Bunn VP17A service manual TROUBLESHOOTING cont, Problem, Probable Cause, Remedy

TROUBLESHOOTING (cont.)
PROBLEM	PROBABLE CAUSE
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.

REMEDY

Inspect tank assembly for exces- sive lime deposits. Delime as re- quired.

	2.	Control Thermostat
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.

Refer to Service - Control Ther- mostat for testing procedures. See page 10

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.

	1.	Dispenser	The dispenser must be completely
Beverage overflows dispenser			empty before starting a brew cycle.
	1.	Filter Type	BUNN® paper filters must be used
			for proper extraction.
Weak beverage	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.

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