7–Removal and ReplacementPower and Cooling ModulesISR651101-00 C 7-11Removing the Failed PCMTo remove a failed PCM from the iSR6200 chassis:1. Locate the failed PCM unit on the back side of the iSR6200 chassis. A failedPCM unit shows an amber color status LED.Figure 7-9 shows the back side of two PCMs installed in a chassisconfigured with two iSR6200 chassis blades. The PCM on the left sideshows its fault indicator in amber, which indicates a FAULT status. The PCMon the right side shows its fault indicator in green, which indicates a GOODstatus.Figure 7-9 Back Side of Two PCMs with Fault (left) and Good (right) StatusIndicators2. Check the second (GOOD) PCM to make sure it is ready to support storageconnectivity while you’re replacing the failed PCM unit. Make sure thesecond PCM’s power cable is connected to the cable with the other endplugged into a live power source and that it shows a green status LED.3. Remove the power cable from the failed PCM unit. The LED remains ambereven after the removing the power cable.4. Release the chassis latch on the left side of the unplugged PCM. As shownin Figure 7-10, pull down on the lever to unseat the PCM (1), and thenremove the PCM by pulling straight back on the handle (2).CAUTION!Failure to verify the functionality of the second PCM can result in losthost storage connectivity.
