Bunn manual Weigh Control Board WDG-2

SERVICE (cont.)

Timer - DG-2 (cont.)

RED TO MOTOR CIRCUIT BOARD (Prior to S/N DG00002660)

WHI TO MOTOR CIRCUIT BOARD (S/N DG00002660 - UP)

ORA TO OFF/ON/START SWITCH ORA TO OFF/ON/START SWITCH

5	1
6	2
7	3
8	4
J4

	RED TO OFF/ON START SWITCH
	YEL TO SELECTOR SWITCH
BLK TO FUSE HOLDER	GRN TO OPTIONAL MULTISET	SWITCH
	TAN TO OPTIONAL INTERFACE CONNECTOR
WHI TO POWER CORD
	GRY TO OPTIONAL INTERFACE CONNECTOR
VIO TO SELECTOR SWITCH

1	2	3	4	5
6	7	8	9	10

TAN TO INTERFACE CONNECTOR

GRY TO INTERFACE CONNECTOR

BLK TO GRINDING LED

PNK TO INTERFACE CONNECTOR

J1

P746

Weigh Control Board - WDG-2

P929

Location

The weigh control board is located on the grinder base behind the lower front inspection panel.

Test Procedure:

1.Disconnect grinder from the power source.

2.Slide the weigh control board with wires con- nected from housing.

3.Place the hopper selector switch in the left posi- tion.

4.Disconnect eight pin plug J4 from weigh control board.

5.Check the voltage between J4-1 and J4-2 with a voltmeter. Connect the grinder to the power source. The indication must be 120 volts AC.

6.Disconect grinder from the power source.

If voltage is present as described, proceed to #7.

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

7.Check the voltage between the J4-2 and J4-6 with a voltmeter when the "OFF/ON/START" switch is in the "ON" position.Connect grinder to the power source. The indication must be 120 volts AC.

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