Bunn TWF service manual Consistently high or low beverage

TROUBLESHOOTING (cont.)
PROBLEM	PROBABLE CAUSE	REMEDY
Consistently high or low beverage	2. External Strainer/Flow Control	(A) Direction of flow arrow must be
level in the dispenser. (cont.)	(.750 GPM)	pointing towards brewer.
		(B) Remove the strainer/flow con-
		trol and check for obstructions.
		Clear or replace.

Spitting or excessive steaming	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.

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

	2.	Control Thermostat	Refer to Service - Control Thermo-
			stat for testing procedures. See
			page 23
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.

Dripping from sprayhead	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.

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
A) Iced Tea	Valve (Iced Tea) for testing proce-
	dures. See page 16
B) Hot Coffee	Refer to Service- Brew Solenoid
	Valve (Hot Coffee) for testing pro-
	cedures. See Page 15

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