Bunn FMD-2 Manuel de service télécharger pdf (Page 21)

SERVICE (cont.)

HOPPER DELAY BOARD

FIG. 14 HOPPER DELAY BOARD

P1445.40

Location

The hopper delay board is located behind the

lower front access panel mounted in the center of the

component bracket.

Test Procedures:

1. Disconnect the dispenser from the power source.

2. Disconnect the eight pin plug on the main wiring

harness from the eight pin connector on the hop-

per delay board.

3. With the rinse/run switch in the “Run”, lower

position, check the voltage across the white and

black wires of the main wiring harness with a

voltmeter. Connect the dispenser to the power

source. 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.

c) 240 volts ac for two wire 240 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 diagram and check the dispenser wiring harness.

5. Reconnect the eight pin connector of the hopper

delay board to the main harness.

6. Check the voltage across the terminals on the

auger motor with a voltmeter. Press and hold the

appropriate dispense switch. Connect the dis-

penser to the power source. After a delay of .7

seconds 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.

c) 240 volts ac for two wire 240 volt models.

7. Disconnect the dispenser from the power source.

If voltage is present as described the hopper delay

board is operating properly.

If voltage is not present as described, replace the hop-

per delay board.

Removal and Replacement:

1. Disconnect the eight pin plug from the hopper

delay board.

2. Remove the two #8-32 keps nuts securing the

hopper delay board to the component bracket.

3. Remove hopper delay board and discard.

4. Install new delay board on the component bracket

using two #8-32 keps nuts.

5. Reconnect the eight pin connector to the hopper

delay board.

FIG.13 WHIPPER MOTOR TERMINALS

P1451.40

LEFT

FMD-2 & 3

CENTER

FMD-3 ONLY

RIGHT

FMD- 2 & 3

BLK to Main Harness RED

BLK to Main Harness WHI

BLK to Main Harness ORA

BLK to Main Harness WHI

BLK to Main

Harness WHI/VIO

BLK to Main

Harness WHI

FROTHER AND WHIPPER MOTOR (cont.)

28364 011598

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 35 36

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