SERVICE (Cont.)

Off/On/Start Switch (Models LPG, LPG-2E, FPG, G-1,G-2,G-3, G9, G9-2, G2 trifecta)

FIG 28 OFF/ON/START SWITCH

P594

 

Location:

The Off/On/Start switch is located to the left side on the front of the housing above the upper front inspec- tion panel.

Test Procedure:

1.Unplug the grinder.

2.Remove the black wire from the switch.

3.Check for continuity across the black wire from the Off/On/Start switch and the left blade of the cordset connector (see illustration below).

CORDSET CONNECTOR

Looking Strait-on

Black

 

 

 

 

 

White

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ground

If continuity is present as described, proceed to #4. If continuity is not present as described, refer to the Wiring Diagrams and check the grinder wiring har- ness.

4.Remove the remaining wires from the switch.

5.Check for continuity across the left terminals when the switch is placed in both the “ON” (center) and “START” (lower) positions. Continuity must not be present in the “OFF” position.

If continuity is present as described, proceed to #6. If continuity is not present as described, replace the switch.

6.Check for continuity across the right terminals when the switch is placed in the “START” (lower) position only. Continuity must not be present in the “OFF” position.

If continuity is present as described, the Off/On/Start switch is operating properly.

If continuity is not present as described, replace the switch.

Removal and Replacement:

1.Remove all wires from the switch terminals.

2.Compress the clips inside the front wrapper and gently push the switch through the opening.

3.Push the new switch into the opening and spread the clips to retain the switch in the hood.

4.Refer to the following illustration when reconnect- ing the wires.

VIO to timer P1-2

BLK to Cordset

BLK to timer P4-1

WHI/RED timer to P4-6

BLU to SW2

PNK to Intf conn. 2

Grinders with Digital Timer

VIO to timer P1-2

BLK to Cordset

WHI/RED timer to P4-6

BLK to timer P4-1

BLU to SW2

PNK to Intf conn. 2

Grinders with Analog Timer

P606

FIG 29 OFF/ON/START SWITCH TERMINALS

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Bunn LPG-2, G9WD, G9-2, FPG, G1 Grinders with Digital Timer, Grinders with Analog Timer, OFF/ON/START Switch Terminals

FPG-2, G1, FPG, G9-2T DBC, G9-2 specifications

Bunn has established itself as a leader in the coffee and beverage equipment industry, providing advanced solutions that cater to a variety of needs. Among its notable products are the Bunn LPG-2, G9, FPG-2, G9-2, and G9WD, which showcase the company’s commitment to innovation, quality, and efficiency.

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