Bunn TU3 service manual TROUBLESHOOTING cont, Problem, Dry tea leaves remain in the funnel, Remedy

Models: TU3

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TROUBLESHOOTING (cont.)

 

PROBLEM

PROBABLE CAUSE

Dry tea leaves remain in the funnel

1. Funnel Loading

Brewer is making unusual noises

1. Solenoid(s)

2. Plumbing Lines

3. Water Supply

4. Tank Heater

REMEDY

The BUNN¨ paper filter must be centered in the funnel and the bed of grounds leveled by gently shak- ing.

The nut on the solenoid(s) must be tight or it will vibrate during opera- tion.

Plumbing lines should not be rest- ing on the counter top.

(A)The brewer must be connected to a cold water line.

(B)Water pressure to the brewer must not exceed 90 psi (620 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 28

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Bunn TU3 service manual TROUBLESHOOTING cont, Problem, Dry tea leaves remain in the funnel, Remedy