Bunn CWTF, CT service manual Properly, Weak beverage, Funnel Sprayhead

TROUBLESHOOTING (cont.)

PROBLEM	PROBABLE CAUSE		REMEDY
Spitting or excessive steaming	1.	Lime Build-up	(A) Use deliming spring.
			(B) Clean sprayhead. (Page 11)
Dripping from sprayhead	1.	Syphon System	The brewer must be level or
			slightly lower in front to syphon
			properly.

Brew cycle starts when ON/ LOWER Switch is turned on.

Weak beverage

Auxiliary brew start switch on TWINS inadvertently activated.

1.Filter Type

2.Coffee Grind

3.Sprayhead

4.Funnel Loading

Move objects away from brewer.

BUNN® paper filters must be used for proper extraction.

A fine or drip grind must be used for proper extraction.

A clean spray-head must be used for proper extraction.

The BUNN® paper filter must be centered in the funnel and the bed of ground leveled by gentle shaking.

5. Water Temperature

Dry coffee grounds remain in	1. Funnel Loading
the funnel

2. Sprayhead

Place an empty funnel on an empty dispenser beneath the sprayhead. Initiate a brew cycle and check the water temperature immediately below the sprayhead with a ther- mometer. The reading should not be less than 195°F (76°C). Adjust the control thermostat to increase the water temperature. Replace if necessary.

The BUNN® paper filter must be centered in the funnel and the bed of grounds leveled by gently shaking.

A clean spray-head must be used for proper extraction.

Page 17 41721 111308