Dixie Narco DNCB 168, Parts Service Troubleshooting Manual

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2. If necessary, use a mild soap to loosen any dirt or grime. To prevent damage, DO NOT SCRUB or use a
brush or squeegee, as some signs have a clear ultraviolet resistant coating to prevent yellowing.
3. Repeat the above steps as necessary, then dry using a soft cloth to prevent spotting.
CABINET
1. Wash the cabinet with a good detergent or soap mixed in warm water.
2. Wax the vender often with a good grade of automobile wax.
3. Any corrosion inside the vender should be removed with fine steel wool and the area should be painted with
aluminum paint.
4. Repair any scratches on painted surfaces to prevent corrosion.
WARNING: THE COMPRESSOR ELECTRICAL CIRCUIT IS ALWAYS LIVE WHEN THE PLUG IS CONNECTED
TO AN ELECTRICAL OUTLET.
REFRIGERATION CONDENSER
1. Check the condenser periodically for dirt or lint build up.
2. Remove the build up with a brush or vacuum, or blow the dirt out of the condenser with compressed air and
approved safety nozzle.
3. Ensure nothing obstructs air intake at the bottom of the main door.
4. Ensure nothing obstructs air exhaust at the rear of the cabinet.
COIN ACCEPTOR
Follow the Coin Acceptor Manufacturer's instructions.
LUBRICATING THE VENDER
The vender refrigeration system does not require any field lubrication. The hermetic refrigeration system and fan motors
are manufactured with lifetime lubrication.
Temperature Control Adjustments
Adjustment #1 - Temperature Adjustment
Turn the adjustment clockwise for colder product and counter-clockwise for warmer product. This will change
the cut-out temperature only, the cut-in temperature remains constant.
Adjustment #2 - Altitude Adjustment
WARNING:
DISCONNECT POWER TO THE VENDING MACHINE BEFORE PROCEEDING
WITH THIS ADJUSTMENT.
The control is factory set for an altitude of 152 M (500 ft.). For higher altitudes, adjust the inside range screws to prevent
freeze-up of the product. Adjust the inside range screws as follows.
SIID VENDING
1. Problem:
Free vend on one column.
Troubleshooting: A) Check selection price.
B) Check for bad connections or broken, backed out, or crossed wires from vend motor to
control board.
C) Check for sticking select button.
D) Check control board.
2. Problem:
One motor continues to home with door closed, shows "COLJ" when "ErOr" routine is entered.
Troubleshooting: A) If using Mars Validator, ensure correct interface harness is used.
B) Check for bad connections or broken, backed out, or crossed wires from vend motor to
control board. (Note: Check wires on left side of vend motor cover.)
C) Check vend switch.