Vendo V21, User Manual

Page: 88 / 93

T-7
Part #1169256 09/2008
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
confi guration. 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 fl ashing red. If
fl ashing, 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.
Short in coin mechanism. Replace coin changer/acceptor.
Acceptor is dirty or other problem
may exist (not tuned). Clean acceptor or contact your local coin mech dealer.
Defective control board. Replace control board.
No acceptance
or rejects a
percentage of
good coins. Coin return lever pressing down
on acceptor’s coin plunger. 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 tunable). 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 “CC” error). Check harness for cut wires or wrong/bad connections. Test each wire for
continuity or test to ground. If found to be defective, replace.
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.
Defective coin mech. 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 and during a sale.
Changer payout buttons are
disabled while door is closed or
while in Open-Door Sales Mode. Enter the Service Mode or access the Coin Payout Mode (“COIN”).
BILL ACCEPTANCE
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.