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Page 44
TROUBLESHOOTING (cont.)
Problem
Possible Cause
Troubleshooting Procedures
Perform the previous procedure for
testing triacs. If the voltage mea-
sured is very low or zero, then sub-
stitute a control board known to be
in good working order.
(A) Direction of flow arrow must be
pointing towards the brewer.
(B) Remove the strainer and check
for obstructions. Clear or replace.
Check operating water pressure to
the brewer. It must be between 20
and 90 psi (138 and 620 kPa).
Test the Brew Valve. Refer to
Test-
ing Individual Components
on page
33. Turn the valve on for 30 seconds
and collect the water dispensed from
the sprayhead. Repeat the test sev-
eral times to confirm a consistent
volume of dispensed water. If not
consistent, check the valve, tubing
and sprayhead for lime buildup.
If bypass is being used on the incon-
sistent brewing recipe, test the By-
pass Valve. Refer to
Testing Indi-
vidual Components
on page 33. Turn
the valve on for 30 seconds and
collect the water collected from the
bypass opening. Repeat the test sev-
eral times to confirm a consistent
volume of dispensed water. If not
consistent, check the valve, tubing
and bypass opening for lime buildup.
Inspect for lime buildup that could
block the tank, tank fittings, tubing,
valves and sprayhead.
3. Electronic control board
1. Strainer
2. Improper water pressure
3. Brew Valve
4. Bypass Valve
5. Lime buildup
Spitting or unusual steaming from
sprayhead or air vents. (Water too
hot) (cont.)
Inconsistent beverage level in server.
35058 121102