Dometic 320 ユーザーズマニュアル

10

1. Water will not stay in bowl.

a. Flush ball seal is not properly  

positioned.

b. Flush ball or seal is dirty.

c. Worn or damaged flush ball seal.

a. Press pedal to hold flush ball 

open, then lightly press down 

around edge of ball seal with 

finger to conform to flush ball.

b. Clean flush ball and seal.

c. Replace seal.

2. Odor from toilet when flush ball 

is open.

a. Plugged holding tank vent.

b. Odor from holding tank contents.

a. Clear obstruction from vent.

b. Add deodorant to holding tank.

3. Odor from toilet when flush ball 

is closed.

a. No water in bowl.

b. Damaged flush ball seal.

c. Damaged floor flange seal.

a. Add water to bowl.

b. Replace seal.

c. Replace floor seal.

4. Flush ball will not close  

completely.

a. Too much friction between flush 

ball and seal.

a. Clean and lubricate flush ball 

and seal with silicone spray or 

furniture polish.

5. Water flow into toilet will not 

stop.

a. Worn or defective water valve.

a. Replace water valve.

6. Water does not enter toilet bowl 

properly.

a. Insufficient water flow rate at 

toilet inlet.

b. Screen at water valve inlet is 

clogged.

c. Water valve is worn or damaged.

d. Plugged rim wash holes in toilet.

a. Make sure flow rate at toilet inlet 

is 3.0-5.0 gpm / 11.4-18.9 lpm 

(recommended rate).

b. Clean screen.

c. Replace water valve.

d. Clean rim wash holes.

7. Hand sprayer leaks (hand  

sprayer is not provided with  

all models).

a. Hand sprayer is defective.

a. Replace hand sprayer.

8. Water is leaking from water 

valve.

a. Water line connection is loose or 

not seated properly.

b. Water valve is damaged or 

defective.

a. Insure that threads are not 

cross-threaded and tighten  

connection.

b. Replace water valve.

9. Water is leaking from toilet base.

a. Toilet is not secure to floor.

b. Worn or defective floor flange 

seal.

a. Tighten toilet mounting bolts.

b. Replace floor flange seal.

10.  Water is leaking from rear of 

toilet.

a. Loose vacuum breaker.

b. Damaged or defective vacuum 

breaker.

c. Cracked or defective toilet bowl.

a. Make sure vacuum breaker stem 

is pushed fully into sealing  

grommet in back of bowl. 

b. Replace vacuum breaker.

c. Replace toilet.

Dometic Gravity-Flush Toilet

Troubleshooting