Troubleshooting (cont.)
Symptoms
Probable Causes
Recommended Action
1.
User keypad does not
illuminate when power
button is pressed or outer
ring is rotated.
A.
No power to control.
A.
Check wiring and connect power. If
problem persists, Refer to the
installer/dealer.
B.
GFCI or RCD tripped.
B.
Reset GFCI or RCD.
C.
Wiring harness from user
keypad to control is loose,
disconnected, or damaged.
C.
Check wiring for proper
connections. Replace wiring
harness if necessary. Refer to the
installer/dealer.
D.
User keypad does not work.
D.
Replace user keypad. Refer to the
installer/dealer.
E.
Control does not work.
E.
Replace control. Refer to the
installer/dealer.
2.
Motor starts, but all jets
are not functioning.
A.
Jet is closed.
A.
Rotate jet trim counterclockwise to
open.
B.
Jet not installed correctly.
B.
Reinstall jet; check for O-ring
damage.
C.
Jets are blocked.
C.
Remove blockage.
3.
User keypad is
illuminated, but does not
respond to buttons or
outer ring.
A.
Control program is locked.
A.
Reset GFCI or RCD.
B.
Wiring harness from user
keypad to control is loose,
disconnected, or damaged.
B.
Check wiring for proper
connections. Replace wiring
harness if necessary. Refer to the
installer/dealer.
C.
User keypad does not work.
C.
Replace user keypad. Refer to the
installer/dealer.
D.
Control does not work.
D.
Replace control. Refer to the
installer/dealer.
4.
User keypad indicator bar
keeps scanning at
power-up.
A.
Control program is locked.
A.
Reset GFCI or RCD.
B.
Wiring harness from user
keypad to control is loose,
disconnected, or damaged.
B.
Check wiring for proper
connections. Replace wiring
harness if necessary. Refer to the
installer/dealer.
C.
User keypad does not work.
C.
Replace user keypad. Refer to the
installer/dealer.
D.
Control does not work.
D.
Replace control. Refer to the
installer/dealer.
5.
User keypad is
illuminated, but pump
will not start.
A.
Power cord from pump to
control is loose, disconnected, or
damaged.
A.
Check wiring for proper
connections. If problem persists,
Refer to the installer/dealer.
B.
Pump does not work.
B.
Replace pump. Refer to the
installer/dealer.
C.
Control does not work.
C.
Replace control. Refer to the
installer/dealer.
6.
Motor runs but pump will
not prime (cavitates).
A.
Motor/Pump is shimmed too
high.
A.
Lower pump/control to subfloor
level.
B.
Small air leak at pump inlet.
B.
Securely tighten nut(s) on intake
side of pump.
C.
Motor/pump does not work.
C.
Replace motor/pump. Refer to the
installer/dealer.
D.
Control does not work.
D.
Replace control. Refer to the
installer/dealer.
Kohler Co.
9
1042760-5-D