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

A. No power to control.

A. Check wiring and connect power. If

 

not illuminate

 

problem persists, refer to

 

when power button

 

installer/dealer.

 

is pressed or outer

 

 

 

B. GFCI or ELCB tripped.

B. Reset GFCI or ELCB.

 

ring is rotated.

 

 

 

 

 

C. Wiring harness from user keypad to

C. Check wiring for proper connections.

 

 

control is loose, disconnected or

Replace wiring harness if necessary.

 

 

damaged.

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

A. Jet is closed.

A. Rotate jet trim counterclockwise to open.

 

jets are not

 

 

 

B. Jet not installed correctly.

B. Reinstall jet; check for O-ring damage.

 

functioning.

 

 

 

 

 

 

C. Jets are blocked.

C. Remove blockage.

 

 

 

 

3.

User keypad is

A. Control program is locked.

A. Reset GFCI or ELCB.

 

illuminated, but

 

 

 

B. Wiring harness from user keypad to

B. Check wiring for proper connections.

 

does not respond to

 

control is loose, disconnected or

Replace wiring harness if necessary.

 

buttons or ring.

 

damaged.

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

A. Control program is locked.

A. Reset GFCI or ELCB.

 

indicator bar keeps

 

 

 

B. Wiring harness from user keypad to

B. Check wiring for proper connections.

 

scanning at

 

control is loose, disconnected or

Replace wiring harness if necessary.

 

power-up.

 

damaged.

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

A. Power cord from pump to control is

A. Check wiring for proper connections. If

 

illuminated, but

loose, disconnected or damaged.

problem persists, refer to

 

pump won’t start.

 

installer/dealer.

 

 

 

 

 

 

B. Faulty pump.

B. Replace pump. Refer to installer/dealer.

 

 

 

 

 

 

C. Faulty control.

C. Replace control. Refer to installer/dealer.

 

 

 

 

6.

Motor runs but

A. Pump is shimmed too high.

A. Lower pump/control to subfloor level.

 

pump wont prime

 

 

 

B. Small air leak at pump inlet.

B. Securely tighten nut(s) on intake side of

 

(cavitates).

 

 

pump.

 

 

 

 

 

 

 

 

 

C. Faulty motor/pump.

C. Replace motor/pump. Refer to

 

 

 

installer/dealer.

 

 

 

 

 

 

D. Faulty control.

D. Replace control. Refer to installer/dealer.

 

 

 

 

1019486-5-A

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Kohler Co.

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Kohler K-872, K-870 manual Troubleshooting Procedures