. Loud noises from unit.
7A.Object jammed in macerator.
7A.Remove front cover and remove object.
7B.Motor bearings damaged by
7B.Return motor to factory for servicing or replacement.
seal leak or other water source.
8. Erratic operation/sluggish
8A.Worn motor brushes.
8A.Return motor to factory for servicing or replacement.
running.
8B.Motor bearings damaged by seal leak 8B.Return motor to factory for servicing or replace macera-
tor seal. If bearings are bad, exchange lower base.
8C.Low or inconsistent voltage
8C.See 1E above.
TROUBLESHOOTING
WARNING: HAZARD OF ELECTRIC SHOCK - Before beginning any work on the Crown Head, be sure that all
power to the unit has been turned off and that the seacocks are in the CLOSED or OFF position.
NOTE:
The following information reflects the most probable causes and solutions to problems although not
every possible cause and solution is provided.
Any questions regarding servicing or operation of the Crown Head should be directed to our Technical Support Department
in Millville, NJ or Ft. Lauderdale, FL. Please have model and serial number available before calling.
