Troubleshooting (cont.)

Symptoms

Probable Causes

Recommended Action

3.

User keypad is

A.

Control program is locked.

A.

Reset GFCI or RCD.

 

illuminated, but does

B.

Wiring harness from user

B.

Check wiring for proper connections.

 

not respond to

 

keypad to control is loose,

 

Replace wiring harness if necessary.

 

buttons or outer ring.

 

disconnected or damaged.

 

 

 

 

C.

User keypad does not work.

C.

Replace user keypad.

 

 

D.

Control does not work.

D.

Replace control.

4.

User keypad

A.

Control program is locked.

A.

Reset GFCI or RCD.

 

indicator bar keeps

B.

Wiring harness from user

B.

Check wiring for proper connections.

 

scanning at

 

keypad to control is loose,

 

Replace wiring harness if necessary.

 

power-up.

 

disconnected or damaged.

 

 

 

 

C.

User keypad does not work.

C.

Replace user keypad.

 

 

D.

Control does not work.

D.

Replace control.

5.

User keypad is

A.

Power cord from pump to

A.

Check wiring for proper connections.

 

illuminated, but

 

control is loose, disconnected or

 

 

 

pump won’t start.

 

damaged.

 

 

 

 

B.

Pump does not work.

B.

Replace pump.

 

 

C.

Control does not work.

C.

Replace control.

6.

Motor runs but

A.

Pump is shimmed too high.

A.

Lower pump/control to subfloor level.

 

pump won’t prime

B.

Small air leak at pump inlet.

B.

Securely tighten nut(s) on intake side of

 

(cavitates).

 

 

 

pump.

 

 

C.

Motor/pump does not work.

C.

Replace motor/pump.

 

 

D.

Control does not work.

D.

Replace control.

7.

Pump stops before

A.

GFCI or RCD tripped.

A.

Identify source of fault, and correct.

 

18 minutes.

 

 

 

Reset GFCI or RCD.

 

 

B.

Suction is blocked.

B.

Remove obstruction.

 

 

C.

Jets are blocked.

C.

Remove blockage.

 

 

D. Motor overheated and protection

D. Check for blockage at suction and/or

 

 

 

device activated.

 

jets. Remove blockage and allow motor

 

 

 

 

 

to cool.

8.

Pump does not

A.

20-minute timer inadvertently

A.

See service manual.

 

automatically stop

 

disabled.

 

 

 

after 22 minutes.

 

 

 

 

9.

Pump won’t turn off

A.

User keypad does not work.

A.

Replace user keypad.

 

when the power

 

 

 

 

 

button on user

B.

Control does not work.

B.

Replace control.

 

keypad is pressed.

 

 

 

 

10.

Pump operates but

A.

Motor/pump does not work.

A.

Replace motor/pump.

 

variable speed

 

 

 

 

 

feature does not

B.

Control does not work.

B.

Replace control.

 

work.

 

 

 

 

11.

Bath water cools

A.

Water temperature above 104°F

A.

Allow bath water to cool.

 

while pump is

 

(40°C).

 

 

 

operating.

B.

Heater is turned off on user

B.

Turn heater on.

 

 

 

keypad.

 

 

 

 

C.

Wiring from heater to control is

C.

Check wiring for proper connections.

 

 

 

loose, disconnected or damaged.

 

 

 

 

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

A.

Cut pump banding straps with tin

 

 

 

been cut.

 

snips.

 

 

B.

Dry or dislodged jet O-ring

B.

Remove jet, replace and lubricate

 

 

 

(squeal).

 

O-ring, and reinstall jet.

 

 

 

 

 

 

Remote Control

1019490-5-C

10

Kohler Co.

Page 10
Image 10
Kohler K-812-N1 manual Troubleshooting, Remote Control