Kohler K-856-M, Homeowner'S Manual

Page: 14 / 68

Troubleshooting (cont.)
User Keypad and Pump
Symptoms
Probable Causes Recommended Action
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, and reinstall jet.
Backjet System
Symptoms
Probable Causes Recommended Action
1.
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
canister to control. Replace backjet
pulse canister or control if
necessary. Refer to installer/dealer.
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. Refer to
installer/dealer.
E. Power from pump motor to
control is off.
E. Check for loose connections or
wires leading from pump motor to
control. Refer to installer/dealer.
F. Backjet pipe is blocked. F. Remove obstruction.
G. Switch wire from switch to
control is disconnected.
G. Reconnect or replace switch wires
that use modular plug. Refer to
installer/dealer.
2. Backjets do not pulse. A. Pulse canister does not work. A. Check for loose connections or
wires leading from pulse canister to
control. Replace pulse canister or
control if necessary. Refer to
installer/dealer.
B. Switch does not work. B. Replace switch. Refer to
installer/dealer.
C. Switch wire from switch to
control is disconnected.
C. Reconnect or replace switch wires
that use modular plug. Refer to
installer/dealer.
Neckjet System
Symptoms
Probable Causes Recommended Action
1. Keypad does not respond
when neckjet mode is
selected.
A. User keypad does not work. A. Replace user keypad.
2. 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.
1023274-5-C 14 Kohler Co.