Bunn Dual TF BrewWISE DBC Guía para resolver problemas descargar pdf (Pagina 25)

Bunn-O-Matic Corporation

Equipment will not operate. 1. No power or incorrect volt-

age.

Measure the voltage at the terminal

blockandconrmthatitmatchesthe

voltagespeciedonthebrewerdata

plate within +/- 10%.

Brew cycle will not start. 1. No water Check plumbing and shut-off valves

“ “ 2. ON/OFF switch Test the ON/OFF switch. Refer to the

Test Switches in SERVICE TOOLS

section.

“ “ 3. Brew switch Test the BREW switch. Refer to the

Test Switches in SERVICE TOOLS

section

“ “ 4. Brew Valve Test the Brew valve. Refer to Test Out-

puts in SERVICE TOOLS section.

“ “ 5. Electronic Control Board Substitute a control board known to

be in good working order.

Automaticrellwillnot

operate or display shows

“FILL TIME TOO LONG”.

1. no water Check plumbing and shut-off valves

“ “ 2.Waterstrainer/owcontrol

(.750 GPM)

(A)Directionofowarrowmustbe

pointing towards direction of water

ow.

(B)Removethestrainer/owcontrol

and check for obstructions. Clear or

replace.

“ “ 3.RellProbeorSensitivity

Setting

Check the sensitivity setting. Refer to

RellThresholdsectioninthismanual.

“ “ 4.RellValve TesttheRellvalve.RefertoTesting

Individual Components.

“ “ 5.OverowProtectionSwitch When this condition occurs, the

brewer will display OVERFLOW CUP

FULL. EMPTY CUP. The reason for

overllingcouldbeadefectiverell

valve, an incorrect sensitivity setting,

(see above) or boiling

“ “ 6. Electronic Control Board Substitute a control board known to

be in good working order

Waterowsintotank

continuously with power

removed from brewer.

1.Rellvalve Foreign material lodged in valve,

holding it in open state

Waterowsintotank

continuously with power

applied to brewer

1.RellProbeorSensitivity

Setting

Check the sensitivity setting. Refer to

RellThresholdsectioninthismanual.

“ “ 2. Electronic Control Board Substitute a control board known to

be in good working order.

Water will not heat or dis-

play shows HEATING TIME

TOO LONG

1. Limit Thermostat

CAUTION - Do not eliminate

or bypass limit thermostat.

Use only replacement part

#23717.0003

Remove power from the brewer.

Press reset button on limit thermostat.

Then check for continuity

through it.

probleM probable cause reMedy

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Bunn Dual TF BrewWISE DBC Guía para resolver problemas Pagina 25

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