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Page 36
No bypass water
Spitting or unusual steaming from
sprayhead or air vent.
1. Bypass valve
2. Recipe settings
1. Lime buildup
2. Temperature probe
3. Control Board
Test the bypass valve. Refer to the
test outputs procedures on page
48.
Check to make sure bypass % has
been set for the current recipe.
Inspect the probe and tank assembly
for excessive lime deposits. Delime
as required.
Remove the probe from the grom-
met and submerge in a water bath
of approximately 70°F (21°C).
Connect an ohmmeter to the pins
in the connector. At 60°F (16°C),
the reading should be 15.3k ± 2k
OHMS, at 70°F (21°C) the reading
should be 11.8k ± 2k OHMS, and
at 80°F (27°C) the reading should
be 9.3k ± 2k OHMS. If the probe is
within these parameters, reconnect
to the control board.
Remove power from the brewer.
Connect a voltmeter across the
tank heater. Reapply power to the
brewer and refer to testing outputs
on page 48. If the voltage measured
when the tank heater is turned on
is very low or zero, then substitute
a control board know to be good
working order.
TROUBLESHOOTING (cont.)
PROBLEM PROBABLE CAUSE REMEDY
41581.2 091609