Dometic 4300 Manuel D'utilisation page 10

Troubleshooting
Operational Issue
The flush ball does not
close completely.
A squeaky noise occurs
when the flush ball is
opening.
Water will not stay in
the bowl and leaks
down through the flush
ball seal.
The toilet flushes in
both the "Add Water"
and the "Flush" switch
positions.
Water will not enter the
toilet bowl during the
"Flush" cycle.
Water is leaking from
the toilet onto the floor.
10
Possible Cause
A component adjustment
is required or there is a
defective component.
Lubrication of the
component(s) is required.
There is an incomplete seal
between the flush ball and
the rubber seal.
There is a defective electrical
component.
There is a defective electrical
component or the water may
be turned off.
There is a loose connection
or a defective component.
• Check the cam switch for adjustment. Refer to section "7.1 Aligning the
Cam Switch/Flush Ball" on page 11.
• Check for a defective cam switch. Replace if necessary.
• Check that the rotor shaft cam is not loose or defective. If defective,
replace the rotor shaft cam. Refer to section "7.6 Replacing the Rotor
Shaft Cam" on page 13.
• Check for worn drive linkage. Replace if necessary. Refer to section "7.8
Replacing the Drive Linkage" on page 13.
• Check the drive arm/drive linkage joint. Apply lubrication using silicone
grease, if necessary.
• Check if the flush ball and seal needs lubrication. Use silicone spray if
necessary.
• Check the cam switch for adjustment. Refer to section "7.1 Aligning the
Cam Switch/Flush Ball" on page 11.
• Check if the mounting bolts that hold the base assembly to the ceramic
toilet needs tightening. Tighten to 20–25 in-lb (2.3–2.8 Nm) of torque.
Notice: Excessive tightening of the bolts can damage the toilet.
• Check to see if the flush ball seal is worn and needs replacement. Refer
to section "7.3 Replacing the Flush Ball Seal" on page 12.
• Check for a defective flush ball. Replace if necessary. Refer to section
"7.4 Replacing the Flush Ball" on page 12.
• For 4300 and 4400 series: check for a defective diode D2 on terminal
block pins 1 and 2. Replace if necessary.
• For 4300 and 4400 series: check for a defective diode D2 on terminal
block pins 1 and 2. Replace if necessary.
• Confirm the water is turned on and the water valve is open. Turn the
water on, and open the water valve, if applicable.
• Check for a loose water line connection. Tighten the connection, if
necessary.
• Check for a loose or defective vacuum breaker. Replace if necessary.
• Check for a defective water valve. Replace if necessary.
• Check for a defective ball seal.
• Check if the mounting bolts that hold the base assembly to the ceramic
toilet needs tightening. Tighten to 20–25 in-lb (2.3–2.8 Nm) of torque.
Notice: Excessive tightening of the bolts can damage the toilet.
Full Ceramic Gravity Discharge Toilet
Remedy
EN