Q-Logic SB2A-16B, QLA2342 Over Temperature LED Amber, Fan Fail LED Amber, 3. Chassis LEDs

0	2 – General Description
	Chassis Controls and LEDs

3.Press and hold the Maintenance button with a pointed, then place one of the power supply switches in the On position. You can release the Maintenance button after the Input Power LED illuminates. When the switch is in maintenance mode, the Heartbeat LED illuminates continuously. Refer to ”Chassis LEDs” on page 2-3for information about the Input Power LED and the Heartbeat LED.

To return to normal operation, power cycle the switch.

2.1.3

Chassis LEDs

The chassis LEDs shown in Figure 2-3provide status information about switch operation. Refer to ”Port LEDs” on page 2-5for information about port LEDs. Refer to ”Power Supplies” on page 2-9for information about power supply LEDs.

Over Temperature LED	Fan Fail LED	Heartbeat LED	Input Power LED
(Amber)	(Amber)	(Amber)	(Green)

Figure 2-3. Chassis LEDs

2.1.3.1

Over Temperature LED (Amber)

The Over Temperature LED provides status information about the air temperature inside the switch. This LED illuminates to indicate that the switch logic circuitry is overheating. Refer to Section 5 Diagnostics/Troubleshooting for information about troubleshooting over temperature conditions.

2.1.3.2

Fan Fail LED (Amber)

The Fan Fail LED indicates operational status of all fans. This LED illuminates if the speed of any fan falls below the normal range. Removing a fan will not illuminate the Fan Fail LED. Refer to Section 5 Diagnostics/Troubleshooting for information about troubleshooting fan failure conditions.

59021-09 A 2-3