SEM The Vending Tester PRO CT3, Instruction Manual

Page: 11 / 32

11
Testing Logic / MicroMech / Dumb Mech
coin changers
12 or 15 pins; 24 or 117 VDC
There are two ways to go through the testing of a Logic / MicroMech /
Dumb Mech coin changer. If you are a vending operator without deep
technical background, you may choose the AUTO-TEST function as it
will take you into a step-by-step testing procedure. For the AUTO-TEST
function proceed directly to page 17. If you are a qualified vending
machine technician, you may prefer to use the conventional method
described below.
No matter which method you choose, at the end, you will know if your
changer is working fine, needs a minor repair or must be sent to a cer-
tified service centre for a more serious problem. No matter what type
of device you are testing, you can only test ONE device at a time. Mul-
tiple-device testing works only in simulation mode. (See page 22)
Testing this type of coin changer requires you to be very careful, as
there are two types of coin changers on the market. Look at the iden-
tification label on the side of the changer to know about the proper
voltage to apply. Some changers may have lost their ID label. If it is a
15-pin plug, it means it is a 24-volt changer. If the plug is a 12-pin, it
may be either a 24 or 117-volt. Press once on START. DO NOT PRESS
on the 117 volts button yet. After a few seconds waiting, the CT3 will
conclude the changer is a 24-volt, and will then send that voltage to
the changer. If the changer really is a 24-volt, the CT3 will detect it and
enter in communication with it. If the changer is indeed a 117-volt, it
will not respond to the CT3 and thus will prompt
Cannot detect – Unit
not responding on the display. Repeat the process, by applying 117
volts after pressing on START. Unit should respond to the CT3. As a
protection, we have added a safety feature that requires you to press
the 117-volt button for at least 2 seconds before the CT3 actually
sends that voltage.
Press START/STOP to
test 24 volts or
Red button for 117
volts device
Auto-detecting...
WARNING! for 117 volts
only, hold RED button