Bunn TU3Q service manual Problem Probable Cause

TROUBLESHOOTING (cont.)
PROBLEM	PROBABLE CAUSE	REMEDY

Consistently high or low beverage level in the dispenser

Spitting or excessive steaming

1.External Strainer/Flow Control (.750 GPM)

1. Lime Build-up

CAUTION - Tank and tank compo- nents should be delimed regularly depending on local water condi- tions. Excessive mineral build-up on stainless steel surfaces can ini- tiate corrosive reactions resulting in serious leaks.

(A)Direction of flow arrow must be pointing towards brewer.

(B)Remove the strainer/flow con- trol and check for obstructions. Clear or replace.

Inspect tank assembly for excessive lime deposits. Delime as required.

	2.	Control Thermostat	Refer to Service - Control Thermo-
			stat for testing procedures. See
			page 19.
Drip-out time too long	1. Funnel Tip		The brew funnel should be cleaned
			thoroughly before each brew cycle
			to lessen the chance of tea leaf par-
			ticles clogging the drip-out tip.
Sweetener is not working	1.	Sweetener box is empty	Check the Sweetener box to make
			sure it is not out of product.
	2. Flow Adjustment screw is closed		Check the Flow Adjustment screw
			to make sure the valve has not
			closed.
	3.	Solenoid is defective	Refer to Service -Sweetener Sole-
			noid Valve for testing procedures.
			See page 24.
	3.	The Pump is defective	Check the manufacturers warranty
			for additional information on test-
			ing and replacement of a defective
			pump.

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