VeriFone QX700CTLS ユーザーズマニュアル

R

EV

IS

IO

N

 A

.10

 

QX700 I

NSTALLATION

 G

UIDE

This chapter lists possible malfunctions that may occur while operating a QX700 
device and the appropriate corrective action. if the problem persists - even after 
performing the outlined guidelines, or if the problem is not described, contact your 
local VeriFone representative for assistance.

If a contactless transaction fails to process:

Perform a test transaction using one or more different contactless cards to 
ensure the problem is not a defective card.

Ensure that you are conducting the contactless transaction properly (see 

Ensure that all cables and external power connections are connected properly 
to the contactless unit, and all external devices (see 

If the problem persists, contact your local VeriFone representative.

The unit comes equipped with tamper-evident labels. The reader contains no 

user-serviceable parts. Do not, under any circumstance, attempt to disassemble 
the unit. Perform only those adjustments or repairs specified in this guide. For all 
other services, contact your local VeriFone service provider. Service conducted 
by parties other than authorized VeriFone representatives may void any warranty.

Not all units require use of a power supply.

Using an incorrectly rated power supply may damage the unit or cause it not to 

work properly. Before troubleshooting, ensure that the power supply used to 
power the unit matches the requirements specified on the back of the unit (see 

 for detailed power supply specifications). If not, obtain the 

appropriately rated power supply before continuing with troubleshooting.