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78 : PS4_OT_Warning


Power supply internal temperature has reached warning threshold. Over temperature fault is possibiliy to occur if condition not relieved.



User Action

Complete the following steps:

  1. Make sure that there is no obstrcution blocking power supplies and system fans' air way.
  2. Make sure that power supplies does not have any fault condition.
  3. Make sure that room temperature is maintained at required level.
  4. Make sure that all fan modules are installed and operating properly.
  5. Make sure that power supplies fans are running with higher speed than system fan.
  6. If condition presists after above inspection, reseat power supply.
  7. If OT warning continues to present after power supply reseat, replace power supply.