TROUBLESHOOTING (CONT.)

PROBLEM

Dispenser is making unusual noises

Excess dust

Display not lit

PROBABLE CAUSE

REMEDY

1.

Plumbing Lines

Plumbing lines should not be rest-

 

 

ing on the counter top.

2.

Water Supply

(A) The dispenser must be connected

 

 

to a cold water line

 

 

(B) Water pressure to the dispenser

 

 

must not exceed 90 psi (620 kPa).

 

 

Install a regulator if necessary to

 

 

lower the working pressure to ap-

 

 

proximately 50 psi (345 kPa).

3.

Tank Heater

Remove and clean lime off the tank

 

 

heater. See page 33

1.

Fan

Refer to Service - Fan for testing

 

 

procedures. See page 19

2.

Hopper Delay Board

Refer to Service - Hopper Delay

 

 

Board for testing procedures. See

 

 

page 22

3.

Transformer (240V 2 Wire

Refer to Service - Transformer for

Models Only)

testing procedures. See page 35

1.

Lamp

Refer to Service - Lamp, see page

 

 

24 for lamp replacement.

2.

Lamp Holder

Refer to Service - Lamp Holder for

 

 

testing procedures. See page 24

3.

Starter - Lamp

Refer to Service - Starter for

 

 

testing procedures. See page 25

4.

Ballast

Refer to Service - Ballast for

 

 

testing procedures. See page 15

11

27591 061500

 

Page 11
Image 11
Bunn HC-3 service manual Troubleshooting Problem, Probable Cause Remedy