Bunn Troubleshooting and Brewing Circuit Guide for Coffee Makers

TROUBLESHOOTING (cont.)
BREWING CIRCUIT (cont.)
PROBLEM	PROBABLE CAUSE	REMEDY
Dripping from sprayhead	1. Lime build up	Inspect the tank assembly for ex-
		cessive lime deposits. Delime as
		required.
	2. Dispense valve	Check/replace
Weak beverage	1. Sprayhead	A clean sprayhead must be used for
		proper extraction.
	2. Water temperature	Place an empty brew funnel on an
		empty decanter beneath the spray-
		head. Initiate brew cycle and check
		the water temperature immediately
		below the sprayhead with a ther-
		mometer. The reading must not be
		less than 195°F (91°C). Adjust the
		temperature setting to increase the
		water temperature. Refer to Initial
		Set-up instructions.
		BUNN® paper filters must be used
	3. Filter type	for proper extraction.
		A fine drip or grind must be used
	4. Coffee grind	for proper extraction.
		The BUNN® paper filter must be
	5. Funnel loading	centered in the funnel and the bed
		of grounds leveled by shaking
		gently.
Dry coffee grounds remain in the	1. Sprayhead	Make sure sprayhead is present and
funnel		holes are clear and unobstructed.
		The BUNN® paper filter must be
	2. Funnel loading	centered in the funnel and the bed
		of grounds leveled by shaking
		gently.
Low beverage serving tempera-	1. Thermal server/airpot not pre-	Preheat server
ture	heated before brew cycle

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