Bunn H5M User Manual
Page 7
7
TROUBLESHOOTING (cont.)
Problem
Probable Cause
Remedy
Automatic refill will not operate
after drawing hot water.
Water flows into the tank con-
tinuously (Dispenser discon-
nected from power source).
Water flows into the tank con-
tinuously (Dispenser connected
to power source).
Water is cold.
1. No water
2. Water strainer/flow control
3. Safety overflow switch
4. Liquid level system
5. Solenoid valve
1. Solenoid valve
1. Liquid level system
1. Control thermostat
2. Safety overflow switch
3. Limit thermostat
4. Tank heater
5. Temperature control
Check plumbing and shut-off valves.
(A) Direction of flow arrow must be point-
ing towards dispenser.
(B) Remove the strainer/flow control and
check for obstructions. Clear or replace.
Refer to Service – safety overflow switch
for testing procedures. See page 11.
Refer to Service – liquid level board for test-
ing procedures. See page 15.
Refer to Service – solenoid valve for test-
ing procedures. See page 12.
Refer to Service – solenoid valve for test-
ing procedures. See page 12.
Refer to Service – liquid level board for test-
ing procedures. See page 15.
Control thermostat must be in the “ON”
position.
Refer to Service – safety overflow switch
for testing procedures. See page 11.
Refer to Service – limit thermostat for test-
ing procedures. See page 10.
Refer to Service – tank heater for testing
procedures. See page 13.
Refer to Service – control thermostat for
testing procedures. See page 14.
CAUTION – Do not eliminate or bypass limit thermostat. Use only B.O.M. replacement part #23717.0001.
10267 011599