Bunn ITB User Manual

Page 31

TROUBLESHOOTING (cont.)

PROBABLE CAUSE

REMEDY

PROBLEM

Check  plumbing  and  shut-off 

valves

Check for voltage across the termi-

nals at the terminal block.

Test  the  ON/OFF  switch.    Refer 

to  the  test  switch  procedures  on 

page 50.

Test the BREW switch. Refer to the 

test  switch  procedures  on  page 

50.

Test the brew valve.  Refer to the test 

outputs procedures on page 48.

Substitute a control board known 

to be in good working order.

1. No water

2. No power or incorrect voltage to 

the brewer

3. ON/OFF switch

4. Brew switch

5. Brew valve

6. Control Board

Brew cycle will not start

41581.2 091609