Bunn CWT-TSR, CW-APS service manual Cwt-Aps, Cwtf-Aps, Cwt-Ts, Cwtf-Ts, Cwt-Tsr, Cwtf-Tsr

TROUBLESHOOTING (cont.)
PROBLEM	PROBABLE CAUSE	REMEDY
Weak beverage	1. Filter Type	BUNN® paper filters must be
		used for proper extraction.
	2. Coffee Grind	A fine or drip grind must be used
		for proper extraction.
	3. Sprayhead	A six-hole stainless steel spray-
		head must be used for proper
		extraction.
	4. Funnel Loading	The BUNN® paper filter must be
		centered in the funnel and the bed
		of ground leveled by gentle shak-
		ing.
	5. Water Temperature	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. Adjust the
		control thermostat to increase the
		water temperature. Replace if nec-
		essary.
Dry coffee grounds remain in the	1. Funnel Loading	The BUNN® paper filter must be
funnel		centered in the funnel and the bed
		of grounds leveled by gently shak-
		ing.
Brewer is making unusal noises	1. Solenoid	The nut on the solenoid must be
(CWT-APS, CWTF-APS, CWT-TS,		tight or it will vibrate during op-
CWTF-TS, CWT-TSR, CWTF-TSR)		eration.
	2. Plumbing Lines	Plumbing lines should not resting
		on the counter top.
	3. Water Supply	(A) The brewer must be connected
		to a cold water line.
		(B) Water pressure to the brewer
		must not exceed 90 psi (620 kPa).
		Install a regulator if necessary to
		lower the working pressure to ap-
		proximately 50 psi (345 kPa).
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