Cassette toilet for recreation vehicles (29 pages)
Summary of Contents for Dometic 4300 Series
Page 1
TROUBLESHOOTING TECHNICAL BASE SERVICE 4300/4400 SERIES TOILETS 4300 series 4400 series...
Page 2
Dometic 4300/4400 Series Toilets Troubleshooting Troubleshooting guide Toilet base components (fig. Ref. Description Flush handle (4300 series) Flush switch (4400 series) Hand sprayer (optional – not on all models) Vacuum breaker Bowl and flush ball seals Seal plate Flush ball...
Page 3
Troubleshooting Dometic 4300/4400 Series Toilets Wiring diagram Troubleshooting information Symptom Possible Cause Service Instruction 1. Toilet will not flush and water will Fuse blown or circuit breaker is • Check toilet fuse or circuit not enter toilet bowl. tripped. breaker at DC distribution panel.
Page 4
Dometic 4300/4400 Series Toilets Troubleshooting Symptom Possible Cause Service Instruction 3. Water will not enter toilet bowl, Blocked water supply or electrical • Blockage in water line to toilet. but toilet flushes. failure. Remove line and clear. • Filter screen at water valve inlet is clogged with debris. Remove water line and clear debris.
Page 5
Troubleshooting Dometic 4300/4400 Series Toilets Symptom Possible Cause Service Instruction 10. Flush ball will not close Component adjustment required or • Rotor shaft cam is loose or completely. defective component. defective. If defective, see replacement instructions, p. 7. 11. Squeaky noise occurs when Lubrication of component(s) is • Drive arm/drive linkage joint flush ball is opening.
Page 6
Dometic 4300/4400 Series Toilets Technical toilet base service Servicing toilet base components ALIGNING CAM SWITCH/FLUSH BALL The flush ball should be properly positioned so that the “A” and “B” distances are equal (see illustration at right). If the flush ball becomes misaligned (resulting in water leaking from bowl or other flushing problems), follow instructions below to resolve problem.
Page 7
Technical toilet base service Dometic 4300/4400 Series Toilets REPLACING THE FLUSH BALL REPLACING THE MOTOR DRIVE ARM 1. Turn off water and electrical power to toilet. 1. Follow disassembly steps 1-3 under “Replacing the Flush Ball.” 2. Open the flush ball with the manual flush lever.
Need help?
Do you have a question about the 4300 Series and is the answer not in the manual?
Questions and answers