240 The ambient temperature threshold for the uninterruptible power supply has been exceeded.

Explanation

The 2145 UPS shows a red warning light, and an alarm sounds. The 2145 UPS switches to bypass mode to lower the temperature.

Action

  1. Turn off the 2145 UPS and unplug it from the power source.
  2. Clear the vents and remove any heat sources.
  3. Ensure that the air flow around the 2145 UPS is not restricted.
  4. Wait at least five minutes, and then restart the 2145 UPS.
  5. If the problem remains, exchange, in the sequence shown, the FRUs for new FRUs. (See "Possible Cause-FRUs or other.")

Possible Cause-FRUs or other:

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