Dometic 4300 Series Operating, Troubleshooting And Technical Cheat Sheet

5
Symptom Possible Cause Service Instruction
10. Flush ball will not close
completely.
Component adjustment required or
defective component.
• Rotorshaftcamislooseor
defective. If defective, see
replacementinstructions,p.7.
11. Squeaky noise occurs when
ush ball is opening.
Lubrication of component(s) is
required.
• Drivearm/drivelinkagejoint
needs lubricated with silicone
grease.
• Flushballandsealneeds
lubricated with silicone spray.
12. Water will not stay in bowl
(leaks down through ush ball
seal).
Incomplete seal between
ush ball and rubber seal.
• Camswitchneedsadjustment
(see adjustment procedure for
ush ball over-travel, p. 6).
• Mountingboltsthatholdbase
assembly to ceramic toilet need
tightened. Caution:Excessive
tightening of bolts can damage
toilet.
• Flushballsealiswornand
needs replaced. See instruc-
tions, p. 6.
• Flushballiswornandneeds
replaced. See instructions,
p.7.
13. Toilet ushes in both “Add
Water” and “Flush” switch
positions.
Defective electrical
component.
• DiodeD2onterminalblockpins
1 and 2 is defective. Replace
with new diode.
14. Water will not enter toilet bowl
during “Flush” cycle.
Defective electrical
component.
• DiodeD2onterminalblockpins
1 and 2 is defective. Replace
with new diode.
15. Water is leaking from toilet
onto oor.
Loose connection or defective
component.
• Loosewaterlineconnection.
Tighten connection.
• Looseordefectivevacuum
breaker. Replace if defective.
• Defectivewatervalve.Replace
with new water valve.
• Ballsealisdefectiveandneeds
replaced.Seeinstructions,p.7.
• Mountingboltsthatholdbase
assembly to ceramic toilet need
tightened to 20-25 in.-lbs. of
torque. Caution:Excessive
tightening of bolts can damage
toilet.
Troubleshooting Dometic 4300/4400 Series Toilets
Caution - Motor starts automatically
Turn off electrical power before servicing.
Caution - Electrical system
Turn off electrical power before servicing.

Dometic 4300 Series Specifications

General

Brand	Dometic
Model	4300 Series
Category	Toilets
Language	English