Bunn FMD-4 User Guide

12

Dispenser is making unusual 

noises

Excess dust

Display not lit

1. Plumbing Lines

2. Water Supply

3. Tank Heater

1. Fan

1. Lamp

2. Lamp Holder

3. Starter - Lamp

4. Ballast

Plumbing lines should not be resting 

on the counter top.

(A) The dispenser must be connected 

to a cold water line

(B) Water pressure to the dispenser 

must not exceed 100 psi (690 kPa). 

Install  a  regulator  if  necessary  to 

lower the working pressure to ap-

proximately 50 psi (345 kPa).

Remove and clean lime off the tank 

heater. See page 38

Refer to Service  - Fan for testing 

procedures. See page 25

Refer to Service -  Lamp, see page 

29 for lamp replacement.

Refer to Service - Lamp Holder for 

testing procedures. See page 29

Refer to Service - Starter for testing 

procedures. See page 30

Refer to Service - Ballast for testing 

procedures. See page 18

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