Bunn 392 manual Troubleshooting, Warning, Problem, Probable Cause

Models: 392

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TROUBLESHOOTING

A troubleshooting guide is provided to suggest probable causes and remedies for the most likely problems encountered. If the problem remains after exhausting the troubleshooting steps, contact the Bunn-O-Matic Technical Service Department.

Testing, and repair of electrical equipment should be performed only by qualified service personnel.

All electronic components have 120 volt AC or low voltage DC potential on their terminals. Shorting of ter- minals or the application of external voltages may result in electrical shock.

This brewer is heated at all times. Keep away from combustibles.

WARNING –

• Exercise extreme caution when servicing electrical equipment.

 

Unplug the brewer when servicing.

 

 

Follow recommended service procedures

 

PROBLEM

 

PROBABLE CAUSE

REMEDY

Beverage overflows decanter

Weak beverage

Dry coffee grounds remain in the funnel

1.

Decanter

The decanter must be completely

 

 

empty before starting a brew

 

 

cycle.

1.

Filter Type

BUNN® paper filters must be used

 

 

for proper extraction.

2.

Coffee Grind

A fine or drip grind must be used

 

 

for proper extraction.

3.

Sprayhead

A six-hole stainless steel spray-

 

 

head must be used for proper

 

 

extraction.

4.

Funnel Loading

The BUNN® paper filter must be

 

 

centered in the funnel and the

 

 

bed of ground leveled by gentle

 

 

shaking.

5.

Water Temperature

Place an empty funnel on an empty

 

 

dispenser beneath the sprayhead.

 

 

Initiate a brew cycle and check the

 

 

water temperature immediately

 

 

below the sprayhead with a ther-

 

 

mometer. The reading should not

 

 

be less than 195°F (91°C). Adjust

 

 

the control thermostat to increase

 

 

the water temperature. Replace if

 

 

necessary.

1.

Funnel Loading

The BUNN® paper filter must be

 

 

centered in the funnel and the

 

 

bed of grounds leveled by gently

 

 

shaking.

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Bunn 392 manual Troubleshooting, Warning, Problem, Probable Cause