C I S C O C O N F I D E N T I A L - D r a f t A 1
3-4
Cisco Aironet 1250 Series Access Point Hardware Installation Guide
OL-8247-02
Chapter 3 Troubleshooting 1250 Series Autonomous Access Points
Checking the Power Injector LEDs
Checking the Power Injector LEDs
The power injector (model:AIR-PWRINJ4) has three LEDs on the top end of the case (see
).
Figure 3-2
Power Injector LEDs
Boot loader errors
Red
Red
Red
DRAM memory test failure.
Off
Blinking red
and blue
Red
Flash file system failure.
Off
Alternating red
and green
Amber
Environment variable (ENVAR) failure.
Amber
Rapid blinking
red
Off
Bad MAC address.
Red
Blinking red
and off
Off
Ethernet failure during image recovery.
Amber
Blinking red
and off
Amber
Boot environment error.
Red
Blinking red
and off
Amber
No Cisco IOS image file.
Amber
Blinking red
and off
Amber
Boot failure.
Cisco IOS errors
Blinking amber —
—
Transmit or receive Ethernet errors.
—
—
Blinking amber Maximum retries or buffer full occurred on the
radio.
Red
Off
Red
Software failure; try disconnecting and
reconnecting unit power.
—
Cycle through
blue, green,
red, and off
—
General warning, insufficient inline power (see
the
“Low Power Condition on Autonomous
section).
Table 3-1
Autonomous Access Point LED Signals (continued)
Message type
Ethernet LED
Status LED
Radio LED
Meaning
AP POWER
FAULT
AC POWER
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