Lenovo NeXtScale n1200 Installation And Service Manual page 108

Serviceable
Automatically notify support
User Response
Complete the following steps:
1. Check PSU power cord, reseat PSU.
2. If PSU Thermal Fault is still asserted, replace PSU.
• 52 : PS2_12V_OV_Fault
Power supply is having 12V power Over-Voltage condition
Severity
Critical
Serviceable
Automatically notify support
User Response
Complete the following steps:
1. Check if PSU power cord is plugged.
2. Reseat components in the following order, continue down the list if OV fault is not de-asserted:
Power supply, Mid-plane, All Nodes.
3. If PSU 12V OV Fault is still asserted, replace PSU.
• 53 : PS2_12V_UV_Fault
Power supply is having 12V power Under-Voltage condition.
Severity
Critical
Serviceable
Automatically notify support
User Response
Complete the following steps:
1. Check if PSU power cord is plugged.
2. Reseat components in the following order, continue down the list if OV fault is not de-asserted:
Power supply, Mid-plane, All Nodes.
3. If PSU 12V UV Fault is still asserted, replace PSU.
• 54 : PS2_12V_AUX_Fault
Power supply is having faulty condition in providing 12V AUX power.
Severity
Critical
Serviceable
Automatically notify support
User Response
Complete the following steps:
1. Check if PSU power cord is plugged.
2. Reseat components in the following order, continue down the list if OV fault is not de-asserted:
Power supply, Mid-plane, All Nodes.
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Lenovo NeXtScale n1200 Enclosure Installation and Service Guide