Bug ID 673241: Platform AC power supply faults when subjected to temperature above 50C (122F) at low input voltage.

Last Modified: Dec 20, 2018

Bug Tracker

Affected Product:  See more info
BIG-IP All(all modules)

Known Affected Versions:
12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2, 12.1.2, 12.1.2 HF1, 12.1.2 HF2, 12.1.3, 12.1.3.1, 12.1.3.2, 12.1.3.3, 12.1.3.4, 12.1.3.5, 12.1.3.6, 12.1.3.7, 12.1.4

Opened: Jul 08, 2017
Severity: 3-Major

Symptoms

BIG-IP i15600, i15800 appliances utilizing a single 1500W AC power supply (PWR-0341-XX) shut down and trigger a fault.

Impact

The power supply shuts down to protect itself. This results in appliance shutdown.

Conditions

This occurs when all of the following conditions are met: -- PWR-0341-XX Single Supply. -- input voltage is less than or equal to 100VAC. -- System is is drawing maximum power (greater than 1000W). -- Inlet temperature of the power supply is greater than 50C (122F).

Workaround

You can avoid this issue by doing any of the following: -- Installing two PSUs in the unit. -- Ensuring that input voltage is above 100VAC. -- Operating the system at a temperature lower than 50C (122F).

Fix Information

None

Behavior Change