Kohler Bath Whirlpool K-812-N1 User Manual download pdf (Page 10)

Troubleshooting (cont.)

Symptoms Probable Causes Recommended Action

3. User keypad is

illuminated, but does

not respond to

buttons or outer 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.

C. User keypad does not work. C. Replace user keypad.

D. Control does not work. D. Replace control.

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.

C. User keypad does not work. C. Replace user keypad.

D. Control does not work. D. Replace control.

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.

B. Pump does not work. B. Replace pump.

C. Control does not work. C. Replace control.

6. Motor runs but

pump won’t 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 does not work. C. Replace motor/pump.

D. Control does not work. D. Replace control.

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 blockage.

D. Motor overheated and protection

device activated.

D. Check for blockage at suction and/or

jets. Remove blockage and allow motor

to cool.

8. Pump does not

automatically stop

after 22 minutes.

A. 20-minute timer inadvertently

disabled.

A. See service manual.

9. Pump won’t turn off

when the power

button on user

keypad is pressed.

A. User keypad does not work. A. Replace user keypad.

B. Control does not work. B. Replace control.

10. Pump operates but

variable speed

feature does not

work.

A. Motor/pump does not work. A. Replace motor/pump.

B. Control does not work. B. Replace control.

11. Bath water cools

while pump is

operating.

A. Water temperature above 104°F

(40°C).

A. Allow bath water to cool.

B. Heater is turned off on user

keypad.

B. Turn heater on.

C. Wiring from heater to control is

loose, disconnected or damaged.

C. Check wiring for proper connections.

D. Heater does not work. D. Replace heater.

E. Control does not work. E. Replace control.

12. Noisy operation. A. Pump banding straps have not

been cut.

A. Cut pump banding straps with tin

snips.

B. Dry or dislodged jet O-ring

(squeal).

B. Remove jet, replace and lubricate

O-ring, and reinstall jet.

Remote Control

1019490-5-C 10 Kohler Co.

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Kohler Bath Whirlpool K-812-N1 User Manual Page 10

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