Bunn TU3Q Manuel d'utilisateur télécharger pdf (Page 10)

Page 10

TROUBLESHOOTING (cont.)

PROBLEM

PROBABLE CAUSE

REMEDY

Brew cycle will not start (cont.)

Water is not hot

Dilution cycle will not start

Inconsistent beverage level in

dispenser

6. Brew Timer

7. Brew Solenoid Valve

1. Limit Thermostat

CAUTION - Do not eliminate or by-

pass limit thermostat or thermal

cut-off. Use only BOM replacement

part #29329.1000

2. Control Thermostat

3. Tank Heater

1. ON/OFF (UNSWEET/OFF/SWEET)

Switch

2. Start Switch

1. Syphon System

2. Lime Build-up

CAUTION - Tank and tank compo-

nents should be delimed regularly

depending on local water condi-

tions. Excessive mineral build-up

on stainless steel surfaces can ini-

tiate corrosive reactions resulting

in serious leaks.

3. Water Pressure

Refer to

Service

- Brew Timer for

testing procedures. See page 16 or

17.

Refer to

Service

- Brew Solenoid

Valve for testing procedures. See

page 15.

Refer to

Service

- Limit Thermostat

for testing procedures. See page

20.

Refer to

Service

- Control Thermo-

stat for testing procedures. See

page 19.

Refer to

Service

- Tank Heater for

testing procedures. See page 23.

Refer to

Service

- ON/OFF Switch

for testing. See page 21. For OFF/

SELECTOR switch See page 25.

Refer to

Service

- Start Switch for

testing procedures. See page 22.

The brewer must be level or slightly

lower in front to syphon properly.

Inspect the tank assembly for ex-

cessive lime deposits. Delime as

required.

The water pressure to the brewer

must be at least 20 psi (138 kPa).

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