Dometic 4000 Series - Component Servicing and Replacement

13
EN
Toilets
Fault Possible cause Suggested remedy
Flush ball opens
and closes, but
waste does not
leave bowl (no
vacuum)
No electrical power to vacuum
pump
Check power wires, fuse, or circuit
breaker to the vacuum pump
“Full Tank” shut-down relay
prevents vacuum pump from
operating
Pump out the holding tank
Blockage inside bottom of toilet
base
See “4.4 Clearing blockage in toilet
base” on page 8
5.3 Servicing the toilet base components
Aligning Cam Switch/Flush Ball
10
A
(to back of toilet) (to front of toilet)
Flush Ball
B
The flush ball should be properly positioned so that the “A” and “B” distances are equal (see
illustration above). If the flush ball becomes misaligned (resulting in water leaking from bowl or
other flushing problems), follow instructions below to resolve problem.
11
Over-travel
condition
Under-travel
condition
Slide cam switch
DOWN
Slide cam switch
UP
Removing the toilet from the floor
➤ Turn off the water and the electrical power to the toilet.
➤ Remove the water inlet hose from the toilet.
➤ Remove the toilet from the floor and turn it upside-down.
I
Make sure the power wires are secure.