Bunn JDF-4S concentrate only, water only, TROUBLESHOOTING cont, Problem, Probable Cause, Remedy

Models: JDF-4S

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TROUBLESHOOTING (cont.)

 

 

PROBLEM

PROBABLE CAUSE

REMEDY

Dispense station

Water solenoid

Replace solenoid (24vdc) or check

concentrate only

 

wire connection between water

 

 

valve and main control board.

Dispense station

Concentrate out

Replace refill concentrate container

water only

 

or BIB

 

Product pump not pumping

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.

 

Pump not turning

A) Check speed setting on circuit

 

 

board and increase speed (turn

 

 

clockwise)

 

 

B) Check for d.c. power to pump

 

 

motor. If yes, replace motor assy. If

 

 

no, check harness for proper con-

 

 

tinuity. Then replace circuit board

 

 

if needed.

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44744 032811

 

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Bunn JDF-4S service manual concentrate only, water only, TROUBLESHOOTING cont, Problem, Probable Cause, Remedy