2-23CPU Module Status LEDs 1/2The CPU module has two LEDs.Combined, the two LEDs show the status of CPU modules:See “NAMES AND FUNCTIONS OF COMPONENTS” (page 2-6) for the locations of LEDs.CPU#1 CPU#2StatusLED1StatusLED2StatusLED1StatusLED2Description ActionOff Green Off Green The CPU moduleoperates normally induplex mode. -Off Amber Red Off The CPU module 2 ison standby (The CPUmodule 2 has not beenpowered on yet.)The CPU module 1operates in simplexmode.Start the CPU module 2 from ftserver utility (See Chapter 5).Remount the CPU module 2.If the problem persists, contactyour sales agent.Red Off Off Amber The CPU module 1 ison standby (The CPUmodule 1 has not beenpowered on yet.)The CPU module 2operates in simplexmode.Start the CPU module 1 from ftserver utility (See Chapter 5).Remount the CPU module 1.If the problem persists, contactyour sales agent.Off Amber Red Green The CPU module 2 isperforming diagnosis(Diag).The CPU module 1operates in simplexmode.Wait for the CPU module 2 tostart. When the CPU module 2starts and duplex mode isestablished, the indications willreturn to normal.Red Green Off Amber The CPU module 1 isperforming diagnosis(Diag).The CPU module 2operates in simplexmode.Wait for the CPU module 1 tostart. When the CPU module 1starts and duplex mode isestablished, the indications willreturn to normal.Off Off Off Amber AC power is notsupplied to the CPUmodule 1. The CPUmodule 2 operates insimplex mode.Check if the power cord isconnected correctly.Check the condition of breakerand UPS.Check if the power unit isconnected correctly.Remount the CPU module 1.If the problem persists, contactyour sales agent.