Installation Guide

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