Kohler К-1643 Installation Manual page 11

Troubleshooting Table
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.
Symptoms
1. Whirlpool does not p
start/stop. start/stop
2. Motor starts, all jets j
are not functioning are not functioning.
3. Whirlpool stops p p
automatically before automatically before
18 minutes. 18 minutes.
4. Pump does not prime.
(Models with wooden
support blocks only.)
5. Noisy operation.
6. Heater does not
operate operate.
Kohler Co.
Probable Causes
A. No power to motor.
B. Air actuator does not work.
C. Air actuator tubing is disconnected, loose,
kinked, plugged, or damaged.
D. Motor/pump does not work.
A. Jet is closed.
B. Jet not installed correctly.
C. Jets are blocked.
A. GFCI trips.
B. Suction blocked.
C. Jets are blocked.
D. Motor overheated and protection device
activated.
A. Pump shimmed too high. (Models with
wooden support blocks only.)
A. Pump banding straps have not been cut.
(Models with wooden support blocks
only.)
B. Dislodged jet O ring.
A. No power to heater.
B. Water temperature exceeds 104_F (40_C).
C. Heater does not work.
Recommended Action
A. Set/Reset GFCI breaker; check wiring.
B. Replace air actuator.
C. Connect, straighten, clean, or replace air
actuator tubing.
D. Rebuild or replace motor/pump.
A. Rotate jet trim ring counterclockwise to open.
B. Reinstall jet; check for O ring damage.
C. Remove blockage.
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.
A. Lower pump support bracket. (Models with
wooden support blocks only.)
A. Cut pump banding straps with tin snips.
(Models with wooden support blocks only.)
B. Remove jet, replace and lubricate O ring, and
reinstall jet.
A. Reset GFCI.
B. Allow water to cool, heater will re engage.
C. Replace heater.
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