LaCie 12big Rack Fibre 8 Manual do Utilizador descarregar pdf (Página 13)

LaCie 12big Rack Fibre 8 System Overview

User Manual page 13

If the power supply component of the power cooling module fails,

leave the faulty PCM installed but remove the power cord. The dual

cooling fan component of the module will continue to receive power

from the enclosure and will continue to provide proper cooling. If

the fan component fails, both fans are not operating (loss of air-

ﬂow), then replace the PCM. If a replacement is not immediately

available, install a PCM Blank module. In either case, replace the

defective power cooling module with a known good module as soon

as practical. If no blank module is available, then leave the defective

module in place until a replacement is available. It is recommended

that the replacement occur within 24 hours.

Voltage operating ranges are nominally 115V or 230V and are se-

lected automatically.

Four LEDs mounted on the rear panel of the Power Cooling Module

(Fig. 07) indicate the status of the module.

IMPORTANT INFO: Do not remove a faulty PCM unless you have

a replacement of the correct type ready for installation. PCM module

replacement should only take a few minutes to perform, but must

be completed within 10 minutes from removal of the failed PCM to

prevent overheating.

The following table describes the PCM LEDs and their meaning.

Table 02 - Power Cooling Module LEDs

PCM OK

(Green)

AC Fault

(Amber)

Fan Fail

(Amber)

AC Fail

(Amber)

Status

OFF OFF OFF OFF No AC power source is being supplied to either PCM.

OFF ON OFF ON No AC power source is being supplied to the PCM.

The power cord is attached to the power source, but the PCM switch is in the

OFF position.

ON OFF OFF OFF AC power source is present; the power supply is on and operating normally.

OFF OFF ON ON PCM fan failed.

OFF ON ON ON PCM fault (over amp, over voltage, or over current).

FLASHING OFF OFF OFF Standby mode.

OFF FLASHING FLASHING FLASHING PCM ﬁrmware in update state.

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 86 87

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