Compaq StorageWorks UltraSCSI RAID Enclosure (DS-BA370 Series) User's Guide (EK-BA370-UG. C02, September 1998)

Environmental Monitoring Unit
3–16 UltraSCSI RAID Enclosure
• The error condition still exists after 1 hour has passed. This
situation causes the audible alarm to continue sounding once
every hour for approximately 5 seconds.
To clear all the fault code displays, press and hold the alarm control
switch for at least 5 seconds.
Note
The alarm control switch does not affect either the error
condition or the error condition code stored by the EMU.
The only way to clear a stored error condition code is to
correct the problem.
If the enclosure is in standby power mode, the alarm control switch
functions as an enclosure power switch. Press the alarm control
switch on each enclosure to restore dc power to the enclosure.
EMU Status LEDs
Table 3–5 shows the three indications possible for EMU status LEDs.
If an LED’s blinking or flashing interval is more than 1 second, the
LED is considered O
N.
Table 3–5 Subsystem Status LEDs Displays
Symbol Condition
LED is O
FF
.
LED is F
LASHING
(blinking rapidly—blinks more than
once per second).
LED is O
N
or blinking slowly (blinks less than once per
second).