Bunn H5E H5X service manual Troubleshooting Problem Probable Cause

TROUBLESHOOTING (cont.)

Problem Probable Cause Remedy

Automatic refill will not operate 1. No water after drawing hot water.

Check plumbing and shut-off valves.

	2.	Water strainer/flow control	(A) Direction of flow arrow must be point-
			ing towards dispenser.
			(B) Remove the strainer/flow control and
			check for obstructions. Clear or replace.
	3.	Safety overflow switch	Refer to Service – safety overflow switch
			for testing procedures. See page 17.
	4.	Liquid level system	Refer to Service – electronic controls for
			testing procedures. See page 10.
	5.	Solenoid valve	Refer to Service – solenoid valve for test-
			ing procedures. See page 18.
Water flows into the tank con-	1. Solenoid valve		Refer to Service – solenoid valve for test-
tinuously (Dispenser discon-			ing procedures. See page 18.
nected from power source).
Water flows into the tank con-	1. Liquid level system		Refer to Service – electronic controls for
tinuously (Dispenser connected			testing procedures. See page 10.
to power source).
Water is cold.	1. Tank heater switch		Tank heater switch must be in the “ON”
			position.
	2.	Safety overflow switch	Refer to Service – safety overflow switch
			for testing procedures. See page 17.
	3.	Limit thermostat	Refer to Service – limit thermostat for test-
			ing procedures. See page 16.

CAUTION – Do not eliminate or bypass limit thermostat. Use only B.O.M. replacement part #23717.0001.

4.	Tank heater	Refer to Service – tank heater for testing
		procedures. See page 19.
5.	Temperature control	Refer to Service – electronic controls for
		testing procedures. See page 10.

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