Bunn Silver JDF-4S Installation & Operating Manual page 24

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TROUBLESHOOTING (cont.)

PROBLEM

Dispense station

concentrate only

Dispense station

water only

PROBABLE CAUSE

Water solenoid

Concentrate out

Product pump not pumping

Pump not turning

REMEDY

Replace solenoid (24vdc) or check

wire connection between water

valve and main control board.

Replace refill concentrate container

or BIB

Check for proper counterclockwise

rotation of pump rollers. If coun-

terclockwise, replace pump tubing.

If clockwise, wire connection to

pump is reversed. Switch wires on

terminals.

A) Check speed setting on circuit

board and increase speed (turn

clockwise)

B) Check for d.c. power to pump mo-

tor. If yes, replace motor assy. If no,

check harness for proper continuity.

Then replace circuit board if needed.

44744.2 062912

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Silver jdf-2s