Troubleshooting Guide - Dometic SeaLand 711-M28 Owner's Manual

TroubleshooTing guide

Problem
1. Water will not stay in bowl.
2. Plastic flush ball will not
close completely.
3. Water does not shut off in
toilet (toilet overflows).
4. Water does not enter toilet
bowl properly.
5. Water leaking from water
valve.
6. Water leaking from rear of
toilet bowl.
Possible Cause
a. Loose clamp.
b. Improper seal around flush ball due
to dirt or debris on underside of
Teflon ball seal.
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c. Worn or damaged seal.
d. Worn or damaged flush ball.
a. Clamp ring is overtightened,
causing too much tension on seal
and flush ball.
b. Weak or defective spring cartridge.
a. Dirt lodged in water valve seal.
b. Cam strap is bent down, holding
water valve open.
c. Worn or defective water valve.
d. Worn or defective spring cartridge.
a. Low water pressure.
b. Water valve clogged.
a. Loose connection.
b. Worn or defective water valve.
c. Water line connection not seated
properly.
d. Stripped threads.
e. Seal worn or missing.
f. Valve body cracked.
a. Loose hose connection.
b. Loose vacuum breaker.
c. Worn or defective vacuum breaker.
d. Cracked or defective toilet bowl.
a. Tighten clamp ring adjusting nut.
b. Inspect flush ball and underside of
Teflon seal for foreign objects.
Clean if necessary.
c. Replace seal.
d. Replace flush ball.
a. Loosen clamp ring.
b. Check spring tension by letting up
on flush lever suddenly. If lever
does not snap back, replace spring
cartridge.
a. Disassemble and clean water
valve.
b. Bend front of cam strap up about
1/16" (1.6mm).
c. Replace valve assembly.
d. Replace spring cartridge.
a. Check incoming water pressure.
b. Remove and clean filter screen
located on inlet of water valve.
a. Tighten bottom cap, inlet fitting
and outlet hose clamp.
b. Replace water valve.
c. Insure that threads are not cross-
threaded and tighten.
d. Replace water valve.
e. Replace water valve.
f. Replace water valve.
a. Tighten hose connections.
b. Tighten vacuum breaker-to-bowl
connection.
c. Replace vacuum breaker
assembly.
d. Replace toilet bowl.

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