Honeywell MSU0402 Manual page 25

Mass storage units operation
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TableA-9(Cont}. Ma'ssStorageProcessor
Controls and Indicators
Push Button/Indicator
POWER ON
POWER OFF
NORMAUTEST
READY/TROUBLE
OVER TEMP/
ALARM RESET
Mass St.orage Processors
Function
Pressing this button when ac power is on (AC BREAKER ON indicator
lit) turns the cabinet dc power on. The POWER ON indicator lights
yellow and the POWER OFF indicator goes out.
Pressing this button when dc power is on turns the dc power off. The
POWER OFF indicator lights green and the POWER ON indicator goes
out.
This split-field indicator identifies the state (green
=
NORMAL,
yellow
=
TEST) of the MAINT PANEL MODE NORMAUTEST switch
located on the TEST area of the maintenance panel. The switch must be
in the NORMAL state for online operation.
Note: The maintenance panel is concealed behind the cover sur-
rounding the operator panel. If the switch is in the TEST position,
the operator may open the cover and reset the switch to
NORMAL.
This split-field indicator identifies the operational state
(green
=
READY, red
=
TROUBLE) ofthe control/processor.
Note: The trouble state exists when the HALTED indicator is
on or when the OPERATIONAL MODE OFFLINE/ONLINE
switch located on the test area of the maintenance panel is set to
OFFLINE. Ifthe HALTED indicator is on, the operator may
attempt to set the control/processor to the READY state by using
the START switch. If it does not leave the HALTED state, open
the maintenance panel cover and check and reset the
OFFLINE/ONLINE switch to ONLINE ifneeded. If the trouble
persists, the operator should notify Honeywell Customer
Services.
This spli t-field push button/indicator lights red in the OVER TEMP
field and white in the ALARM RESET field. The cabinet audible alarm
sounds ifthe cabinet gets too warm. Pressing the switch turns offboth
the audible alarm and the white ALARM RESET indicator. The
operator should press the POWER OFF switch and wait for the cabinet
to cool before switching power back on. If the overtemperature condi-
tion continues, notify Honeywell Customer Services.
A-lO
AT7l-03

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