No relevant resource is found in the selected language.

This site uses cookies. By continuing to browse the site you are agreeing to our use of cookies. Read our privacy policy>

Reminder

To have a better experience, please upgrade your IE browser.

upgrade
MENU

Fan Alarm Indicators on NE40E-X16 Became On Because Not All PEMs Were Used

Publication Date:  2013-10-08 Views:  7 Downloads:  0
Issue Description
After an NE40E-X16 was powered on, the alarm indicators for its four fans became on.
Handling Process

1. Replaced one fan module, its alarm indicator was still on.

2. Checked fan configurations. The fans monitored their PEMs. It was suspected that the problem occurred because not all PEMs were used. After all PEMs were powered, the indicators become off.
Root Cause
NE40E-X uses area-based power supplies. Each area has a fan. When not all PEMs were powered, the fan alarm indicators became on.
Solution
Powered all PEMs.
Suggestions
None

END