Bunn RL00006929 service manual Troubleshooting cont. Problem, Probable Cause Remedy

TROUBLESHOOTING (cont.) Problem

Beverage overflows decanter.

Weak beverage.

Brewer is making unusual noises.

Probable Cause		Remedy
1.	Beverage left in decanter	The brew cycle should be started
		only with an empty decanter under
		the funnel.
1.	Type of paper filters	BUNN® paper filters should be used
		for proper extraction.
2.	Coffee	A sufficient quantity of fine or drip
		grind coffee should be used for
		proper extraction.
3.	Sprayhead	B.O.M. sprayhead #01082.0000
		should be used to properly wet the
		bed of ground coffee in the funnel.
4.	Funnel loading	The BUNN® paper filter should be
		centered in the funnel and the bed of
		coffee leveled by gentle shaking.
5.	Water temperature	Place a funnel over an empty de-
		canter on the warmer beneath the
		sprayhead. Place the On/Off brew
		station warmer switch in the upper
		position, press the start switch,
		and check the water temperature
		immediately below the sprayhead
		with an accurate thermometer. The
		reading should not be less than 195°
		F. Adjust the control thermostat
		slightly clockwise to increase the
		water temperature.
1.	Solenoid Valve	The nut on top of the solenoid valve
		must be tight or it will vibrate during
		operation.
2.	Plumbing lines	Plumbing lines should not rest 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 be higher than 90 psi.
	Install a regulator if necessary to
	lower the working pressure to ap-
Page 12	proximately 50 psi.
	32430 121699