Troubleshooting; Introduction; Troubleshooting Overview; Fault Table Listings - JCM GLOBAL DBV Series Integration Manual

8 TROUBLESHOOTING

This section provides troubleshooting instructions
for the DBV-400 Banknote Validator Units, includ-
ing the following information:

• Introduction

• Troubleshooting Overview

• Fault Table Listings

• LED Indication Conditions
Introduction
Most Banknote Validator failures result from minor
causes. Before replacing any parts, be sure that all
assembly and circuit board connectors are properly
fitted, with their harnesses properly connected.
Poor performance by the DBV-400 Banknote Vali-
dator is often caused when dust or foreign objects
adhere to the sensors or transport belt. Clean the
Banknote insertion section first, then carefully
observe the operating state of the Validator when
re-initializing power. This observation is important
Symptoms/Error
Possible Fault Causes
Messages
No external Power is applied to
Banknote Validator is
not working
(does not accept any
Banknotes)
A pressure Roller is dirty or
A pressure Roller Spring is
A foreign object is lodged in
the Transport path and/or
Banknote jams occur
often
The Validator Guide is not
properly seated all the way
Banknote is wider than 72 mm
Rollers, Belts and Lenses.
disassembled, and calibration
Acceptance rates
The wrong Software version
or an older Software version
Software not designed to
accept current Banknotes
P/N 960-000175R_Rev. A {EDP #233426}
®
DBV Series Banknote Validator (DBV-400) Integration Guide

Table 19 General Fault Conditions

Verify that the Power Supply +12/24V DC and Ground Cables are connected
the Banknote Validator
to their appropriate Pins on the main connector.
(+12/24V DC & GND)
Verify that all Harness Connectors are properly seated.
Wrong or inappropriate
Check for any bent, missing or damaged Pins in the Connector Plugs and
connections
mating Receptacles.
Corrupted Software.
Re-download the correct Software.
Conduct an Initial Operational Test. If the test result is Negative (NG), replace
CPU Board failure.
the CPU Board. Make sure to re-calibrate the Sensors after CPU Board is
replaced.
Clean all Pressure Rollers.
damaged.
Replace as necessary.
Check all Pressure Roller Springs using a finger pressure test.
loose or missing.
Replace as necessary.
Clean the Transport path and remove any foreign object discovered.
inside the Cash Box.
Re-seat the Validator Guide into the DBV-400 Unit so it is firmly seated all the
way into the Frame. Ensure the Validator Guide Release Lever Latches are
into the DBV-400 Unit
securely locked onto the Frame.
Use only Banknotes widths having the correct DBV-400 Unit's size
or narrower than 60mm. specifications.
Dirt and/or stains on the
Clean the Transport path. Refer to "Preventive Maintenance" on page 16.
The Unit has been
adjustments have not
Calibrate the Sensors after reassembling the DBV-400 Unit.
occurred following a
reassembly.
Make sure that the programmed Software is the latest version, and it
supports the Currency values for the specific Country.
is being used.
Check the particular specifications for the required Banknote Type
Acceptance, and make sure the Banknotes will be accepted by the Software
loaded (e.g., check denomination/issuing year).
in locating any causes of failure and the possible
fault location.
Perform all repairs by referring to Calibration and
Testing in Section 6 of the DBV-400 Service Man-
ual, and the Disassembly/Reassembly instructions
in Section 4 of the DBV-400 Service Manual.
Troubleshooting Overview
This product allows the operator to perform fault
diagnosis by checking various Fault Table Listings
against the symptoms. Survey the cause(s) of any
failure occurrences during the process.
After determining the cause of the failure, execute
the Performance Test, and then repair the unit
replacing any appropriate parts necessary.
Fault Table Listings
Table 19 lists the various possible DBV-400 Unit
fault conditions that can occur and the necessary
actions required to correct them.
Corrective Action Required
© 2014, JAPAN CASH MACHINE CO., LTD.
2 9