Common System Attention Leds And System Reference Codes - IBM Power 720 Express 8202-E4B Installation Manual

Common system attention LEDs and system reference codes

Learn more about how to recover from common installation problems.
Read the following information to learn more about how to recover from common installation problems.
The following table describes LED status behaviors and describes the meaning of each behavior.
Table 9. Common installation system attention LEDs:
Front power
status LED
(green) ac in (green)
Flashing On
Flashing Off
Off Off
One power On
supply's LED is
off, the second
power supply's
LED is flashing
Flashing On
The following table describes system reference codes that you might encounter during installation.
Table 10. Common installation system reference codes (SRCs):
System reference code Error description
1000xxx ac input and power supply
connections
1100xxx
509Axxx
509Dxxx
50A4xxx
50ADxxx
50B1xxx
SPECIAL VOLTAGE Your voltages don't match
MISMATCH REF
CODE
Starts with 27xxx, Fiber channel port failure
28xx, 57xxx
and ends with
xxxx3120, xxxx3121
© Copyright IBM Corp. 2010, 2011
dc out (green) Fault (yellow)
On Off
Flashing Off
Off Off
Off or flashing On
On On
Recovery steps
1. Verify that line cords are plugged in correctly in the
following locations:
v drawer
v power distribution unit (PDU) (if applicable)
v battery backup unit (BBU) (if applicable)
v input source power receptacle
v
2. Verify that the Power Supplies are fully seated and
latched into position.
Make sure you are using 220 volts
These errors are often caused by ports that are not used.
Every port must have a cable or wrap plug installed.
Whenever a cable is not installed, ensure a wrap plug is
installed for each unused port. Wrap plugs are shipped
automatically when a fiber channel feature code is
ordered.
Description
Power is being supplied to the system.
Power is not being supplied to one of
the power supplies, but power is being
supplied to the second power supply.
Power is not being supplied to either
power supply.
Power is being applied, but the power
supply is not functioning properly.
110 volts are being applied. This system
requires 220 volts.
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