Kohler K-1388 Installation Manual page 16

Troubleshooting Procedures (cont.)
Symptoms
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.
12. Noisy operation.
13. Remote control (if equipped)
does not work.
Troubleshooting the Neckjet System
1022365-2-B
Probable Causes
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 ELCB 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).
B. Heater is turned off on user
keypad.
C. Wiring from heater to control is
loose, disconnected or
damaged.
D. Heater does not work.
E. Control does not work.
A. Pump banding straps have not
been cut.
B. Dry or dislodged jet O-ring
(squeal).
A. Batteries improperly installed
or dead.
B. Antenna on wiring harness is
damaged.
C. Remote control not
programmed correctly.
D. Remote control does not work.
E. Control does not work.
16
Recommended Action
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 ELCB.
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.
B. Turn heater on.
C. Check wiring for proper
connections.
D. Replace heater.
E. Replace control.
A. Cut pump banding straps with
tin snips.
B. Remove jet, replace and
lubricate O-ring, and reinstall
jet.
A. Replace batteries.
B. Replace wiring harness.
C. See homeowners guide or
service manual.
D. Replace remote control.
E. Replace control.
Kohler Co.