SERVICE (Cont.)

Membrane Switches (Models FPG-2 & G9-2 DBC)

FIG 58 MEMBRANE SWITCH

Location:

The membrane switch is located on the front of the hopper housing.

Test Procedures:

NOTE: Before continuing, check that the ribbon cable is properly connected to the control board and not a pin off in either direction.

1.Disconnect the dispenser from the power source.

2.Remove the rear panel and disconnect ribbon cable.

3.Check for continuity of the switches using pin #1as common.

A1

- #5

Grind

A2

- #6

Stop

B2

- #10

Hidden Button "Right"

C1

- #2

Large Batch Size "Left"

C2

- #3

Medium Batch Size "Left"

C3

- #4

Small Batch Size "Left"

C4

- #9

Large Batch Size "Left"

C5

- #8

Medium Batch Size "Left"

C6

- #7

Small Batch Size "Left"

 

- #1

Nuetral

If continuity is not present when the appropriate switch is pressed, the Membrane Switch must be replaced. If continuity is present, chech the short harness going to J6 on the Control Board.

Removal and Replacement

1.Disconnect the grinder from the power supply.

2.Remove the rear access panel.

3.Disconnect the membrane switch harness from the control board.

4.Carefully peel the membrane switch from the front of the switch bezel.

5.Remove any excess adhesive from the bezel sur- face.

6.Remove the backing from the new membrane switch.

7.Feed the membrane switch harness through the openning and apply the new membrane switch to the switch bezel.

8.Connect the switch harness to the control board.

To Control Board J6

 

 

SHIELD

 

 

 

 

 

 

 

 

11

 

 

 

 

 

1

B2

C4

C5

C6

A2

A1

C3

C2

C1

 

 

SWITCH UNIT ASSY

 

 

 

FIG 59 MEMBRANE SWITCH

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Bunn LPG-2, G9WD, G9-2T DBC, G1, FPG-2 service manual Membrane Switch, Nuetral

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.

The Bunn LPG-2 is an ideal solution for high-volume coffee production. This model features a two-watt heating element that ensures rapid brew cycles and consistent temperature control. With a sleek design and user-friendly interface, the LPG-2 simplifies the brewing process while delivering exceptional coffee quality. Its large capacity enables institutions to serve multiple customers simultaneously, making it suitable for restaurants, cafes, and hotels.

The G9 series, particularly the G9 and G9-2, are known for their versatility and robust performance. Both models come equipped with a stainless steel hot water faucet, allowing users to draw hot water for various applications such as tea or soup preparation. The G9 model is designed for single-brew operation, while the G9-2 accommodates dual brewing, making it an efficient choice for those needing to meet demand quickly. Additionally, both G9 models have advanced brewing technology to ensure optimal flavor extraction.

The FPG-2 model stands out for its precision and control over brewing parameters. It features a touchscreen interface that allows users to customize brew strength and temperature, ensuring that each cup meets individual preferences. The FPG-2 is also remarkably user-friendly, which is essential in a busy environment. Its dual-brew functionality allows it to serve two different coffee options simultaneously, enhancing service efficiency.

The G9WD is designed for those who require the ultimate convenience. Featuring a built-in water line connection, the G9WD minimizes the need for manual refilling, ensuring a continuous supply of fresh coffee. This model is equipped with a programmable timer, allowing users to set brew cycles in advance, which can be a significant time-saver during peak hours.

In summary, the Bunn LPG-2, G9, FPG-2, G9-2, and G9WD offer a range of features that cater to various coffee brewing needs. With advanced technologies, efficient designs, and user-centric interfaces, these models are engineered to deliver consistent, high-quality beverages, making them essential tools for any coffee-focused establishment. Whether for high-volume brewing or versatile beverage options, Bunn's offerings stand out in the competitive landscape of beverage equipment.