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Updated May 20, 2008
Chapter 3. Problem determination
Note: Refer to IBM Safety Information - Read This First, GA27-4004, before
Either software errors or hardware failures can cause problems with the 4810
SurePOS 300. This chapter contains information to help you begin troubleshooting
a problem. For detailed troubleshooting, a diagnostic package is available on the
Retail Store Solutions Web site.
Preliminary checklist
Begin each service call by checking all of the items in this preliminary checklist. If,
after performing all the steps, a problem still exists, refer to Table 3-1 to continue
problem determination.
1. Observe the power light. If it is not on, refer to Table 3-1.
2. Verify that the cables are securely and correctly connected.
3. Verify that the I/O devices, which have their own power switches, are connected
4. Verify that the contrast and brightness controls on the video display (if attached)
5. Verify that all installed hardware devices (such as a memory module, feature
© Copyright IBM Corp. 2005, 2007
beginning the procedures in this chapter.
to an ac power outlet that is operating correctly and that the devices are
powered on.
are set correctly.
card, printer, or mouse) are connected correctly and securely.
Table 3-1. 4810 symptoms
Symptom
The power LED is off.
Terminal is not operating.
Power on, LED does not light.
Actions
1. Verify that the power cord is plugged into both the
wall outlet and the back of the terminal.
2. Verify that the terminal is powered on.
3. Verify that the outlet has power.
4. Disconnect all attached devices and feature cards
to determine if one is overloading the power
supply. If the power light returns, reconnect them
one at a time to determine the unit causing the
failure.
5. Ensure that all internal cabling and memory
modules are correctly inserted.
6. Exchange the power supply.
7. Exchange the system board.
1. Unplug the power outlet, wait 5 seconds, and then
power ON. Verify that the power light on the front
panel is on. Look for any error messages and
listen for a beep at the completion of the POST.
2. Check for a blown fuse, a tripped circuit breaker,
or a power failure.
3. Verify that all cables are securely connected to
and inside of the terminal.
1. Replace the LED assembly cables.
2. Replace the LED assembly.
3. Replace the planar.
3-1
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