Bill Validator
Motor
Bill validator motor is
reported as defective
by validator.
No test available Replace bill acceptor.
Bill Validator
Jammed
Bill jammed --
reported by validator.
Check bill validator for obstructions or dirt. If no obstructions are apparent, replace bill validator.
Bill Validator
ROM
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 acceptor.
Bill Validator
Open
Bill validator is open. Check that bill cashbox is closed and in correct
position.
If cashbox appears to be OK, replace bill acceptor.
Bill Validator
Sensor
not functioning.
Check bill validator for obstructions or dirt. If no obstructions are apparent, replace bill validator.
Card Reader
If card re
ader/bill acceptor is being used, check
for "Coin Read Only Memory" or "Bill Read
Only Memory" errors.
If there is no "Coin Read Only Memory" or "Bill Read
Only Memory" error: 1) Check changer harness. 2)
Replace changer.
Card Reader
Communication
There is no card
reader
communication for 5
seconds.
Turn power switch off. Wait at least five
seconds. Turn power switch on.
If there is a "Coin Read Only Memory" or "Bill Read
Only Memory" error: 3) Check control board MdB
harness.
Card Reader Most recent "non-
transient error" from
the card reader.
No test available. Refer to card reader manual for corrective action.
Refrigeration
Temp Sensor The temperature
sensor is defective or
unplugged.
Verify the temperature sensor harness is
plugged into door harness at power box area.
Check for continuity on the sensor harness and the
sensor harness is plugged in properly.
If it still does not work, change the sensor probe.
Verify the 2 brown wires, # 11 & 12 pins for the
temperature sensor connection on the J7 plug
of Main Control Board are firmly positioned in
plug.
POWER DOWN. Remove J7 plug, push both brown
wires into the pins. POWER ON. Service Mode:
Configuration - Set 'Display Temperature' to 'on'.
Close outer door. You should see the temp begin to
lower once the refrigeration deck begins to cycle.
If the temperature does not drop, change the sensor
probe.
Compressor System has failed to
decrease
temperature 1° per
hour while the
compressor is
running.
Check refrigeration settings (refer to the
refrigeration section of programming manual).
Change settings if required.
Check whether the evaporator is frozen. Check seal around cabinet.
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