IES4005M User’s Guide 213
CHAPTER 28
Hardware Troubleshooting
This chapter offers some suggestions to solve problems you might encounter. The potential
problems are divided into the following categories.
28.1 Power, Hardware Connections, and LEDs
The IES does not turn on. None of the LEDs turn on.
Make sure the IES is properly installed in the slot and the system power is properly connected and
turned on.
Refer to the directions and safety warnings on installing the MSC
(Section 8.3.1 on page 61) and power connections (Chapter 5 on page
39).
The ALM LED is on.
An alarm has been detected. Examples of an alarm on the IES are when the IES’s voltage or
temperature is outside of the normal range.
Check the logs to see the cause of the alarm. Take appropriate measures to remove the cause of
the alarm. For example, you may need to change the fan module if the fans are not operating
normally.
One of the LEDs does not behave as expected.
1 Make sure you understand the normal behavior of the LED. See Section 6.4 on page 44.
2 Check the hardware connections. See Chapter 8 on page 59.
3 Inspect your cables for damage. Replace any damaged cables.
4 If the problem continues, contact your vendor.
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