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Service (cont.) – Bunn FMD-4 User Manual

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SERVICE (cont.)

FAN

FIG. 15 FAN

Location:

The fan is located inside the dispenser housing

on the center rear of the dispenser base plate.

Test Procedures:
1. Disconnect the dispenser from the power source.
2. Disconnect the black and white wires from the fan

terminals.

3. Check the voltage across the black and white wires

on the main harness with a voltmeter. Connect the
dispenser to the power source. The indication
must be:
a) 120 volts ac for two wire 120 volts models.
b) 120 volts ac for three wire 120/208 volt or 120/
240 volt models.

If voltage is present as described, replace the fan
If voltage is not present as described, refer to wiring
diagram and check the dispenser wiring harness.

Removal and Replacement:
1. Disconnect the vacuum hose from the fan.
2. Remove the two #8-32 locking screws securing

the fan to the dispenser housing base plate.

3. Disconnect the wires from the fan terminals and

discard the fan

4. Refer to Fig. 16 and connect the wires to the new

fan.

5. Install new fan through the rear access hole and

secure to the dispenser housing base plate using
two #8-32 locking screws.

6. Reconnect the vacuum hose to the fan.

P2635

BLK from Main Harness

WHI from Main Harness

FIG. 16 FAN TERMINALS

P1507

35135 012103