TROUBLESHOOTING (cont’d)

SYMPTOM 8. Water will not stay in bowl and system loses vacuum.

Condition/Procedure

Put Mode Switch in “Service” position:

Worn or damaged flush valve ball and seal:

Corrective Action

•Clean underside of flush valve ball seal of dirt and debris.

•Remove toilet from floor and remove base assembly from toilet and replace flush valve ball and seals.

SYMPTOM 9. Water will not shut off and overflows the toilet.

Procedure

Check the “WATER VALVE” status light:

Corrective Action

•If the light is on when not flushing the toilet or adding water, replace the control module. If the light responds correctly, go to next step.

•Dirt or debris lodged in the water valve seal. Remove the toilet from the floor, disassamble and clean water valve.

•Replace water valve.

SYMPTOM 10. Water is leaking from under the toilet.

Procedure

Remove the toilet from the floor and inspect the following with both water and electrical power applied:

(place a container under the base assembly to catch any water during the inspection procedure)

•Water hoses and fittings, water valve assembly

•China toilet bowl

•Upper base seal

•Flush valve ball rotor shaft shaft

•Base assembly

SYMPTOM 11. System leaks vacuum, but water remains in toilet bowl.

Procedure

Remove the toilet from the floor and insert a plug or vacuum tester into the discharge port of the floor flange or discharge adapter:

Corrective Action

•If the vacuum leaks stops, go to the next step. If the vacuum leak continues, the leak is in the discharge plumbing and not the toilet.

•Inspect the O-ring around the bottom of the base. Replace if defec- tive.

•Inspect the inside surface of the discharge adapter or floor flange for grooves or scratches that may interfere with the O-ring seal. Replace if defective.

•If all of above appear normal, then the leak is most likely the rotor shaft O-rings. Replace the rotor shaft.

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Dometic 3100, 3000 owner manual Symptom 9. Water will not shut off and overflows the toilet
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3100, 3000 specifications

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