Troubleshooting (cont.)

User Keypad and Pump

Symptoms

Probable Causes

Recommended Action

3.

User keypad indicator bar

A.

Control program is locked.

A.

Reset GFCI or RCD.

 

keeps scanning at

B.

Wiring harness from user

B.

Check wiring for proper

 

power-up.

 

keypad to control is loose,

 

connections. Replace wiring

 

 

 

disconnected or damaged.

 

harness if necessary.

 

 

C.

User keypad does not work.

C.

Replace user keypad.

 

 

D.

Control does not work.

D.

Replace control.

4.

User keypad is

A.

Power cord from pump to

A.

Check wiring for proper

 

illuminated, but pump

 

control is loose, disconnected or

 

connections.

 

will not start.

 

damaged.

 

 

 

 

B.

Pump does not work.

B.

Replace pump.

 

 

C.

Control does not work.

C.

Replace control.

5.

Motor runs but pump will

A.

Pump is shimmed too high.

A.

Lower pump/control to subfloor

 

not prime (cavitates).

 

 

 

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.

6.

Pump stops before 18

A.

GFCI or RCD tripped.

A.

Identify source of fault, and correct.

 

minutes.

 

 

 

Reset GFCI or RCD.

 

 

B.

Suction is blocked.

B.

Remove obstruction.

 

 

C.

Jets are blocked.

C.

Remove blockage.

 

 

D. Motor overheated and

D. Check for blockage at suction

 

 

 

protection device activated.

 

and/or jets. Remove blockage and

 

 

 

 

 

allow motor to cool.

7.

Pump does not

A.

20-minute timer inadvertently

A.

See service manual.

 

automatically stop after 22

 

disabled.

 

 

 

minutes.

 

 

 

 

8.

Pump will not turn off

A.

User keypad does not work.

A.

Replace user keypad.

 

when the power button

 

 

 

 

 

on user keypad is

B.

Control does not work.

B.

Replace control.

 

pressed.

 

 

 

 

9.

Pump operates but

A.

Motor/pump does not work.

A.

Replace motor/pump.

 

variable speed feature

B.

Control does not work.

B.

Replace control.

 

does not work.

 

 

 

 

 

10.

Bath water cools while

A.

Water temperature above 104°F

A.

Allow bath water to cool.

 

pump is operating.

 

(40°C).

 

 

 

 

B.

Heater is turned off on user

B.

Turn heater on.

 

 

 

keypad.

 

 

 

 

C.

Wiring from heater to control is

C.

Check wiring for proper

 

 

 

loose, disconnected or damaged.

 

connections.

 

 

D. Heater does not work.

D. Replace heater.

 

 

E.

Control does not work.

E.

Replace control.

11.

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.

 

 

 

 

 

 

1023261-5-C

10

Kohler Co.

Page 10
Image 10
Kohler K-1110-CT manual Troubleshooting

K-1110-CT specifications

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