Troubleshooting Guide

Toilet base assembly

Sealing

 

 

Grommet

 

Check Valve

 

 

SERVICE MODE

 

Bowl Seal

Toggle Switch

 

 

 

(alternate location

 

 

on some models)

 

 

 

 

Flush Ball Seal

Electric Water

 

 

Valve

 

 

 

 

Retaining Ring

Filter

 

 

Screen

 

 

 

Motor

Flush Ball

Drive Arm

 

 

Linkage

 

 

 

 

Rotor Shaft Cam

 

Flush

 

 

Spring

 

 

 

Cam Switch

 

Circuit Board

 

Problem

Possible Cause

Service Instructions

 

 

 

1. Water does not enter bowl

a. Toilet fuse is blown or circuit

a. Check toilet fuse or circuit

and toilet does not flush.

breaker is tripped.

breaker.

 

b. Loose wiring connections.

b. Check for loose or defective

 

 

 

wiring at circuit board pins 9

 

 

 

and 10.

 

c. Incorrect wiring of toilet to

c. Check for reverse polarity of

 

incoming power.

incoming power.

 

d. Defective circuit board.

d. Replace circuit board.

 

 

 

2. Water enters toilet bowl, but

a. Electrical failure from flush switch

a. Check for loose or defective

toilet does not flush.

to toilet.

 

wiring between flush switch

 

 

 

and circuit board pins 2 and 4.

 

b. Flush switch may be defective.

b. Replace if necessary.

 

c. Loose flush ball

motor wires.

c. Check for loose wires between

 

 

 

motor and circuit board pins 17

 

 

 

and 18.

 

d. Defective flush

ball motor.

d. Replace if necessary.

 

e. Flush ball motor drive arm failure.

e. See page 15 for replacement

 

 

 

instructions.

 

f. Drive linkage failure.

f. See page 15 for replacement

 

 

 

instructions.

 

g. 4800L & 4800WL series require

g. Check for loose or defective

 

“OK to Flush” light to be lit for

wires between vacuum switch

 

toilet to flush.

 

on vacuum generator and pin 6

 

 

 

of circuit board.

 

 

 

 

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Dometic 4848, 4809, 4806 specifications Troubleshooting Guide, Toilet base assembly
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4806, 4809, 4848 specifications

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In summary, the Dometic 4806, 4848, and 4809 air conditioners each offer unique features and technologies tailored to enhance comfort and convenience for RV owners. With their emphasis on energy efficiency, quiet operation, and user-friendly controls, these models are essential components for anyone looking to enjoy a cool and comfortable environment while on the road.
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