Defective selection switch harness. Repair or replace harness.
not vend (does not indicate a sold-out).
Defective controller board. Replace board.
REFRIGERATION
1. Check connection. Defective temperature sensor.
2. Replace temperature sensor.
Refrigeration unit will not run.
Defective control board. Replace board.
Refrigeration unit will not run at all. No power to vendor. Check power supply, also check service cord connections.
Defective cabinet switch.
Open and close the door to make sure lights and fan come on. If not,
then check the cabinet switch.
Defective temperature sensor. Follow the same steps detailed above about the temperature sensor.
the 3 minute delay once the cabinet door is
closed.
Wait to see if unit comes on.
Unit will only run in the compressor relay test
mode. (Located under Test Mode)
Defective control board. If unit still does not come on, then replace the control board.
Defective control board. Unplug unit at power distibution panel. Remove air dam. Reconnect
power. Enable compressor relay through Test Mode. Check 2-pin
connection on power distribution for 110V.
Unit will not run in the compressor relay test
mode. **NOTE: Leave the compressor relay
test mode on, in order to check for voltage.
Upon opening the cabinet door, the lights and fans should shut off. If
they don't, replace the cabinet switch.
Defective cabinet switch. Upon opening the door, the display should read either errors,
summary sales, or none. If it does not, then replace the cabinet
switch.
Defective control board. Replace control board.
Refrigeration unit runs constantly.
Defective relay - contacts are welded together. Replace relay.
Overload protector inoperative. Check overload (apply insulated jumper across terminal, if
compressor starts, replace overload).
Compressor will not start.
Defective cabinet switch. Check for error codes. Replace cabinet switch.
Defective over load relay Replace the over load relay.
Compressor motor rocked Replace the refer unit.
Defective capacitor Replace the capacitor.
Compressor will not start, condenser fan motor
running - unit hot (power to compressor).
Defective PTC relay Replace the PTC relay.
Loss of refrigerant Replace the refrigeration unit.
Smashed tubings and capillary Replace the refrigeration unit.
Compressor starts but does not run.
Defective over load relay Replace the over load relay.
Loss of refrigerant Replace the refrigeration unit.
Smashed tubings Replace the refrigeration unit.
Defective drainage Make sure the drain hose is not kinked or clogged.
Defective temperature sensor Replace the temperature sensor.
Poor air flow Make sure nothing is sitting in front of the evaporator.
Defective control board Replace the control board.
Defective door seal Make sure the vend flap and gasket are not open.
Compressor runs but cabinet temperature
warm.
Defective heat exchange on condenser/ Blocking air
flow by dust, lint or fins damage
Clean the surface of the condenser fins or straighten the bent fins.
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