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Troubleshooting (cont.)
Symptoms
2.
Motor starts, but all jets
are not functioning.
3.
User keypad is
illuminated, but does not
respond to buttons or
outer ring.
4.
User keypad indicator bar
keeps scanning at
power-up.
5.
User keypad is
illuminated, but pump
won't start.
6.
Motor runs but pump
won't prime (cavitates).
7.
Pump stops before 18
minutes.
8. Pump does not
automatically stop after 22
minutes.
9. Pump won't turn off
when the power button
on user keypad is
pressed.
10. Pump operates but
variable speed feature
does not work.
11. Bath water cools while
pump is operating.
1022360-5-D
Probable Causes
A. Jet is closed.
B. Jet not installed correctly.
C. Jets are blocked.
A. Control program is locked.
B. Wiring harness from user
keypad to control is loose,
disconnected or damaged.
C. User keypad does not work.
D. Control does not work.
A. Control program is locked.
B. Wiring harness from user
keypad to control is loose,
disconnected or damaged.
C. User keypad does not work.
D. Control does not work.
A. Power cord from pump to
control is loose, disconnected or
damaged.
B. Pump does not work.
C. Control does not work.
A. Pump is shimmed too high.
B. Small air leak at pump inlet.
C. Motor/pump does not work.
D. Control does not work.
A. GFCI or RCD tripped.
B. Suction is blocked.
C. Jets are blocked.
D. Motor overheated and
protection device activated.
A. 20-minute timer inadvertently
disabled.
A. User keypad does not work.
B. Control does not work.
A. Motor/pump does not work.
B. Control does not work.
A. Water temperature above 104°F
(40°C).
Recommended Action
A. Rotate jet trim counterclockwise to
open.
B. Reinstall jet; check for O-ring
damage.
C. Remove blockage.
A. Reset GFCI or RCD.
B. Check wiring for proper
connections. Replace wiring
harness if necessary.
C. Replace user keypad.
D. Replace control.
A. Reset GFCI or RCD.
B. Check wiring for proper
connections. Replace wiring
harness if necessary.
C. Replace user keypad.
D. Replace control.
A. Check wiring for proper
connections.
B. Replace pump.
C. Replace control.
A. Lower pump/control to subfloor
level.
B. Securely tighten nut(s) on intake
side of pump.
C. Replace motor/pump.
D. Replace control.
A. Identify source of fault, and correct.
Reset GFCI or RCD.
B. Remove obstruction.
C. Remove blockage.
D. Check for blockage at suction
and/or jets. Remove blockage and
allow motor to cool.
A. See service manual.
A. Replace user keypad.
B. Replace control.
A. Replace motor/pump.
B. Replace control.
A. Allow bath water to cool.
8
Kohler Co.
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