Kohler Bath Whirlpool K-870 - Manual (Page 10)

1019486-5- A 10
Kohler Co.
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 Probable Causes Recommended Action
1. User keypad does
not illuminate
when power button
i d t
A. No power to control. A. Check wiring and connect power. If
problem persists, refer to
installer/dealer. p
is pressed or outer
ring is rotated.
B. GFCI or ELCB tripped. B. Reset GFCI or ELCB.
ring is rotated.
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. Faulty user keypad. D. Replace user keypad. Refer to
installer/dealer.
E. Faulty control. E. Replace control. Refer to installer/dealer.
2. Motor starts, but all
jets are not
A. Jet is closed. A. Rotate jet trim counterclockwise to open.
jets are not
functioning. B. Jet not installed correctly. B. Reinstall jet; check for O-ring damage.
C. Jets are blocked. C. Remove blockage.
3. User keypad is
illuminated but
A. Control program is locked. A. Reset GFCI or ELCB. yp
illuminated, but
does not respond to
buttons or ring.
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. Faulty user keypad. C. Replace user keypad. Refer to
installer/dealer.
D. Faulty control. D. Replace control. Refer to installer/dealer.
4. User keypad
indicator bar keeps
A. Control program is locked. A. Reset GFCI or ELCB. yp
indicator bar keeps
scanning at
power-up.
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. Faulty user keypad. C. Replace user keypad. Refer to
installer/dealer.
D. Faulty control. D. Replace control. Refer to installer/dealer.
5. User keypad is
illuminated, but
pump won’t 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. p p
B. Faulty pump. B. Replace pump. Refer to installer/dealer.
C. Faulty control. C. Replace control. Refer to installer/dealer.
6. Motor runs but
pump won’t prime
A. Pump is shimmed too high. A. Lower pump/control to subfloor level.
pump won’t prime
(cavitates).
B. Small air leak at pump inlet. B. Securely tighten nut(s) on intake side of
pump.
C. Faulty motor/pump. C. Replace motor/pump. Refer to
installer/dealer.
D. Faulty control. D. Replace control. Refer to installer/dealer.