Use and Care Guide

Troubleshooting (cont.)
Symptoms Probable Causes Recommended Action
9. Noise level from pump
has increased and/or
airjet performance has
decreased.
A. The check valve is malfunctioning. A. Tap the check valve with a
screwdriver handle. Restart the
system. If the symptoms have
ceased, the check valve does not
need to be replaced.
B. The check valve needs to be
replaced.
B. Remove the check valve from the
check valve assembly.
Reassemble the check valve
assembly without the check
valve. Restart the system. If the
system properly functions
without the check valve, the
check valve needs to be replaced.
For safety, reinstall the
malfunctioning check valve until
a replacement check valve can be
installed.
1034591-5-L 8 Kohler Co.