Lenovo NeXtScale n1200 Installation And Service Manual page 120

1. Make sure PSU power cord is properly plugged in. Check if AC power is stable.
• 96 : PS6_Throttle_Assert
Power supply is having over-current condition.
Severity
Critical
Serviceable
Automatically notify support
User Response
Complete the following steps:
1. Make sure PSU power cord is properly plugged in.
2. Un-install node one by one to identify if any of the node is causing the OC condition.
3. If Throttle is still asserted when all nodes are removed from chassis, do the following: Unplug
power supplies power cord and removed all power supplies from chassis. Plug power cord back
into power supply while power supply is outside of chassis. If PSU orange LED is turned off
under this circumstance, replace mid-plane. If LED is still lit, replace PSU.
• 97 : PS6_AC_Lo_Line
Power supply is connected to 110v AC.
Severity
Info
Serviceable
Automatically notify support
User Response
1. No user action needed.
• 98 : PS6_OT_Warning
Power supply internal temperature has reached warning threshold. Over temperature fault is possibiliy to
occur if condition not relieved.
Severity
Warning
Serviceable
Automatically notify support
User Response
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.
• 99 : PS6_No_Present
Power supply was removed from chassis.
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Lenovo NeXtScale n1200 Enclosure Installation and Service Guide