GBA ST2 - Troubleshooting Common Issues; Problem Symptom Analysis and Solutions

GBA Global Bill Acceptors GBA ST2
Operations Manual
Page 21 of 25
Astrosys International Ltd
January 2009
GBA ST2 Op Manual V1.01
Order of precedence of Error Codes:
There may be situations where more than one fault/operating condition is applicable, in which case
the order of precedence of displaying the codes is as follows:
1. Note Jam / Stacker Full (solid red)
2. Anti-String Gate Lock-out (fast flash red)
3. Calibration Mode (flash red / green)
4. Cash Box Missing (slow flash red)
5. Validator Master Inhibit On (slow flash green)
10.2 Troubleshooting
The following information is presented for customers’ guidance in identifying problems with the
GBA ST2. It does not necessarily cover every possible situation.
Problem Symptoms Possible Cause Investigate Possible Solution
Unit does not work - belt
motor does not run, no LED
colour
1. Power supply not
switched on.
2. Power supply not
connected.
3. Poor electrical
connection(s).
4. Unit carrying out self-test.
5. PSU failure
1. Power supply and power
cable.
2. Diagnostics indicator or
illuminated note guide (if
fitted).
3. Interface cable assembly.
1. Ensure power to
validator is connected
and turned on.
2. Ensure Interface cable
is connected firmly and
correctly.
All programmed notes are
rejected
1. Acceptance inhibited for
all notes.
2. MASG not working.
3. Escrow sensor not
working.
1. Software configuration.
2. Internal MASG
1. Use on-board button or
GBA Talk to enable
required notes.
2. Ensure internal MASG
moves freely and is clear
from obstruction.
Poor or no acceptance of
one or more programmed
notes
1. Note acceptance
inhibited.
2. Poor sensor readings.
3. Insufficient power supply
capacity.
1. Note inhibit settings.
2. Bottom Sensor Assembly
fitting.
3. Note path cleanliness.
1. Use on-board button or
GBA Talk to enable
required notes.
2. Use GBA Talk to check
sensor levels and re-
calibrate if necessary.
3. Clean validator note
path.
Unit does not communicate
with host machine
1. Incorrect interface
selected.
2. Poor electrical
connection(s).
1. Configuration of validator.
2. Interface cable assembly.
1. Use on-board button or
GBA Talk to select
required interface.
2. Ensure Interface cable
is connected firmly and
correctly.
Belt motor runs
continuously after power
ON
1. Poor electrical
connection(s)
1. Internal harnessing. 1. Ensure Interface cable
is connected firmly and
correctly.
Unit does not provide credit
for accepted note
1. Incorrect interface
selected.
2. Poor electrical
connection(s).
1. Configuration of validator.
2. Interface cable assembly.
1. Use on-board button or
GBA Talk to select
required interface.
2. Ensure Interface cable
is connected firmly and
correctly.