| Bill Validators, Currency Acceptors and Printers > JCM DBV-45, DBV-145, and DBV-200 Bill Validators |
| DBV-200 Spins Gears Backwards in Test Mode….?.?.? |
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| Jim:
the bill unit is a unit unto it self, it has its own power supply, head and transport unit and cash can and frame and its own software. it only gets 110vac from the machine to power its own power supply, and it only communicates with the machine through the power supply I/O board. the machine does have to be configured correctly in order to communicate . when power is applied to the machine, the bill unit typically operates in this fashion, if the power supply is good, there will red LEDS on and visible on the left side of the head above the two plugs, the unit will preform two operation, it will cycle the cash can ( a heavy meshing noise and some vibration if the frame has not been modified to the "V" opening), then a softer quieter meshing from the head and transport, then the unit will be ready to accept money. the cash can has a hole in its side that when the stacker pusher is at the home rest position, that hole is blocked from side to side and blocks an infra-red beam, this info is sent to the the transport via the four pin connector on the front right side of the transport unit. on a normally working unit, you can pull out the cash can and the unit will immediately start to cycle trying the reset the cash can because now the beam is not blocked and the unit knows the cash can is missing or jammed in cycle, typically after 10 tries the unit will stop and disable itself, the rest of the machine can be used, but not the bill unit. you either have a bad connection at the four pin connection (see this all the time, one of the pins gets bent and does not make) or the optics are bad, or the cash can does not cycle. as for your test 6 , the proper way to do this, all switches on the second bank of six switches should be up, then place switch 6 down, then apply power , then flip 6 up, unit should cycle briefly, now you should be able to feed bills into the unit , if the unit is working it will take them in and pass them through the unit and send them out the back. this test is preformed using the units power supply, you do not use the transport for this test, sometimes when you flip the unit after flipping switch 6, the unit will take itself out of the test mode,due to the connectivity of the power connector, be aware of this. watch while you flip, you may see the leds go out momentarily, this indicates you have to start over. this only tests the head, you can somewhat determine what bills the unit will accept from this test, kinda gives you an idea of what software is in the unit, based on your picture, you do not have the most recent software. Hope this helps Jim |
| 850mph:
Thanks for above advice…. Very helpful as it prompted me to look at start up procedure. Since the stacker functions normally in the “Carrier and Storage Test” test mode (Bank 1/4, Bank 2/6 on/off), and I can in fact insert a bill and it moves through head into stacker, and finally into the cash box (but acceptor spins backward in “Bill Acceptor Test Mode” ie: bank 2, dip 6 on/off)…. I’m thinking the problem is specifically located in the head. If we can believe the flow chart below…. I don’t think the start up procedure ever gets to testing the stacker and cash box when in normal operation or “test mode tests” which require recognition of a bill….. start up is aborted during the “validator”portion of the start up procedure. I’ve come to the conclusion that the validator is aborting normal start up (and test mode which involve head sensors) when it comes across an “unexpected sensor error”… and moves to immediately eject a non-existent bill. It cycles 10 times backward/eject before aborting… so I’m thinking one of the head sensors is stuck “open/on” right at start up. PLEASE see diagram from DBV-145 below: Is there any way to test INDIVIDUAL sensors on the head without a JCM test unit? I have done it on WBA units.. but it does not look possible on the DBVs. Thnx. |
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