Bunn TB3Q-LP service manual TROUBLESHOOTING cont PROBLEM, Probable Cause, Remedy

TROUBLESHOOTING (cont.)

PROBLEM

Dripping from sprayhead

PROBABLE CAUSE

1.Syphon System

2.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.

REMEDY

The brewer must be level or slightly lower in front to syphon properly.

Inspect the tank assembly for ex- cessive lime deposits. Delime as required.

3. Brew Solenoid Valve	Refer to Service - Brew Solenoid
	Valve for testing procedures. See
	page 16

Water flows into tank continuously 1. Brew Timer (ON/OFF Switch "ON")

(UNSWEET/OFF/SWEET Switch in "UNSWEET" or "SWEET" position)

Refer to Service - Brew Timer for testing procedures. See page 17

Water flows into tank continuously (ON/OFF Switch "OFF") (UNSWEET/OFF/SWEET Switch in "OFF" position.

Beverage overflows dispenser

1.	Brew Solenoid Valve	Refer to Service - Brew Solenoid
		Valve for testing procedures. See
		page 16 0r 24
1.	Dispenser	The dispenser must be completely
		empty before starting a brew cycle.
2.	Brew Timer	Refer to Service - Brew Timer for
		testing procedures. See page 17
3.	Brew Solenoid Valve	Remove the Brew Solenoid Valve
		and clean any obstruction. Rebuild
		or replace the valve if necessary.
		See page 16

Weak beverage	1.	Filter Type	BUNN® paper filters must be used
			for proper extraction.
	2.	Tea	A sufficient quantity of fresh, loose
			tea leaves should be used for proper
			extraction.
	3.	Sprayhead	A clean stainless steel sprayhead
			must be used for proper extrac-
			tion.

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