Bunn STA, STFA TROUBLESHOOTING cont, Problem, Probable Cause, Remedy, Dripping from sprayhead

TROUBLESHOOTING (cont.)
PROBLEM	PROBABLE CAUSE	REMEDY
Dripping from sprayhead	1. Syphon system	The brewer must be level or slightly
		lower in front to syphon properly.
	2. Lime build-up	Inspect the tank assembly for ex-
	CAUTION - Tank and tank compo-	cessive lime deposits. Delime as
	nents should be delimed regularly	required.
	depending on local water condi-
	tions. Excessive mineral build-up
	on stainless steel surfaces can ini-
	tiate corrosive reactions resulting
	in serious leaks.

3.Solenoid valve (ST, STF, STA & STFA)

Remove the solenoid valve and clear any obstructions. Rebuild or replace the valve if necessary.

See page 18

Water flows into tank continuously	1.	Timer (ST, STF, STA & STFA)	Refer to Service - Timer for testing
(ON/OFF Switch "ON")			procedures. See page 22 or 24
	2.	Start switch	Refer to Service - Start Switch for
			testing procedures. See page 19
	3.	Liquid level board	Refer to Service - LiquidLevel
			Board for testing procedures. See
			page 26

	4. Relay
Water flows into tank continuously	1. Solenoid valve (ST, STF, STA &
(ON/OFF Switch "OFF")	STFA)

Refer to Service - Relay for testing procedures. See page 28

Remove the Solenoid Valve and clean any obstruction. Rebuild or replace the valve if necessary. See page 18

Beverage overflows dispenser	1.	Dispenser	The dispenser must be completely
			empty before starting a brew cycle.
	2.	Timer (ST, STF, STA & STFA)	Refer to Service - Timer for testing
			procedures. See page 22 or 24

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