V21 Parts & Service Manual
All V21 Identified Equipment
REV A – 10/2013
P/N: 1230476
ERROR
PROBABLE CAUSE
CORRECTIVE ACTION
Vendor appears
dead; no digital
display and no
lights.
Defective main harness or
secondary power harness to the
transformer.
Check transformer and fuse.
Control Board LED
Check power to control board. If there is power check LED. If LED is not
lit or is solid red, replace the control board.
Check if vend sensor is
unplugged.
Plug back in.
Space to sales has been cleared.
Reinitiate space to sales.
No digital display;
vendor lights on.
Defective display or display
harness.
Check display and display harness. Replace if necessary.
Check for a flashing red light on
control board.
If no light, replace control board.
Defective MDB harness.
Replace MDB harenss.
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 “Space to Sales”.
Defective control board.
Replace control board.
Display not
Functioning
correctly or dead.
Check connection.
Replace display and/or harness.
Refrigeration
Refrigeration unit
will not run.
Defective temperature sensor.
1. Check connection.
2. Replace temperature sensor.
Defective control board.
Replace board.
Refrigeration unit
will not run at all.
No power to vendor.
Check power supply, also check service cord connections.
Unit will only run in
the compressor
relay test mode.
(Located under
Test).
Defective door switch.
Open and close the door to make sure lights 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.
V21 T
roubleshooting Chameleon / Trade / HV3 | T1-17
