During the transaction, when customer intercats with the device (entering PIN, confirming amount or doing signature), displays going blank and communication with the device cannot be established until it is rebooted. The device has power because there is a light comming from the display.
Check the power adapter, sometimes they get hot and they don't supply enough power to the pin pad. Also make sure that the power cable is not loose, twisted or broken, this can also contribute to the problem.
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This seems like a software issue. Most of these systems have a back of the house system that was installed by a company. There are a lot of settings and debug issues that a developer can look at. Your best bet is contacting the company that put these in and letting them know about your issues.
If this is not an option, try power cycling the devices.
Unplug them for about 30 seconds and plug them back in.
Answer: 1. Insert your ATM card into the slot with the holes pointing down 2. The auto teller will ask you to enter your PIN code. 3. Press and hold keys 1 and 2 until the screen reads, "Reset PIN." 4. Enter a new four-digit PIN code, and then press the "e" key. 5. Enter your new PIN code again to confirm. Press the "e" key. 6. The ATM Safe will restart.
When you first setup your bank account, you would have entered your bank account details. I am not sure if this is same process as they do with credit cards, but they deposit a very small amount money to your account and then withdaw that same amount. Then you are asked to confirm this amount in order to activate your account. This then proves that you are the account holder.
Your primary account with Paypal is always a credit card and the seconday account can be another credit card or a bank account.
Hope this helps.
Paypals phone number is 1800-073-263 and they are based in Sydney NSW.
This should be a local call cost.
Pin Unlock Code (PUK) If you miss key (or forget) your SIM pin code, and enter the wrong one 3-5 times in a row, the SIM will lock up, and you’ll need to enter the PUK unlock code to release it. You should ask your Network Service Provider for this code when you need it. Don’t try to guess it, because after a few wrong guesses, the SIM card will be permanently disabled.
Complete information : The SIM card protects
your subscription and not the phone from unauthorised users. If you
change SIM cards you can still use your phone with a new SIM card. Most
SIM cards are blocked at the time of purchase. If your SIM card lock is
on you have to enter your PIN (Personal Identity Card) every time you turn on the phone.
If you enter the wrong password three times in a row the SIM card gets blocked. This is indicated by the message PIN Blocked To unblock this you need to enter your PUK
card (Personal Unblocking Key). Your PIN and PUK
is supplied by your service provider. You can edit your PIN and select
a new four to eight digit number
If the Message Codes do not match appears when you edit your PIN you entered the new PIN incorrectly.
If the message Wrong PIN followed by Old PIN appears then it means that you have entered the old PIN incorrectly.
To unblock your SIM card:
When PIN Blocked appears enter your PUK > OK
Enter a new four to eight PIN > OK
Re-enter the new PIN to confirm > OK
To edit your PIN:
> Settings > the General tab > Security > Locks > SIM Protection > Change PIN
Enter your PIN > OK
Enter a new four to eight digit PIN to confirm > OK
To turn the SIM card On /Off
> Settings > the General tab > Security > Locks > SIM Protection > Protection and select On or Off