
Troubleshooting and Problem Solving
DataDirect Networks EF2800 FC RAID Storage System User Guide (V 1.0)
149
10.4.2 Power Supply/Cooling Faults
Symptom Cause Action
1. Ops panel
FAULT LED turns
amber.
2. An amber LED
on one or more
power supply/
cooling modules.
3. Audible alarm is
activated.
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
turned 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
AC power and remove the
module from the system. Re-
install: if problem persists,
replace power supply/
cooling module.
4. Reduce the ambient
temperature.
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