Snack - Based Troubleshooting and Repair Guide
1670065 Page 22 of 54 September, 2002
Multiple errors
following an elec-
trical storm.
Bad EPROM or
main controller or
Scrambled RAM
1. Clear RAM
2. Replace main controller.
Controller
Board on
page 39
Bill validator
won't accept bills;
validator
inoperative.
Improper
configuration.
1. Verify that the validator cycles
upon machine power-up.
2. Verify the machine is configured
for the validator which is installed.
Program-
ming Guide
a. If necessary, configure the
machine properly.
3. Check for proper switch settings
on the validator.
Validator’s
User
Manual
Equipment failure. 4. 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
Table 1. Possible Failures (Symptoms) - Continued
SYMPTOM
POSSIBLE
FAILURE(S)
DO THIS: REFER TO:
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