Bunn AFPO-3, AFPO-2 SL service manual Troubleshooting

Page 8

TROUBLESHOOTING (cont.)

 

 

PROBLEM

PROBABLE CAUSE

REMEDY

Product will not dispense (cont.)

6. Main ON/OFF switch

Refer to Service - Main ON/OFF

 

 

Switch for testing procedure. See

 

 

page 12

 

7. Probe box LOW/OFF/HIGH

Refer to Service - Probe system. See

 

switches

page 13

 

8. Circuit board

Refer to Service - Circuit Board for

 

 

testing procedures. See page 10

 

9. Vacuum switch

Refer to Service - Vacuum switch for

 

 

testing procedures. See page 21

 

10. Vacuum/Supply pump

Refer to Service - Vacuum/Supply

 

 

pump for testing procedures. See

 

 

page 19

 

11. Pump (flavor) start switches

Refer to Service - Pump (flavor) start

 

 

switches for test procedures. See

 

 

page 14

Incorrect mix ratio

1. No water

Water lines and valves to the dis-

 

 

penser must be open.

 

2. Needle valve

Refer to Setup - Mix Ratio Adjust-

 

 

ments for adjustment. See page 4

 

3. Solenoids

Refer to Service - Solenoids for test

 

 

procedures. See page 16

Motor thermal cutout (motor stops

1. Motor overheat

The thermal switch will reset, but

running)

 

requires up to 30 minutes of cooling

 

 

time. See NOTE below

NOTE: This refill unit should not be used to initially fill the hopper. Running the motor for extended periods will trip the thermal switch. The thermal switch will reset, but requires up to 30 minutes of cooling time.

8

28791 040501

 

Image 8
Contents Post Office BOX SPRINGFIELD, Illinois Phone 217 529-6601 FAX 217User Notices WarrantyIntroduction Electrical Requirements Electrical Hook-UpPlumbing Requirements Initial SET-UPInitial SET-UP Cleaning Recommended Weekly CleaningMIX Ratio Adjustments MIX Ratio ADJUSTMENTScont Time for Flavor Output 1/2 cup Time for Water Output 1 cupMain Power ON/OFF Refill Circuit ON/OFFTEST/OPERATE Probe Control BOX LOW/OFF/HIGHTroubleshooting Problem Probable Cause RemedyTroubleshooting Component Access ContentsCircuit Board Connector Location Circuit BoardFuse and Fuse Holder LocationService Main ON/OFF SwitchProbe System MovingPump Flavor ON/OFF Switches #1 AFPO-2#2 AFPO-2 #3 AFPO-3 onlyRefill Switches Refill Switches#2 AFPO-2 #3 AFPO-3 OnlySolenoid Water ON/OFF Switches Solenoid Water ON/OFF SwitchesTEST/OPERATE Switch Terminals VACUUM/SUPPLY Pump Assembly Pump Motor Removal and ReplacementVACUUM/SUPPLY Pump Tube Installation Tubing Start PositionVacuum Switches Vacuum SwitchesPiping Diagram AFPO-2 Schematic Wiring Diagram AFPO-2 Schematic Wiring Diagram AFPO-3 Schematic Wiring Diagram AFPOA-2
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AFPO-2, AFPO-2 SL, AFPO-3 specifications

The Bunn AFPO-2 SL, AFPO-3 SL, and AFPO-3 are advanced coffee brewing systems that cater to the needs of commercial establishments seeking efficiency and high-quality coffee production. These machines are designed for ease of use, high throughput, and flexibility, making them ideal for coffee shops, restaurants, and workplaces.

The Bunn AFPO-2 SL is known for its dual-brew capabilities, allowing users to brew coffee and tea simultaneously. This model features a sleek, stainless-steel design that fits well in various settings. It comes equipped with an electronic controls interface that ensures precise brewing temperatures and times, enabling baristas to consistently produce flavorful coffee. The AFPO-2 SL has a brewing capacity of up to 3.8 gallons per hour, making it suitable for high-demand environments.

Another standout model is the Bunn AFPO-3 SL, which builds upon the features of the AFPO-2 SL with an increased brewing capacity of up to 4.5 gallons per hour. This model includes a programmable digital control module, which allows users to customize brew cycles for different coffee blends, enhancing versatility. The AFPO-3 SL is designed with stainless-steel construction, ensuring durability and longevity while maintaining easy cleaning and maintenance routines.

The hallmark of the Bunn AFPO-3 is its single-serve capability, which provides a fresh-brewed experience for every cup. With advanced technology that ensures optimal water temperature and flow rate, the AFPO-3 guarantees rich and robust flavors in every pour. This model is ideal for establishments that want to offer their customers a variety of coffee options without sacrificing quality or speed. It also features an intuitive user interface, allowing staff to operate the machine with minimal training.

All three models are equipped with a built-in hot water tap, providing instant access to hot water for tea or other beverages, further increasing their utility in busy environments. The Bunn AFPO series is known for its reliability, with heavy-duty components that withstand the rigors of daily use.

In summary, the Bunn AFPO-2 SL, AFPO-3 SL, and AFPO-3 represent the pinnacle of brewing technology in the commercial coffee market. With their advanced brewing capabilities, user-friendly designs, and robust construction, these machines are perfectly suited for any establishment that values quality coffee and operational efficiency.