SERVICE (cont.)
CONTROL THERMOSTAT
P2414
FIG. 3 CONTROL THERMOSTAT
Location:
The control thermostat is located inside the hood
on the left end of the mounting bracket.
Test Procedures:
1.
Disconnect the brewer from the power source.
2.
Locate the black wire on the control thermostat.
3.
Check the voltage across the black wire on the
control thermostat and the white wire on the tank
heater or the red wire on the tank heater with a
voltmeter. Plug-in the brewer to the power source.
The indication must be:
a) 120 volts ac for two wire 120 volt models.
b) 220 volts ac for two wire 220 volt models.
4.
Disconnect the brewer from the power source.
If voltage is present as described, proceed to #5.
If voltage is not present as described, refer to the
wiring diagrams and check the brewer wiring harness.
5.
Locate the blue/black wire on the control thermo-
stat.
6.
Gently remove the capillary bulb and grommet
from the tank.
7.
Check the voltage across the blue/black wire of
the control thermostat and the white wire on the
tank heater or red wire on the tank heater with a
voltmeter when the control thermostat is turned