Symptoms
Probable Cause
4. Low water
flow.
5. Constant
water flow.
6. Flush is too
long.
7. Water leaks
from the
vacuum
breaker
connection.
8. Water leaks
from the
valve arm.
9. Water leaks
from the
cover.
10. Water
leaks from
the handle.
11. Loose
handle.
1339618-2-B
The supply stop is not
A.
allowing sufficient flow.
Low water supply
B.
pressure.
C.
Restricted water supply.
D.
Worn or damaged piston.
A.
The solenoid is not
sealing.
B.
Clogged bleed hole.
Worn or damaged piston.
C.
A.
Flow rate is set
incorrectly.
B.
Worn or damaged piston.
A.
Dirty or damaged
vacuum breaker.
A.
Worn or damaged seal
between the valve arm
and body.
A.
Worn or damaged
solenoid.
B.
Worn or damaged piston
cover seal.
A.
Worn or damaged seals.
A.
Worn or damaged seals.
B.
Broken handle spring.
C.
Broken handle bearing.
Recommended Action
A.
Open the supply stop until proper
flow is achieved.
Confirm that water pressure and
B.
flow meet the minimum
requirements. Refer to the
"Roughing-In" section.
C.
Confirm that the supply lines meet
minimum requirements. Refer to
the "Roughing-In" section.
D.
Replace the piston.
A.
Inspect and clean the solenoid
plunger seal.
B.
Inspect and clean the piston bleed
hole.
C.
Replace the piston.
A.
Turn the control stop to adjust the
flow rate.
B.
Replace the piston.
A.
Inspect the vacuum breaker. Clean
or replace as necessary.
A.
Replace the O-ring.
A.
Inspect the solenoid. Clean or
replace as necessary.
B.
Inspect the piston cover O-ring.
Clean or replace as necessary.
A.
Replace the handle seals.
A.
Lubricate the handle seals with
silicone grease. Replace if necessary.
B.
Replace the handle assembly.
C.
Replace the handle assembly.
14
Kohler Co.