Instructions for the installer, maintenance
technician and final user
Page 52 of 54
© SandenVendo Europe SpA
System vibrates or is noisy
Various components touch each
other
Check fans and motors.
Clean any dirt.
Loose sheets or wiring, loose
screws.
Aged or worn elbow
Low voltage
Damaged valves
Short work cycles
Temperature sensor defective or
installed in the wrong place.
Check wiring and sensor integrity.
Check sensor position.
Defective control unit
Replace
Temperature set too hot
Check paragraph on how to set the
control unit.
System remains in operation for a
long time or continuously
Defective temperature sensor or
mounted in the wrong place
Check integrity of harness and
sensor.
Check sensor position.
Defective relay
Not enough air circulation
Check the ventilation grid
Door gasket does not seal properly
Check gasket and replace if
necessary.
Charged hot products. After the
filling of the vending machine, the
refrigeration system takes longer to
lower the temperature of the
products.
Short circuit of the refrigerant
system or its components
Defective control unit
Replace
Ambient temperature and relative
humidity higher than those
indicated for standard operations.
Lack of gas in the cooling system
due to some leaks.
The fans do not allow the air to
circulate inside the distributor
Check the ventilation channels of
the distributor.
Temperature too cold
Defective temperature sensor
Check integrity of harness and
sensor.
Temperature set too cold
Check paragraph on how to set the
control unit.
Defective relay
Defective control unit
Replace
