POS System Symptom: Monitor blinks 

• Check  inverter cable connection
• Replace inverter cable
• Change LCD panel

Self Test Procedure

• Turn off the Printer
• Turn on the Printer while pressing the feed button.
• Printer will print out printer information and current setting values.
• Turn off the printer again and turn it on. excute the POS program, and check the printer if it properly print the items.

POS system symptom: Re-booting during system operation

• Check SATA cable connection
• Check memory status

POS system symptom: System switches off abruptly and system does not load

• Check A/C cable connection
• Check motherboard power connection
• Check CPU settings/status
• Check DRAM settings
• Check power button cable connection
• Change power adaptor unit

POS system symptom: Touch-screen doesn’t detect touch operations

• Check touch-screen cable connection
• Check motherboard and LCD cable connection
• Check BIOS set-up

POS system symptom: LCD backlight doesn’t work

• Check LCD cable connection
• Check inverter cable connection
• Replace inverter cable
• Change LCD panel

POS system symptom: MSR does not respond

• Check MSR reader cable connection
• Check motherboard and LCD cable connection
• Check MSR board cable connection