Crane Snack Eenter I - Page 27

Snack - Based Troubleshooting and Repair Guide
September, 2002 Page 23 of 54 1670065
Validator takes
bills then rejects
them.
Improper
configuration.
1. Verify the machine is configured
for the validator which is installed.
Program-
ming Guide
a. If necessary, configure the
machine properly.
Equipment failure.
2. Clean the validator.
Validator
User
Manual
3. Check for proper connections and
for proper power. Replace appro-
priate items one by one until prob-
lem is solved.
a. Replace the validator.
Bill
Validator on
page 51
b. Replace the harness from the
validator to the main controller
PCB.
c. Replace the main controller
PCB.
Controller
Board on
page 39
Status LED on
controller board
does not blink;
power LED is illu-
minated.
Bad EPROM
1. Replace EPROM with a known
good one.
EPROM
replacement
on page 2
Bad RAM or con-
troller board.
2. Replace controller board.
Controller
Board on
page 39
Power LED is not
illuminated.
Controller board is
not receiving 24
VDC.
1. Using the wiring diagram, check
for proper voltages.
a. Tripped low voltage breaker
b. Replace bad harness(es).
c. Replace power panel.
Power Panel
Assembly
page 37
Table 1. Possible Failures (Symptoms) - Continued
SYMPTOM
POSSIBLE
FAILURE(S)
DO THIS: REFER TO: