Bunn 41722.0000A manual Inconsistent beverage level, Surfaces can initiate corrosive, Leaks

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TROUBLESHOOTING (cont.)

 

PROBLEM

PROBABLE CAUSE

Inconsistent beverage level in

1. Strainer /flow control

dispenser

(If equipped)

2. Syphon System

3. Lime Build-up

CAUTION - Tank and tank com- ponents should be delimed regularly depending on local water conditions. Excessive min- eral build-up on stainless steel surfaces can initiate corrosive reactions resulting in serious leaks.

4. Water Pressure

Consistently low beverage level

1.

Timer

in the dispenser

 

 

 

2.

Strainer/flow Control

 

(If equipped)

Spitting or excessive steaming

1. Lime Build-up

 

CAUTION - Tank and tank com-

 

ponents should be delimed

 

regularly depending on local

 

water conditions. Excessive min-

 

eral build-up on stainless steel

 

surfaces can initiate corrosive

 

reactions resulting in serious

 

leaks.

 

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REMEDY

(A)Direction of flow arrow must be pointing towards the brewer.

(B)Remove the strainer/flow control and check for obstruc- tion. Clear or replace.

The brewer must be level or slightly lower in front to syphon properly.

Inspect the tank assembly for excessive lime deposits. Delime as required.

The water pressure to the brewer must be at least 20 psi (138kPa) and minimum 1.0 gpm flow rate.

Timer dial must indicate at least two minutes and fifteen seconds. Refer to Operating Manual.

(A)Direction of flow arrow must be pointing towards brewer.

(B)Remove the strainer/flow control and check for obstruc- tions. Clear or replace.

Inspect tank assembly for exces- sive lime deposits. Delime as required.

41722 070209

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Contents TB3/TB6 Series Phone 217 529-6601 FAX 217BUNN-O-MATIC Commercial Product Warranty Contents Probable Cause Remedy Brew cycle will not start No waterTo the brewer Probable Cause ProblemBrew cycle will not start Water is not hot Control Thermostat Tank HeaterReactions resulting in serious Inconsistent beverage levelSurfaces can initiate corrosive LeaksRefer to Service Timer for test- ing procedures Spitting or excessive steaming Dripping from sprayheadBeverage overflows dispenser Dry coffee grounds remain Funnel Brewer is making unusal noisesPlumbing Lines Water Supply Problem Probable Cause Remedy Brewer is making unusal noises Tank HeaterCont Tank heater Component Access Control ThermostatLocation Control thermostat is located in the hood Disconnect the control thermostat wires Adjust the control thermostat as requiredRemove all wires from limit thermostat termi- nals Limit ThermostatDisconnect the brewer from the power supply Tank Heater1680W-120V 1680W-100V 1680W-230V 29.0 33.7 Lighted ON/OFF Switch TB3/TB3Q Refer to -2 when reconnecting the wiresOrange light Switch Switch is located on the front control panelThrough four when the switch is in the oposite Position If continuity is present as described, replace the wiresStart Switches 37080.0001to T. StatInlet Valves BREW/DILUTION Timer TB3 & TB6 BREW/DILUTION Timer Triacs Triacs TH-1/MV-1 Brew solenoid TH-2/MV-2 Dilution solenoidDigital Brew Timer TB3Q & TB6Q Terminals ½ batch connectorWhite Red Neutral L2 Digital Timer Triacs Triacs MV-2 Brew solenoid output MV-1 LineSchematic Wiring Diagram TB3Q Volts AC Wire Single PhaseSchematic Wiring Diagram TB3, TB3B, TB3-LP Schematic Wiring Diagram TB3Q Schematic Wiring Diagram TB3Q W/SWEETENER & Empty BAG Detect Schematic Wiring Diagram TB6 Schematic Wiring Diagram TB6Q
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