Bunn Dual TF DBC User Manual download pdf (Page 45)

Page 45

Equipment will not operate.

Brew cycle will not start.

Automatic reﬁ ll will not operate

or display shows FILL TIME TOO

LONG

1. No power or incorrect voltage.

1. No water

2. ON/OFF switch

3. Brew switch

4. Brew Valve

5. Electronic Control Board

1. No water

2. Water strainer

Measure the voltage at the terminal

block and conﬁ rm that it matches

the voltage speciﬁ ed on the brewer

data plate within +/- 10%.

Check plumbing and shut-off

valves

Test the ON/OFF switch. Refer to

the switch test procedures on page

33.

Test the BREW switch. Refer to the

switch test procedures on page

33.

Test the Brew valve. Refer to Test-

ing Individual Components on page

33.

Substitute a control board known to

be in good working order.

Check plumbing and shut-off

valves.

(A) Direction of ﬂ ow arrow must be

pointing towards direction of water

ﬂ ow.

(B) Remove the strainer and check

for obstructions. Clear or replace

TROUBLESHOOTING (cont.)

Troubleshooting Procedure

Problem

Possible Cause

35058.1 071205

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Bunn Dual TF DBC User Manual Page 45

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