Kohler K-1388 Installation Manual page 17

Troubleshooting Procedures (cont.)
Symptoms
14. Keypad does not respond
when neckjet mode is selected.
15. Pump operates but neckjets do
not turn on. Indicator bar on
user keypad is flashing.
16. Pump operates but neckjets do
not turn on. Indicator bar on
user keypad is NOT flashing.
17. Water flows from neckjets, but
neckjets do not pulse.
Troubleshooting the Backjet System
Symptoms
18. Backjets do not operate.
19. Backjets do not pulse.
Troubleshooting the Effervescence Jets
Symptoms
20. Effervescence ports do not
work.
Kohler Co.
Probable Causes
A. User keypad does not work.
A. Pillow is not installed.
B. Reed switch does not work.
C. Wiring harness from neckjet to
control is loose, disconnected
or damaged.
A. Neckjet line is blocked.
B. Wiring harness from neckjet to
control is loose, disconnected
or damaged.
C. Butterfly valve does not work.
D. Control does not work.
A. Wiring harness from neckjet
pulse cannister to control is
loose, disconnected or
damaged.
B. Pulse cannister does not work.
C. Control does not work.
Probable Causes
A. Whirlpool pump is not
operating.
B. Backjet butterfly valve does not
open.
C. Not enough water in
whirlpool.
D. Actuator switch does not work. D. Replace actuator switch.
E. Power from pump motor to
control is off.
F. Backjet pipe is blocked.
G. Switch wire from switch to
control is disconnected.
A. Pulse cannister does not work.
B. Switch does not work.
C. Switch wire from switch to
control is disconnected.
Probable Causes
A. Whirlpool pump is not
operating.
17
Recommended Action
A. Replace user keypad.
A. Make sure the pillow is
properly attached to the neckjet
body.
B. Check reed switch wiring and
replace if necessary.
C. Check wiring for proper
connections. Replace wiring
harness if necessary.
A. Disconnect neckjet hoses and
remove blockage.
B. Check wiring for proper
connections. Replace wiring
harness if necessary.
C. Replace butterfly valve.
D. Replace control.
A. Check wiring for proper
connections. Replace wiring
harness if necessary.
B. Replace pulse cannister.
C. Replace control.
Recommended Action
A. Turn on pump.
B. Check for loose connections or
wires leading from backjet
pulse cannister to control.
Replace backjet pulse canister
or control if necessary.
C. Fill whirlpool so water level
sensors are covered.
E. Check for loose connections or
wires leading from pump
motor to control.
F. Remove blockage.
G. Reconnect or replace switch
wires that use modular plug.
A. Check for loose connections or
wires leading from pulse
cannister to control. Replace
pulse canister or control if
necessary.
B. Replace switch.
C. Reconnect or replace switch
wires that use modular plug.
Recommended Action
A. Turn on pump.
1022365-2-B