V21 Parts & Service Manual
All V21 Identified Equipment
REV A – 10/2013
P/N: 1230476
Error
DESCRIPTION OF ERROR CODE
CHECKING METHOD
CORRECTIVE ACTION
Dollar Bill Validator
bC
Bill validator communications - No
bill validator communication for 5
seconds.
If changer or card reader is being
used, check for “CC” or “rC” errors.
If there are no “CC” or “rC” errors:
Turn off door switch and wait at least
five seconds. Turn on door switch.
1) Check bill validator harness; 2)
Replace bill validator. If there is a
“C” or “rC” error: 1) Check control
board MDB harness.
bFUL
Bill validator full - reported by
validator (STACKER command).
Insure bill cashbox is empty and that
the cashbox is properly closed and in
place.
If cashbox appears to be OK, replace
bill validator.
biLL
Bill validator motor is reported as
defective by validator.
No test available.
Replace bill validator.
bJ
Bill jammed -- reported by validator.
Check bill validator for obstructions or
dirt.
If no obstructions are apparent,
replace bill validator.
brCH
Bill validator check sum is incorrect.
Turn power switch off. Wait at least
five seconds. Turn power switch on.
Manually clear the error.
If error does not clear, replace bill
validator.
bOPn
Bill validator is open.
Check that bill cashbox is closed and
in correct position.
If cashbox appears to be OK, replace
bill validator.
bS
Bill validator sensor is not
functioning.
Check bill validator for obstructions or
dirt.
If no obstructions are apparent,
replace bill validator.
Card Reader
CrC
There is no card reader
communication for 5 seconds.
If card reader/bill acceptor is being
used, check for “rC’ or “bC” errors.
If there is no “rC” or “bC” error: 1)
Check changer harness. 2) Replace
changer.
Turn power switch off. Wait at least
five seconds. Turn power switch on.
If there is a “rC” or “bC” error: 3)
Check control board MDB harness.
CrXY
Most recent “non-transient error”
from the card reader.
No test available.
Refer to card reader manual for
corrective action.
Refrigeration
SENs
The temperature sensor is defective
or unplugged.
Check to see that temperature sensor
harness is plugged into door harness
at air dam area.
If the sensor is unplugged, replug it.
Check for temperature sensor
connection J7 on control board is
plugged in.
CnPr
System has failed to decrease
temperature 1° per hour while the
compressor is running.
Access relay mode (refer to
programming manual).
Refer to the refrigeration section on
the following pages.
Check refrigeration settings (refer to
refrigeration section of programming
manual).
Change settings as required.
Htr
Heater system has failed to increase
temperature 1° per hour while
heater is on.
Heater circuit not properly wired.
Check electrical connections.
Bad sensor on heater circuit.
Replace sensor.
Defective heating element.
Replace heating element.
Miscellaneous Problems
ds
Door has been open for more than
one hour.
Check the vendor’s door switch to see
if it’s sticking or miswired.
Replace the door switch, if defective.
Ran
Ram check sum for service mode
settings stored in non-volatile
memory has been corrupted.
No test available.
If error shows up frequently, replace
the control board.
ACLO
AC voltage to the controller is low
for more than 30 seconds.
Check for low voltage at the wall
outlet at unit start-up.
Contact a qualified electrician.
V21 T
roubleshooting Chameleon / Trade / HV3 | T1-6
