55AttachmentsTroubleshootingBefore requesting service, check the following items. Contact your dealer if the problem does not appear here, if the problem is not resolved bythese remedies, or if you have any questions about settings and installation.ProblemsProblem Check item/remedy PagePower is not turn on.Make sure that the power plug is firmly connected to the electric outlet. -Make sure supplied power cord is firmly connected to the equipment. page 39Alarms are not activated.Check if signals are input to the alarm/control connectors and alarmconnectors on the rear panel.page 32page 36Check if the alarm connectors are correctly set. page 38The [ERROR] indicator lights orange.Temperature is too high, stop operationas soon as possible.Fan has malfunctioned and stopped.Contact your dealer. -Make sure that nothing is blocking the vents in front or the fan on the rear. page 9Internal temperature is too low or too high.Install the product within the ambient operating temperature. page 9When the [ERROR] indicator lights orange, the internal temperature may behigh.Make sure that dust has not collected on the vents.-Extension unit is not recognized.(When an extension unit is connected)Make sure that the cable provided with the extension unit is being used. page 31Make sure that the connection cable is not loose. page 31Was the extension unit turned on before the main unit?Reboot the system and turn on the extension unit first. page 39If you are using a breaker or other system to turn on the power to the entiresystem simultaneously, make sure that all the devices are connected to thesame power source.-If you are using UPS (uninterrupted power supply), connect all the devicesto the same UPS. -HDD is not recognized.The HDD status indicator does notlight.Make sure the HDD unit is firmly inserted into the disk slot. page 46Have you insert another HDD unit while the first unit was being recognized?Remove the unrecognized HDD unit and try again. page 46HDD has errors. -HDD status indicator lights, but HDD isnot recognized. Link the HDD again. page 46HDD indicator lights or blinks redMake sure that the HDD units are installed in order from HDD 1 to 9.Surely install the HDD units in order starting with HDD 1. page 46HDD has troubles in RAID5/RAID6 mode.The indicator of the first HDD with error lights, and the indicators of otherHDDs with errors blink.page 53
