Kohler K-1418-CT manual Troubleshooting

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.

Kohler Co. 11 1023246-5-C