Bunn H10X TROUBLESHOOTING cont, Problem, Probable Cause, Remedy, board and sheath of tank tempera

TROUBLESHOOTING (cont.)
PROBLEM	PROBABLE CAUSE	REMEDY
Water is cold (cont.)	3. Tank heater	Refer to Service - Tank heater for
		testing procedures. See page 19.
	4. Temperature control	Refer to Service - Electronic con-
		trols for testing procedures. See
		page 12.
	5. Dry plug protection	Check connections to Interlock
		board and sheath of tank tempera-
		ture probe.
Water boils continuously.	1. Temperature control	Refer to Service - Electronic con-
		trols for testing procedures. See
		page 12.
	2. Lime build-up	Inspect the tank assembly for excess
		lime deposits. Delime as required.

CAUTION - Tanks and tank components should be delimed regularly depending on local water conditions. Exces- sive mineral build-up on stainless steel surfaces can initiate corrosive reactions resulting in serious leaks.

Dispenser is making unusual nois- 1.	Solenoid valve
es.
2.	Plumbing lines
3.	Water supply

Ready indicator will not light. (when 1.	Temperature control
temperature is within 4˚ of its se-
lected setting.)
2.	Ready Indicator LED

The nut on top of the solenoid valve must be tight or it will vibrate during operation.

Plumbing lines should not be resting on the counter top.

(A)the dispenser must be connected to a cold water line.

(B)Water pressure to the dispenser must not be higher than 90 psi. Install a regulator if necessary to lower the working pressure to ap- proximately 50 psi.

Refer to Service - Electronic con- trols for testing procedures. See page 12.

Replace the indicator LED.

8 10889 072700