Adaptec 1966600 User Guide - Page 95
Audible Alarm, If the Fault LED and a Controller Status LED light up
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Monitoring the DuraStor Storage Subsystem If the Fault LED and a Controller Status LED light up simultaneously, there is a fault condition on that controller. Audible Alarm An audible alarm sounds when the Fault LED lights up, or when the RAID appliance's temperature or voltage enters warning or shutdown range. You can silence the alarm by touching any button on the OCP. The temperature and voltage thresholds for each alarm are shown in Table 4-2. Table 4-2. RAID appliance Alarm Thresholds and Response Information Alarm Threshold CPU temperature: s Warning-0 °C to 5 °C and 65 °C to 70 °C s Shutdown-0 °C and 70 °C, 70 °C Onboard temperature: s Warning-0 °C to 5 °C and 45 °C to 50 °C s Shutdown-0 °C and 50 °C, 50 °C VCC Voltage: s Warning-5 V -3.5% and +6.5% s Shutdown-5 V -6.5% and +10% 12V Voltage: s Warning-12 V -8% and +8% s Shutdown-12 V -10% and +10% What to Do When the Alarm Sounds Check your system monitor to see what the alarm means. Check the ambient temperature and lower it if needed. (Ambient temperature should be less than 45 °C.) Same as for the CPU temperature. Check your system monitor to see what the alarm means. If it is a warning alarm, let the controller continue to operate. If it is a shutdown alarm, turn off the power to the controller, remove it, and send it for service. Same as for VCC voltage. 4-3