Vendo V21, User Manual

Page: 90 / 93

T-9
Part #1169256 09/2008
ERROR PROBABLE CAUSE CORRECTIVE ACTION
No digital display;
vendor lights on. Defective display or display
harness. Check display and display harness. Replace if necessary.
Check for a fl ashing red light
on control board. If no light, replace control board.
Vendor scrolls
message on
display but does
not accept money. Changer out of tune. See “Tuning Changer”.
Defective changer. Replace changer.
Defective control board. Replace control board.
Vendor accepts
money but does
not credit. Defective changer. Replace changer.
Defective control board. Replace control board.
Vendor accepts
and credits money
but does not vend
(does not indicate
a sold-out). Defective selection switch Replace switch
Defective selection switch
harness Repair or replace harness.
Defective control board. Replace control board.
Vendor delivers
wrong product. Vendor loaded wrong. Correct loading.
Vendor space-to-sales set
wrong. See “StS”.
Defective control board. Replace control board.
Flashing 8888’s on
the LED. Chips on control board not
seated properly. Seat the chips down properly
Bad LED connection. Replace LED and/or harness.
Defective control board. Unplug everything from the board except the LED and power in. If the 8888’s
remain then replace the control board.
Defective components. If the 8888’s have disappeared from the previous step, then begin plugging in
harnesses one at a time. Replace whatever causes the 8888’s to reappear. Be
sure to power down each time you plug in a harness.
Solid 8888’s on the
LED. Defective LED. Replace LED and/or harness.
Defective control board. Replace control board.
Refrigeration
Refrigeration unit
will not run even
at the specifi c
temperature No power or insuffi cient to
refrigeration unit Check power supply and connection to see if each component gets the specifi c
voltage of power. Replace parts and line if necessary.
Defective temperature
sensor Replace temperature sensor
Defective relay Replace the refrigeration relay
Defective control board Replace board
Unit will only run
in the compressor
test mode.
(Located under
tEST) Defective door switch. Open and close the door to make sure lights and fan come on. If not, then
check the door switch.
Defective temperature
sensor Follow the same steps detailed above about the temperature sensor.
Wait the 3 minute delay once
the door is closed Wait to see if unit comes on.
Defective control board If unit still does not come on, then replace the control board
Unit will not
run even in the
compressor
test mode.
**NOTE: Leave the
compressor test
mode on
in order to check
for voltage. Defective door switch. Upon opening the door, the lights and condenser fan motors should shut off. If
they don’t replace the door switch.
Defective control board Replace the board.
Refrigeration unit
runs constantly. Defective door switch. Upon opening the door, the lights and compressor should shut off. If they don’t
replace the door switch.
Defective control board Replace the board.
Defective relay Replace the refrigeration relay
Condenser fan
motor doesn’t run. Defective condenser fan
motor Replace the motor
Bad connection Check the connection and lines
Defective relay Replace the condenser motor relay