Bunn H5M User Manual
Page 15
15
SERVICE (cont.)
Liquid Level Board
Location:
The liquid level board is located inside the lower
panel.
Test Procedure:
1. Disconnect the dispenser from the power source.
2. Remove the blue wire from terminal 1 and the pink
wire from terminal 4 of the circuit board.
3. Check the voltage across terminals 2 and 3 with a
voltmeter. Connect the dispenser to the power
source. Turn the thermostat knob to the “ON” po-
sition (fully clockwise). The indication must be:
a.) 100 to 120 volts ac for 100 to 120 volt models,
b.) 200 to 240 volts ac for 200 to 240 volt models,
c.) 230 volts ac for 230 volt models.
4. Disconnect the dispenser from the power source.
If voltage is present as described, proceed to #5.
If voltage is not present as described, refer to the wir-
ing diagrams and check the wiring harness.
FIG. 11 LIQUID LEVEL BOARD