V21 Parts & Service Manual
All V21 Identified Equipment
REV A – 10/2013
P/N: 1230476
ERROR DESCRIPTION OF ERROR CODE CHECKING METHOD CORRECTIVE ACTION
SF
Scaling Factor error - one of the credit
peripherals has introduced a scaling factor
that is not compatible with the current
configuration.
Check the connections of
changer harness; make sure
changer is plugged in and
working.
Make corrections to harness or
replace the changer if
necessary.
IS
Machine's coin inlet sensor is blocked for
more than 1 minute.
Check changer harnessing for
cut, pinched or crimped wires.
Replace harnesses or changer.
Ib
3 successive coins are detected at the inlet
but do not make it into the changer in 10
seconds.
Check inlet for blockage. If
nothing is found, check
changer harnessing for cut,
pinched or crimped wires.
Clear blockage or replace
harness or changer.
ERROR PROBABLE CAUSE CORRECTIVE ACTION
Coin Acceptance/Payout (Record all errors for reference if SandenVendo America, Inc. Technical Service is required)
Coin
mechanism will
not accept
coins.
No power to control board.
Check to make sure the red LED on the control board is flashing
red. If flashing, check MDB harness connections. If connections
are good, replace changer.
Harness from coin mech to board is cut or
disconnected.
Use a meter and check each wire for continuity and ground.
Replace coin changer/acceptor.
Acceptor is dirty or other problem may
exist (not tuned).
Clean acceptor or contact your local coin mech dealer.
No acceptance
or rejects a
percentage of
good coins.
Coin return lever pressing down on
Make sure changer is mounted correctly and the coin return lever
is in the proper position.
Acceptor is dirty or foreign matter is in the
path.
Clean acceptor or contact dealer.
Coin changer is improperly tuned (if
turnable)
Contact manufacturer for tuning.
Defective control board. Replace/test control board.
Always accepts
coins but gives
erratic/no
credit.
If NO CREDIT: Defective harness between
coin mech and control board (will have
Check harness for cut wires or wrong/bad connections. Test each
wire for continuity or test to ground. If found to be defective,
If ERRATIC OR NO CREDIT: Acceptor or
coin mech.
Replace coin mech and test.
If NO CREDIT: Defective control board. Replace/test control board.
Changer will
not payout
coins.
Defective harness between coin mech and
control board.
Test vendor's manual coin payout. If vendor won't pay out using
the COIN mode or during sales, check harness for cuts, bad
continuity or wrong connections. If defective, replace and test.
Replace coin mech and test.
Defective controller board.
If coin mech won't payout coins manually in the COIN mode or
during the Sales Mode and the above two procedures have failed,
replace the control board and test payout both in the COIN mode
Changer payout buttons are disabled
while door is closed or while in Open-
Enter the Service Mode or access the Coin Payout Mode ("COIN").
Bill validator
will not pull bill
in.
No power to validator.
Turn off power switch. Wait for 10 seconds. Turn on power switch
and see if bill validator cycles. If not, check validator harnessing or
replace the bill validator.
Acceptance disabled by coin mech (if
present), or bad harnessing.
Make sure that the coin mech is plugged in (accepts coins) and
that the coin tubes have enough coins to enable bill acceptance.
Coin mech is not operative.
Make sure that the changer harnessing is correctly connected and
has continuity. Repair or replace if necessary.
Replace validator and test.
If validator accepts, bill validator was defective.
V21 Troubleshooting Chameleon / Trade / HV3 | T1-7
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