Bunn FMD-4 Manuale Utente

23

Test Procedure:
1. Disconnect the dispenser from the power source.
2. Open the dispenser door and remove the bottom

door cover.

3. Disconnect the wires from the door interconnect

wiring harness to the dispense switch to be tested.

4. Check for voltage across the black and red/white

wires for the dispense switch to be teseted from
the door interconnect wiring harness. Connect the
dispenser to the power supply. The indication
must be:
a) 120 volts ac for two wire 120 volt models.
b) 120 volts ac for three wire 120/208 volt or 120/
240 volt models.

5. Disconnect the dispenser from the power source.

If voltage is present as described, proceed to #6.
If voltage is not present as described, refer to the wir-
ing diagram and check the dispenser wiring harness.

6. With a voltmeter, check the voltage across the

remaining two wires of the dispense switch being
tested from the door interconnect wiring harness.
Connect the dispenser to the power source. The
indication must be +5 volts dc.

If voltage is present as described, proceed to #7.
If voltage is not present as described, refer to the
wiring diagram and check the dispenser wiring har-
ness.

FIG.13 DISPENSE SWITCHES

P2636

Location:

The dispense switches are located on the lower

outside of the dispenser door.

FMD-4

FMD-5

35135 012103