SERVICE (Cont.)

Display Board (Model MHG)

FIG 66 DISPLAY BOARD

Location:

The display board is located inside the hopper housing behind the membrane switch.

Test Procedure:

1.Press and hold the upper right hidden button to enter the Programming menus.

2.Scroll to SERVICE TOOLS menu, and press the button under "YES".

3.Press "YES" under TEST OUTPUTS and proceed, through the menus to test the left and right gates, and the grinder motor.

4.Then scroll to the TEST SWICHES menu and press the button under "YES". Test each button on the conttrol panel, the button pressed will be displayed on the screen.

Removal and Replacement

1.Disconnect the grinder from the power supply.

2.Remove the two 6-32 screws attaching the mem- brane switch bezel to the hopper housing.

3.Tilt the bezel assembly forward.

4.Remove the four 8-32 screws attaching the board cover bracket to the switch bezel and remove the bracket.

5.Disconnect the wiring harness from the display board.

6.Remove the four 8-32 screws attaching the display board to the switch bezel and remove the board.

To Control Board J8

 

 

 

BLU GRN YEL ORN

 

 

J10-1

J10-4

 

 

DISPLAY BOARD

J9-1

J9-5

J9-10

J9-15

1

 

 

16

J9-1

 

 

16

FIG 67 DISPLAY BOARD TERMINALS

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Bunn G9WD, LPG-2, G2 TRIFECTA, G9-2T DBC, FPG-2 service manual Display Board Model MHG

FPG-2, G9-2T DBC, G9-2, G2 TRIFECTA, G9 specifications

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