41
CHAPTER 4
LOCATING THE PROBLEM
Refer to this section to locate the problem with the machine. The following topics are described.
•
General checkout guidelines on the page 41
•
Cash drawer checkout on the page 41
•
LCD symptoms on the page 42
•
Touch screen symptoms on the page 43
•
Power symptoms on the page 43
•
Network symptoms on the page 43
•
USB symptoms on the page 44
•
Peripheral-device symptoms on the page 44
•
Boot symptoms on the page 44
•
Mainboard jumper on the page 45
•
Mainboard connectors on the page 46
•
Inverter connectors on the page 46
General checkout guidelines
Use the following procedure to troubleshoot problems:
•
Identify as many symptoms as possible in detail.
•
Verify symptoms by recreating them.
•
Follow the corrective procedures in order.
•
If you replace an FRU and the symptom remains, reinstall the original FRU before going to the next step.
Do not replace non-defective FRUs.
Cash drawer checkout
Refer to the following to check for a cash drawer problem.
1. Connect the RJ-11 cable from the cash drawer to the RJ-11 connector on the machine as shown in Figure
4.1.
The cash drawer RJ-11 connector is DC+24V. Ensure the cash drawer
to be connected matches this power specification.
IMPORTANT
Содержание WT-100
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