Troubleshooting Procedures (cont.)
Symptoms
Probable Causes
Recommended Action
C.
Motor/pump does not work.
C.
Replace motor/pump.
D.
Control does not work.
D.
Replace control.
7.
Pump stops before 18
minutes.
A.
GFCI or ELCB tripped.
A.
Identify source of fault and correct.
Reset GFCI or ELCB.
B.
Suction is blocked
B.
Remove obstruction.
C.
Jets are blocked.
C.
Remove blockage.
D.
Motor overheated and
protection device activated.
D.
Check for blockage at suction
and/or jets. Remove blockage and
allow motor to cool.
8.
Pump does not
automatically stop after 22
minutes.
A.
20-minute timer inadvertently
disabled.
A.
See service manual.
9.
Pump will not turn off
when the power button
on the user keypad is
pressed.
A.
User keypad does not work.
A.
Replace user keypad.
B.
Control does not work.
B.
Replace control.
10.
Pump operates but
variable speed feature
does not work.
A.
Motor/pump does not work.
A.
Replace motor/pump.
B.
Control does not work.
B.
Replace control.
11.
Bath water cools while
pump is operating.
A.
Water temperature above 104°F
(40°C).
A.
Allow bath water to cool..
B.
Heater is turned off on user
keypad.
B.
Turn heater on.
C.
Wiring from heater to control is
loose, disconnected, or
damaged.
C.
Check wiring for proper
connections.
D.
Heater does not work.
D.
Replace heater.
E.
Control does not work.
E.
Replace control.
12.
Noisy operation.
A.
Pump banding straps have not
been cut.
A.
Cut pump banding straps with tin
snips.
B.
Dry or dislodged jet O-ring
(squeal).
B.
Remove jet, replace and lubricate
O-ring, then reinstall jet.
13.
Remote control does not
work or operates both
pumps.
A.
Batteries improperly installed or
dead.
A.
Replace batteries.
B.
Antenna on wiring harness is
damaged.
B.
Replace wiring harness.
C.
Remote control not
programmed correctly.
C.
See homeowners guide or service
manual.
D.
Remote control does not work.
D.
Replace remote control.
E.
Control does not work.
E.
Replace control.
14.
Lights near whirlpool
floor do not illuminate.
A.
Wiring damage.
A.
Check for loose or damaged wires.
Repair or replace as needed.
Troubleshooting the Backjet System
Symptoms
Probable Causes
Recommended Action
15.
Backjets do not operate.
A.
Whirlpool pump is not
operating.
A.
Turn on pump.
Kohler Co.
17
1042760-2-C