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Page 70
Remove power from the brewer.
Check for continuity between the
white terminal of the terminal block
(or red terminal on 208/240V mod-
els) and the black wire on the relay
on the control board (Toggle switch
must be in 120/208-240V position
on 208V and 240V models). There
should be a low OHM reading. If
not continuity is present, check for
a wiring or switch problem (consult
wiring schematic), then replace the
tank heater if no wiring or switch
problem is found.
Remove power from the brewer.
Connect a voltmeter across the
tank heater. Reapply power to the
brewer and refer to testing outputs
on page 56. 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.
4. Tank heaters
5. Control Board
Water will not heat or display shows
HEATING TIME TOO LONG.
(Continued)
TROUBLESHOOTING (cont.)
PROBLEM PROBABLE CAUSE REMEDY
36748 080904