ViVOtech Inc. VP8850 사용자 설명서

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ViVOpay 8850 User Guide
 13               
Chapter 3
Troubleshooting and Maintenance
Troubleshooting
The ViVOpay 8850 readers are reliable and easy to troubleshoot. The components that may require 
troubleshooting include the power supply, the reader and the data cable.
Symptom
Possible Cause
Probable Cause and Remedy
General Issues
Reader does not appear to be 
powered on—no LEDs lit, no 
LCD display.
• Reader not powered on.
• Incorrect power supply used.
• Check cable connections.
• Verify that power is on and correct voltage and 
current are present.
• Replace the power supply.
• Verify that power cable plug is fully inserted.
• Replace the power supply.
• Replace the reader.
Reading Cards/Fobs/Phones
LEDs do not light and beeper is 
not audible when 
card/fob/phone is presented.
• Card/fob/phone not properly 
presented.
• Metal or RF interference.
• Wrong Firmware issue (contact your 
local support representative).
• Reader not powered on or incorrect 
voltage.
• Incorrect power supply used.
• Unsupported card/fob/phone used.
• Present card/fob/phone closer to the reader 
and ensure it’s parallel to the reader touch 
screen.
• Verify that the card/fob/phone is valid/current.
• Test with “ViVOcard Contactless Test Card” 
part number 241-0015-03.
• Try a different card/fob/phone.
• Verify that the unit is not near any large metal 
objects.
• Verify that correct firmware is loaded (local 
support representative only).
• Verify that power is on and correct voltage and 
current are present.
• Verify that power cable plug is fully inserted.
• Replace the reader.
Some cards/fobs/phones read, 
but not all.
• Wrong firmware (contact your local 
support representative).
• Possible bad card/fob/phone.
• Unsupported card used.
• Verify that correct firmware is loaded on 
reader (local support representative only).
• Check to see if card/fob/phone is damaged.
• Try a different card/fob/phone.
On power-up, display sticks on 
firmware version.
SAM card isn’t seated properly.
Remove power from unit, remove back cover and 
reseat SAM card. If unsure, contact ViVOtech 
Support for assistance.