Kohler K-10956 Maintenance Manual page 21

Troubleshooting (cont.)
Symptom Probable
Cause
2. Low flow. A. Supply
stop not
fully open.
B. Supply
stop not
allowing
enough
flow.
C. Supply
pressure is
low.
3. Constant A. Filter is
flow. plugged.
B. Diaphragm
seal is
dirty or
damaged.
C. Solenoid
not
working.
Kohler Co.
Recommended Action
• Remove the cover on the end
of the supply stop.
• Turn the supply stop screw
counterclockwise until it is in
the fully open position.
• Replace the cover.
• Remove the cover on end of
the supply stop.
• While testing the flush, adjust
the supply stop screw
counterclockwise until
adequate flow is achieved.
• Replace the cover.
• Check any filtration systems for
blockage.
• Measure the incoming water
pressure. Minimum pressure
should be 20 psi (1.4 bar).
• Follow the directions of "Clean
the Screen/Replace the Piston"
section in this guide.
• Follow the directions of
"Clean/Replace the
Diaphragm" section in this
guide.
• NOTE: Take care to replace the
diaphragm in its seat before
installing it into the valve body.
• If the diaphragm is cut or torn,
order a new diaphragm
assembly.
• Order and install a new
solenoid assembly.
• Follow the directions of
"Remove the Solenoid" and
"Install the Solenoid" sections
in this guide.
21 1058866-5-D