Galaxy Metal Gear 65 - Manual (Page 83)

Galaxy 65 Troubleshooting
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7.4.1 System Faults
7.4.2 Power Supply/Cooling Faults
Symptom Cause Action
1 The SYSTEM LED will
illuminate AMBER on
the LRC
2 Audible Alarm sound
The ESI processor
has detected an
internal fault (e.g.
failure of an
internal
communications
path) 1 Check for other AMBER LED indications on the
Power Supply/Cooling modules. If there is a
PSU error present there may be a
communications problem with that Power
Supply/Cooling module. Remove and then re-fit
the module, if the problem persists then change
the module.
2 Check for other AMBER LED indications on the
drives carriers. If none are evident then there
may either be an ESI processor problem or a
Backplane problem.
3 Change the Ops Panel module (see 7.12.2 ).
Symptom Cause Action
1 Ops Panel
FAULTLED AMBER
2 An AMBER LED on
one or more Power
Supply/Cooling
Modules.
3 Audible Alarm
Sounding.
1 Any power
fault.
2 A fan failure.
3 A thermal
condition
which could
cause PSU
overheating.
1 Check Power On/Off Switch on rear of Power
Supply/Cooling module is switched ON.(not
accessible on later models)
2 Check AC Mains Connections to Power Supply/
Cooling module is live.
3 Disconnect the Power Supply/Cooling module
from mains power and remove the module from
the system, Re-install: if problem persists,
replace Power Supply/Cooling Module.
4 Reduce the ambient temperature.