14. Troubleshooting Procedures
This troubleshooting guide is for general aid only. A Kohler Authorized Service Representative or qualified
electrician should correct all electrical problems. For warranty service, contact your dealer or wholesale distributor.
Troubleshooting the Whirlpool System
Symptoms
1. Whirlpool does not
p
start/stop
start/stop.
2. Motor starts, all jets
are not functioning.
g
3. Whirlpool stops
p
p
automatically
automatically
before 18 minutes.
before 18 minutes.
4. Whirlpool does not
automatically stop
after 22 minutes.
5. Pump does not
prime.
6. Noisy operation.
7. Little or poor water
flow from dual fill
flow from dual fill
ports. (K 1360)
8. Little or poor water
p
flow from Waterfall
flow from Waterfall.
Continued on Next Page
A
1012489-2-
Probable Causes
A. No power to pump motor.
B. Jets are blocked.
C. Switch disconnected from motor.
D. Switch does not work.
E. Pump circuit board does not work.
F. Motor/pump assembly does not
work.
G. Auxiliary control does not work.
A. Jet is closed.
B. Jet not installed correctly.
C. Butterfly valve does not work.
D. Auxiliary control does not work.
A. GFCI trips.
B. Suction blocked.
C. Jets are blocked.
D. Motor overheated and protection
device activated.
E. Pump circuit board does not work.
A. Pump circuit board does not work.
A. Pump shimmed too high.
A. Pump banding straps have not been
cut.
B. Dislodged jet O ring.
A. Water supply lines blocked.
B. Transfer valve not fully open.
A. Suction or harness blocked.
B. Variable flow valve does not work.
C. Pump circuit board does not work
Recommended Action
A. Set/Reset GFCI breaker; check wiring.
B. Remove blockage.
C. Reconnect wire at switch or pump.
D. Replace switch.
E. Replace pump circuit board.
F. Rebuild or replace motor and pump
assembly.
G. Replace auxiliary control.
A. Rotate jet trim ring counterclockwise to
open.
B. Reinstall jet; check for O ring damage.
C. Replace butterfly valve.
D. Replace auxiliary control.
A. Identify source of fault, and correct.
B. Remove obstruction.
C. Remove blockage.
D. Check for blockage at motor vents.
Remove blockage and allow motor to
cool.
Check for suction blockage. Remove
blockage and allow motor to cool.
Check for jet blockage. Remove blockage
and allow motor to cool.
E. Replace pump circuit board.
A. Replace pump circuit board.
A. Lower pump base to subfloor level.
A. Cut pump banding straps with tin snips.
B. Remove jet, replace and lubricate O ring,
and reinstall jet.
A. Remove blockage.
B. Rotate transfer valve handle.
A. Remove blockage.
B. Replace variable flow valve.
C. Replace pump circuit board.
14
Kohler Co.