Lenovo ThinkSystem SR860 V2 Maintenance Manual page 298

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ThinkSystem SR860 V2 Maintenance Manual
290
The power supply is in zero
output mode (standby).
When the total power
consumption is low, only
one of the power supplies
Off
delivers the entire power,
while the other is put into
this mode.
Faulty power supply.
On
The system is off: The
system is connected to
power.
The system is on: Power
Off
supply not fully seated,
faulty standard I/O book, or
faulty power supply.
Faulty power supply.
On
Faulty power supply.
On
Zero output advanced mode
is on by default, and the
standby power supply unit will
function normally when power
consumption increases. To
disable zero output mode,
choose F1 -> System
Settings -> Power -> Zero
Output -> Disable.
Replace the power supply.
1. Reseat the power supply
unit.
2. Replace the power
supply unit.
1. Reseat the power supply
unit.
2. Replace the power
supply unit.
3. Replace the standard I/O
book.
Replace the power supply.
Replace the power supply.
PSU should be
ON initially when
AC input is
ready.
It usually
indicates the
power supply is
not fully seated.