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Troubleshooting Procedures (cont.)
Troubleshooting the Whirlpool System
Symptoms Probable Causes Recommended Action
B. GFCI or RCD circuit
breaker is tripped.
B. Reset GFCI or RCD.
C. Wiring harness from user
keypad to control is loose,
disconnected, or damaged.
C. Check wiring for proper connections.
Replace wiring harness if necessary.
Refer to installer/dealer.
D. Keypad is not working. D. Replace user keypad. Refer to
installer/dealer.
E. Control is not working. E. Replace control. Refer to
installer/dealer.
2. Motor starts, but all jets are
not functioning.
A. Jet is closed. A. Rotate jet trim ring counterclockwise
to open.
B. Jet not installed correctly. B. Reinstall jet; check for O-ring damage.
C. Jets are blocked. C. Remove obstruction.
3. User keypad is illuminated
but does not respond to
buttons or ring.
A. Control program is locked. A. Reset GFCI or RCD.
B. Wiring harness from user
keypad to control is loose,
disconnected, or damaged.
B. Check wiring for proper connections.
Replace wiring harness if necessary.
Refer to installer/dealer.
C. Keypad is not working. C. Replace user keypad. Refer to
installer/dealer.
D. Control is not working. D. Replace control. Refer to
installer/dealer.
4. User keypad indicator bar
keeps scanning at
power-up.
A. Control program is locked. A. Reset GFCI or RCD.
B. Wiring harness from user
keypad to control is loose,
disconnected, or damaged.
B. Check wiring for proper connections.
Replace wiring harness if necessary.
Refer to installer/dealer.
C. Keypad is not working. C. Replace user keypad. Refer to
installer/dealer.
D. Control is not working. D. Replace control. Refer to
installer/dealer.
5. User keypad is illuminated,
but pump will not start.
A. Power cord from pump to
control is loose,
disconnected, or damaged.
A. Check wiring for proper connections.
If problem persists, refer to
installer/dealer.
B. Pump is not working. B. Replace pump. Refer to
installer/dealer.
C. Control is not working.
C. Replace control. Refer to
installer/dealer.
6. Motor runs but pump will
not prime (cavitates).
A. Pump is shimmed too
high.
A. Lower pump/control to subfloor level.
B. Small air leak at pump
inlet.
B. Securely tighten nut(s) on intake side
of pump.
C. Motor/pump is not
working.
C. Replace motor/pump. Refer to
installer/dealer.
D. Controller is not working. D. Replace control. Refer to
installer/dealer.
7. Pump stops before 18
minutes.
A. GFCI or RCD tripped. A. Identify source of fault, and correct.
Reset GFCI or RCD.
B. Suction is blocked. B. Remove obstruction.
C. Jets are blocked. C. Remove obstruction.
D. Motor overheated and
protection device activated.
D. Check for blockage at suction and/or
jets. Remove obstruction and allow
motor to cool.
8. Pump does not
automatically stop after 22
minutes.
A. 20-minute timer
inadvertently disabled.
A. See Service Manual.
1019451-5-C 10 Kohler Co.