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Bunn U3A User Manual

Page 10

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Page 10

TROUBLESHOOTING (cont.)

PROBLEM

Water running out of the overflow

Water is not hot

PROBABLE CAUSE

1. Brewer not level

2. Solenoid Valve

3. Liquid Level Board

4. Probe

5. Manual fill and drain valve un-
derneath brewer open.

1. Limit Thermostat
CAUTION - Do not eliminate or
bypass limit thermostat. Use only
Bunn-O-Matic replacement part
#29329.1000.

2. Control Thermostat

3. Tank Heater(s)

4. Contactor

5. Thermal Fuse.

REMEDY

Brewer must be level and installed
on a sturdy structure.

Refer to

Service

- Solenoid Valve

for testing procedures. See page
22

Refer to

Service

-Liquid Level

Board for testing procedures. See
page 17

Refer to

Service

- Probe for test-

ing procedures. See page 17

Be sure valve is closed.

Refer to

Service

- Limit Thermo-

stat for testing procedures. See
page 17

Refer to

Service

- Control Ther-

mostat for testing procedures. See
page 15

Refer to

Service

- Tank Heater for

testing procedures. See page 25

Refer to

Service

- Contactor for

testing procedures. See page 13

Refer to

Service -

Thermal Fuses

for testing procedures. See page
26

10060.3 070102