Kohler K-856-M Homeowner's Manual page 14

Troubleshooting Procedures (cont.)
Troubleshooting the Whirlpool System
Symptoms
17. Water flows from neckjets,
but neckjets do not pulse.
18. Backjets do not operate.
19. Backjets do not pulse.
20. Effervescence ports do not
work.
21. Effervescence ports do not
bubble.
22. Chromatherapy lights do
not work.
1023274-5-B
Probable Causes
A. Wiring harness from
neckjet pulse canister to
control is loose,
disconnected or damaged.
B. Pulse canister does not
work.
C. Control is not working.
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.
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 canister does not
work.
B. Switch does not work.
C. Switch wire from switch to
control is disconnected.
A. Whirlpool pump is not
working.
B. Butterfly valve is not
working.
C. Pump does not work.
D. Control does not work.
A. Air intake on suction line
is blocked.
B. Water flow is too low.
A. Loose, disconnected or
damaged
wiring/connections.
B. Control does not work.
14
Recommended Action
A. Check wiring for proper connections.
Replace wiring harness if necessary.
Refer to installer/dealer.
B. Replace pulse canister. Refer to
installer/dealer.
C. Replace control. Refer to
installer/dealer.
A. Turn on pump.
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. Fill whirlpool so water level sensors
are covered.
D. Replace actuator switch. Refer to
installer/dealer.
E. Check for loose connections or wires
leading from pump motor to control.
Refer to installer/dealer.
F. Remove obstruction.
G. Reconnect or replace switch wires that
use modular plug. Refer to
installer/dealer.
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. Replace switch. Refer to
installer/dealer.
C. Reconnect or replace switch wires that
use modular plug. Refer to
installer/dealer.
A. Turn on pump.
B. Replace butterfly valve. Refer to
installer/dealer.
C. Refer to the Service Manual to
troubleshoot the system. Refer to
installer/dealer.
D. Replace control. Refer to
installer/dealer.
A. Remove blockage.
B. Increase water flow.
A. Check wiring for proper connections.
Replace wiring if necessary. Refer to
installer/dealer.
B. Replace control. Refer to
installer/dealer.
Kohler Co.