Bunn HC-3 TROUBLESHOOTING cont, Problem, Probable Cause, Remedy, Place an empty container beneath

Models: HC-3

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TROUBLESHOOTING (cont.)

 

 

PROBLEM

PROBABLE CAUSE

REMEDY

Product overflows container

1. Dispense switch

Refer to Service - Dispense

 

 

Switch for testing procedures. See

 

 

page 18

 

2. Dispense solenoid valve

Remove the solenoid valve and

 

(Hot or Cold)

clear any obstructions. Rebuild or

 

 

replace the valve if necessary. See

 

 

page 30 or 31

Weak product

1. Water temperature

Place an empty container beneath

 

 

the dispense tip. Initiate a dispense

 

 

cycle and check the water tempera-

 

 

ture immediately below the dispense

 

 

tip with a thermometer.

 

 

(A) Reading for mechanical thermo-

 

 

stat models should be 180° F to 200° F

 

 

(see thermostat temperature settings

 

 

decal in USER NOTICES on page 3.

 

 

(B) Reading for electronic thermo-

 

 

stat should be185° F to 190° F.

 

 

Adjust the control thermostat to in-

 

 

crease or decrease the water tem-

 

 

perature. Replace if necessary.

 

2. Whipper motor

Refer to Service - Whipper Motor for

 

 

testing procedure. See page 20

 

3. Frother

Refer to Service - Frother Compo-

 

 

nents. See page 20

 

4. Dispense solenoid valve

Refer to Service - Dispense Solenoid

 

(Hot or Cold)

Valve for test procedures. See page

 

 

30 or 31

 

5. Auger drive

Refer to Service - Auger Drive Com-

 

 

ponents. See page 12

 

6. Auger spring

Refer to Service - Auger Drive Com-

 

 

ponents. See page 12

 

7. Auger motor

Refer to Service - Auger Drive Com-

 

 

ponents. See page 14

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27591 031597

 

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Bunn HC-3 service manual TROUBLESHOOTING cont, Problem, Probable Cause, Remedy, clear any obstructions. Rebuild or