Lenovo Secure Managed Client - Manual (Page 59)

Table 6. Light and buzzer interpretations (continued)
LED/buzzer State Related Meaning Action
Fast blink (alternating
every half second)
Faster beep (1.5
seconds beep, 0.5
seconds silence). No
fan light constant.No
beep if muted.
Critical state - usually
temperature near
edge of operating
range
Measure ambient
temperature and
increase if too cold or
decrease if too hot. If
failure is still present,
check for a failing fan
that also has a broken
light.
Faster beep, more
than one fan light on
or a single PSU fan
light on. No beep if
muted.
Fans broken or out of
tolerance.
Replace fans
immediately.
Constant on Constant - no fan
lights are on constant
Failure state -
temperature in range
where damage could
occur
Measure ambient
temperature and
increase if too cold or
decrease if too hot. If
failure is still present,
check for a failing fan
that also has a broken
light.
Constant - multiple
fan lights are on
constant
Fans broken or out of
tolerance
Replace fans
immediately. Decrease
ambient temperature
Fan light Constant on Varying levels of
beep and chassis fault
light setting. No beep
if muted.
Fan broken or out of
tolerance.
Replace fans
immediately.
Drive light (amber) Constant on Varying levels of
beep and chassis fault
- usually slow beep
and slow flash. No
beep if muted.
Drive faulty Replace drive
Front operator's panel
ID LED
Flashing Ops panel ident on
Buzzer Off Front operator's panel
fault LED off
No issues
Off Front operator's panel
fault LED flashing or
constant
Muted
Intermittent short
beep (0.5 second beep
every 32 seconds)
Various front
operator's panel fault
light flash states
Fault has occurred
and system is muted
but in remind mode
Check fault status
using operator's panel
fault LED settings
and remedy.
Slow beep (half
second beep every 8
seconds)
Front operator's panel
fault LED slow blink
(0.5 seconds on, 3.5
seconds off)
Warning mode
Faster beep (1.5
seconds beep, 0.5
second silence)
Front operator's panel
fault LED fast blink
(alternating every half
second)
Critical mode
Chapter 7. Troubleshooting and problem solving 53